:root {
    color-scheme: light;
    --ink: #14203d;
    --muted: #5c6b83;
    --paper: #f2f5fa;
    --panel: #ffffff;
    --line: #d9e1ed;
    --accent: #3157d5;
    --accent-dark: #1c347f;
    --accent-bright: #10a79e;
    --accent-soft: #edf1ff;
    --warm: #ffbd66;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
    margin: 0;
    overflow-x: hidden;
    color: var(--ink);
    background:
        radial-gradient(circle at 12% -8%, rgba(49, 87, 213, .09), transparent 26rem),
        var(--paper);
}

a { color: var(--accent-dark); }

.site-header,
footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
}

.site-header { min-height: 5.25rem; position: relative; z-index: 5; }
.site-header nav, .site-header form, footer nav { display: inline-flex; gap: 1rem; }
.site-header nav { align-items: center; }
.site-navigation { display: flex; align-items: center; justify-content: flex-end; gap: 1.4rem; }
.site-navigation a { font-size: .88rem; font-weight: 700; text-decoration: none; }
.account-navigation { padding-left: 1.25rem; border-left: 1px solid var(--line); }

.brand {
    display: inline-flex;
    align-items: center;
    gap: .75rem;
    color: var(--ink);
    text-decoration: none;
}

.brand img { flex: 0 0 auto; filter: drop-shadow(0 .35rem .7rem rgba(28, 52, 127, .16)); }
.brand-copy { display: grid; gap: .05rem; }
.brand-copy strong { font-size: 1.05rem; letter-spacing: -.02em; }
.brand-copy small { color: var(--muted); font-size: .67rem; font-weight: 650; letter-spacing: .025em; }

.link-button {
    border: 0;
    padding: 0;
    color: var(--accent-dark);
    background: transparent;
    font: inherit;
    text-decoration: underline;
    cursor: pointer;
}

main {
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
}

.hero {
    min-height: 32rem;
    display: grid;
    align-items: center;
    padding: 5rem clamp(1.25rem, 5vw, 5rem);
    border: 1px solid var(--line);
    border-radius: 1.4rem;
    background:
        linear-gradient(rgba(49, 87, 213, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(49, 87, 213, .035) 1px, transparent 1px),
        radial-gradient(circle at 85% 15%, rgba(16, 167, 158, .16), transparent 28%),
        var(--panel);
    background-size: 28px 28px, 28px 28px, auto, auto;
    box-shadow: 0 1.2rem 3rem rgba(20, 32, 61, .09);
}

.hero.compact { min-height: 24rem; align-content: center; }
.landing-hero { grid-template-columns: minmax(0, 1.05fr) minmax(25rem, .95fr); gap: clamp(2.5rem, 6vw, 6rem); overflow: hidden; }
.hero-copy { position: relative; z-index: 1; }

.eyebrow {
    margin: 0 0 .8rem;
    color: var(--accent);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

h1 {
    max-width: 16ch;
    margin: 0;
    font-size: clamp(2.6rem, 7vw, 5.7rem);
    line-height: .98;
    letter-spacing: -.055em;
}

.compact h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }

.lede {
    max-width: 43rem;
    margin: 1.5rem 0 0;
    color: var(--muted);
    font-size: clamp(1.05rem, 2vw, 1.28rem);
    line-height: 1.65;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.domain-note { margin: 1.2rem 0 0; color: #7c899d; font-size: .78rem; font-weight: 650; letter-spacing: .025em; }

.button {
    display: inline-block;
    padding: .85rem 1.2rem;
    border-radius: .7rem;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    font-weight: 750;
    text-decoration: none;
    box-shadow: 0 .55rem 1.2rem rgba(49, 87, 213, .2);
}

.secondary { color: var(--accent-dark); font-weight: 750; }
.button-link { display: inline-block; padding: .65rem .8rem; border: 1px solid var(--line); border-radius: .55rem; text-decoration: none; }

.hero-visual { position: relative; min-height: 27rem; display: grid; align-items: center; perspective: 1200px; }
.formula-sheet {
    position: relative;
    z-index: 2;
    overflow: hidden;
    border: 1px solid #ccd7e9;
    border-radius: 1rem;
    background: rgba(255, 255, 255, .97);
    box-shadow: 0 1.8rem 4rem rgba(20, 32, 61, .18);
    transform: rotateY(-4deg) rotateZ(1deg);
}
.formula-sheet-back {
    position: absolute;
    inset: 1.5rem -1.2rem -1.5rem 2rem;
    z-index: 1;
    background: #e9edfb;
    box-shadow: none;
    transform: rotateY(-4deg) rotateZ(4deg);
}
.formula-sheet-heading { display: grid; grid-template-columns: 2.3rem minmax(0, 1fr) auto; align-items: center; gap: .75rem; padding: 1rem; border-bottom: 1px solid var(--line); }
.formula-sheet-heading strong, .formula-sheet-heading small { display: block; }
.formula-sheet-heading strong { font-size: .88rem; }
.formula-sheet-heading small { margin-top: .15rem; color: var(--muted); font-size: .66rem; }
.formula-sheet-number { width: 2.3rem; height: 2.3rem; display: grid; place-items: center; border-radius: .65rem; background: var(--accent-soft); color: var(--accent); font: 800 .67rem ui-monospace, monospace; }
.formula-sheet-status { display: inline-flex; align-items: center; gap: .3rem; color: #16726b; font-size: .65rem; font-weight: 800; }
.formula-sheet-status::before { content: ""; width: .42rem; height: .42rem; border-radius: 50%; background: var(--accent-bright); }
.formula-inherited { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem .7rem; padding: .65rem 1rem; border-bottom: 1px solid #cfebe7; background: #f0fbf9; font-size: .62rem; }
.formula-inherited span { color: #5f7774; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; }
.formula-inherited code { color: #176f68; }
.formula-row { min-height: 4.25rem; display: grid; grid-template-columns: 1.7rem minmax(0, 1fr) auto; align-items: center; gap: .7rem; padding: .65rem 1rem; border-bottom: 1px solid #e7ebf2; }
.formula-row > span { color: #9aa6b8; font: .62rem ui-monospace, monospace; }
.formula-row small, .formula-row code { display: block; }
.formula-row small { margin-bottom: .3rem; color: var(--muted); font-size: .65rem; }
.formula-row code { color: #294baf; font-size: .67rem; }
.formula-row > strong { color: #21304e; font: 800 .7rem ui-monospace, monospace; white-space: nowrap; }
.formula-row.formula-pass { background: #f2fbf6; }
.formula-row.formula-pass > strong { padding: .35rem .5rem; border-radius: 99px; color: #167044; background: #dff5e8; }
.formula-sheet-footer { display: flex; justify-content: space-between; gap: .5rem; padding: .75rem 1rem; color: #7e899a; font-size: .56rem; font-weight: 750; text-transform: uppercase; letter-spacing: .05em; }

.foundation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin: 1.5rem 0;
    padding: 2.5rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: var(--panel);
}

.foundation h2 { margin: 0; font-size: clamp(1.8rem, 3vw, 2.6rem); }
.foundation > div > p:last-child { color: var(--muted); line-height: 1.65; }
.foundation ul { display: grid; gap: .7rem; margin: 0; padding: 0; list-style: none; }
.foundation li { display: grid; gap: .15rem; padding: .85rem 1rem; border-left: .2rem solid var(--accent); border-radius: 0 .55rem .55rem 0; background: #f7f8fc; }
.foundation li:nth-child(2), .foundation li:nth-child(4) { border-color: var(--accent-bright); }
.foundation li span { color: var(--muted); font-size: .88rem; line-height: 1.45; }

.home-proof {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    overflow: hidden;
    margin: 1.5rem 0;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: var(--line);
}
.home-proof p { display: grid; gap: .35rem; margin: 0; padding: 1.3rem 1.5rem; background: var(--panel); }
.home-proof strong { color: var(--accent-dark); }
.home-proof span { color: var(--muted); font-size: .86rem; line-height: 1.45; }

.public-hero {
    margin: 1.5rem 0;
    padding: clamp(2.2rem, 7vw, 5.5rem);
    border: 1px solid var(--line);
    border-radius: 1.4rem;
    background:
        radial-gradient(circle at 90% 10%, rgba(16, 167, 158, .15), transparent 24rem),
        linear-gradient(145deg, #fff, #f8faff);
    box-shadow: 0 1rem 2.6rem rgba(20, 32, 61, .07);
}
.public-hero h1 { max-width: 18ch; font-size: clamp(2.6rem, 6vw, 5rem); }
.public-hero .lede { max-width: 49rem; }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}
.feature-card {
    min-height: 20rem;
    padding: 1.7rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: var(--panel);
}
.feature-card-emphasis { background: linear-gradient(145deg, var(--accent-dark), #3157d5); color: #fff; }
.feature-card h2 { margin: 2.8rem 0 .8rem; font-size: 1.45rem; }
.feature-card p { color: var(--muted); line-height: 1.65; }
.feature-card-emphasis p { color: #dce5ff; }
.feature-number { color: var(--accent-bright); font: 800 .76rem ui-monospace, monospace; letter-spacing: .08em; }

.public-callout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    margin: 1.5rem 0;
    padding: clamp(1.6rem, 4vw, 2.8rem);
    border: 1px solid #c7e3dc;
    border-radius: 1rem;
    background: #f0fbf9;
}
.public-callout h2 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.5rem); }
.public-callout p:last-child { max-width: 46rem; margin-bottom: 0; color: var(--muted); line-height: 1.6; }
.home-callout { margin-bottom: 2rem; }

.example-grid { display: grid; gap: 1rem; margin: 1.5rem 0; }
.example-card {
    display: grid;
    grid-template-columns: minmax(18rem, .8fr) 1fr;
    align-items: center;
    gap: clamp(1.5rem, 5vw, 4rem);
    min-height: 20rem;
    padding: clamp(1.4rem, 4vw, 2.7rem);
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: var(--panel);
}
.example-card h2 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.5rem); }
.example-card p:last-child { color: var(--muted); line-height: 1.65; }
.example-tree, .example-equations { display: grid; gap: .55rem; padding: 1.25rem; border: 1px solid #d1dbeb; border-radius: .8rem; background: #f8faff; box-shadow: 0 .8rem 1.8rem rgba(20, 32, 61, .07); }
.example-tree span { padding: .55rem .7rem; border-radius: .45rem; background: #fff; font-size: .86rem; }
.example-tree .tree-child { margin-left: 1.25rem; border-left: .18rem solid var(--accent); }
.example-equations code { padding: .6rem .7rem; border-radius: .45rem; color: #294baf; background: #fff; overflow-wrap: anywhere; }
.example-equations strong { padding: .65rem .7rem; border-radius: .45rem; color: #126b3b; background: #def2e7; }
.example-disclaimer { margin: 1.5rem 0 3rem; padding: 1rem 1.25rem; border-left: .25rem solid var(--warm); color: var(--muted); background: #fffaf1; line-height: 1.55; }

.catalogue-notice {
    display: flex;
    align-items: baseline;
    gap: .8rem 1.2rem;
    margin: 1.5rem 0;
    padding: 1rem 1.25rem;
    border: 1px solid #ead6a8;
    border-radius: .75rem;
    color: #684d19;
    background: #fff8e8;
}
.catalogue-notice span { line-height: 1.5; }
.trial-offer {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 2rem;
    margin: 1.5rem 0;
    padding: clamp(1.6rem, 4vw, 2.6rem);
    border-radius: 1rem;
    color: #fff;
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
}
.trial-offer h2 { margin: 0; font-size: clamp(1.8rem, 3vw, 2.7rem); }
.trial-offer p { color: #dce5ff; line-height: 1.6; }
.trial-offer .eyebrow { color: #7fe1d9; }
.trial-offer ul { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; margin: 0; padding: 0; list-style: none; }
.trial-offer li { display: grid; align-content: center; gap: .4rem; padding: 1rem; border: 1px solid rgba(255,255,255,.18); border-radius: .75rem; background: rgba(255,255,255,.08); }
.trial-offer li strong { font-size: 1.8rem; }
.trial-offer li span { color: #dce5ff; font-size: .78rem; line-height: 1.35; }
.pricing-section { margin: 1.5rem 0; padding: clamp(1.6rem, 4vw, 2.6rem); border: 1px solid var(--line); border-radius: 1rem; background: var(--panel); }
.section-intro { max-width: 48rem; }
.section-intro h2 { margin: 0; font-size: clamp(1.8rem, 3vw, 2.7rem); }
.section-intro > p:last-child { color: var(--muted); line-height: 1.6; }
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; margin-top: 1.7rem; }
.price-card { padding: 1.2rem; border: 1px solid var(--line); border-radius: .75rem; background: #f8faff; }
.price-tier { min-height: 2.2rem; margin: 0; color: var(--muted); font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; }
.price { display: grid; grid-template-columns: auto 1fr; align-items: start; margin: 1.1rem 0 .6rem; color: var(--ink); font-size: 2.3rem; font-weight: 850; }
.price > span { margin-top: .35rem; font-size: .9rem; }
.price small { grid-column: 1 / -1; color: var(--muted); font-size: .7rem; font-weight: 650; }
.price-card > p:last-child { color: var(--muted); font-size: .82rem; line-height: 1.45; }
.vat-note { margin: 1.3rem 0 0; padding-top: 1.1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .86rem; }
.credit-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin: 1.5rem 0; padding: clamp(1.6rem, 4vw, 2.6rem); border: 1px solid #c7e3dc; border-radius: 1rem; background: #f0fbf9; }
.credit-preview h2 { margin: 0; font-size: clamp(1.8rem, 3vw, 2.7rem); }
.credit-preview p { color: var(--muted); line-height: 1.6; }
.top-up-list { display: grid; gap: .45rem; margin: 0 0 .7rem; padding: 0; list-style: none; }
.top-up-list li { display: flex; justify-content: space-between; gap: 1rem; padding: .65rem .75rem; border-radius: .5rem; background: #fff; }
.credit-preview small { color: var(--muted); }
.pricing-action { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin: 1.5rem 0; padding: 2rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--panel); }
.pricing-action h2, .pricing-action p { margin: 0; }
.pricing-action p { margin-top: .35rem; color: var(--muted); }
.catalogue-version { margin: 1.5rem 0 3rem; color: #7c899d; font: .72rem ui-monospace, monospace; text-align: right; }

.faq-list { display: grid; gap: .7rem; margin: 1.5rem auto 3rem; max-width: 58rem; }
.faq-list details { padding: 1.1rem 1.25rem; border: 1px solid var(--line); border-radius: .75rem; background: var(--panel); }
.faq-list summary { cursor: pointer; font-size: 1.02rem; font-weight: 800; }
.faq-list p { margin: .85rem 0 0; color: var(--muted); line-height: 1.65; }
.support-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 1.5rem 0 3rem; }
.support-grid article { padding: 1.5rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--panel); }
.support-grid h2 { margin-top: 0; font-size: 1.3rem; }
.support-grid li, .support-grid p { color: var(--muted); line-height: 1.6; }
.support-grid ul { padding-left: 1.25rem; }

.public-status { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 1.2rem; }
.public-status > span { width: 1.25rem; height: 1.25rem; border: .25rem solid rgba(255,255,255,.8); border-radius: 50%; box-shadow: 0 0 0 .3rem rgba(20,32,61,.06); }
.public-status h1 { max-width: 20ch; }
.public-status p { margin: .8rem 0 0; color: var(--muted); font-size: 1.1rem; }
.status-operational > span { background: var(--accent-bright); }
.status-observing > span { background: var(--warm); }
.status-interruption > span { background: #c84b45; }
.status-checked { margin: 1.5rem 0 0; color: #7c899d; font-size: .82rem; }
.status-explanation { max-width: 48rem; margin: 1.5rem auto 3rem; padding: 1.5rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--panel); }
.status-explanation p { color: var(--muted); line-height: 1.65; }

.account-page { max-width: 64rem; margin: 1.5rem auto 4rem; }
.account-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; padding: clamp(1.5rem, 5vw, 3rem); border: 1px solid var(--line); border-radius: 1rem; background: linear-gradient(145deg, #fff, #f8faff); }
.account-heading h1 { max-width: 18ch; font-size: clamp(2.4rem, 5vw, 4.2rem); }
.account-heading p:last-child { margin-bottom: 0; color: var(--muted); }
.account-panel { margin-top: 1rem; padding: clamp(1.3rem, 4vw, 2rem); border: 1px solid var(--line); border-radius: 1rem; background: var(--panel); }
.account-panel h2 { margin: 0; font-size: clamp(1.35rem, 3vw, 1.8rem); }
.account-panel > p { color: var(--muted); line-height: 1.6; }
.account-two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.account-two-column .account-panel { min-width: 0; }
.account-action-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1rem; }
.account-action-card { display: grid; gap: .45rem; min-height: 10rem; padding: 1.25rem; border: 1px solid var(--line); border-radius: .8rem; color: var(--ink); background: var(--panel); text-decoration: none; }
.account-action-card:hover { border-color: #aebce8; box-shadow: 0 .6rem 1.4rem rgba(20, 32, 61, .07); }
.account-action-card span { color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.account-action-card small { color: var(--muted); line-height: 1.45; }
.account-legal-links { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem 1.5rem; }
.account-legal-links h2 { width: 100%; }
.account-danger { border-color: #e4c7c3; background: #fffafa; }
.account-danger .eyebrow { color: #9a3329; }
.account-danger button.danger { width: 100%; padding: .8rem 1rem; border: 0; border-radius: .65rem; color: #fff; background: #9a3329; font: inherit; font-weight: 750; cursor: pointer; }
.account-security-callout { display: flex; align-items: center; justify-content: space-between; gap: 2rem; border-color: #c9d3f3; background: linear-gradient(135deg, #fff, #f3f6ff); }
.account-security-callout > div { max-width: 44rem; }
.account-security-callout .button { flex: 0 0 auto; }
.session-list { display: grid; gap: .6rem; margin: 1rem 0 0; padding: 0; list-style: none; }
.session-list li { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .85rem 1rem; border: 1px solid var(--line); border-radius: .65rem; background: #f8faff; }
.session-list li div { display: grid; gap: .2rem; }
.session-list li span { color: var(--muted); font-size: .78rem; }
.session-list form { flex: 0 0 auto; }
.session-list button.secondary { padding: .55rem .7rem; border: 1px solid var(--line); border-radius: .5rem; background: #fff; }
.data-export-panel { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.data-export-panel > div { max-width: 42rem; }
.usage-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; margin-top: 1rem; }
.usage-grid article { display: grid; gap: .4rem; min-height: 10rem; padding: 1.25rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--panel); }
.usage-grid article > span { color: var(--muted); font-size: .76rem; font-weight: 750; text-transform: uppercase; letter-spacing: .04em; }
.usage-grid article > strong { margin-top: auto; color: var(--accent-dark); font-size: 2.15rem; }
.usage-grid article > strong small { color: var(--muted); font-size: .9rem; }
.usage-grid article > small { color: var(--muted); line-height: 1.4; }
.entitlement-panel, .shadow-plan { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.entitlement-panel > div, .shadow-plan > div:first-child { max-width: 44rem; }
.entitlement-badge { flex: 0 0 auto; padding: .65rem .9rem; border-radius: 99px; color: #126b3b; background: #def2e7; font-size: .76rem; font-weight: 850; text-transform: uppercase; letter-spacing: .05em; }
.shadow-plan { border-color: #ead6a8; background: #fffaf1; }
.shadow-plan > div:last-child { display: grid; gap: .5rem; min-width: 15rem; padding: 1rem; border-radius: .7rem; background: #fff; }
.shadow-plan span { color: var(--muted); font: .72rem ui-monospace, monospace; }

footer {
    padding-block: 2rem;
    color: var(--muted);
    font-size: .9rem;
}

.auth-shell {
    display: grid;
    place-items: center;
    min-height: calc(100vh - 9rem);
    padding: 2rem 0 4rem;
}

.auth-card {
    width: min(38rem, 100%);
    padding: clamp(1.5rem, 5vw, 3rem);
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: var(--panel);
    box-shadow: 0 1rem 2.5rem rgba(20, 33, 40, .08);
}

.auth-brand-mark { display: block; width: 3.5rem; height: 3.5rem; margin: 0 0 1.4rem; filter: drop-shadow(0 .45rem .8rem rgba(28, 52, 127, .18)); }
.auth-card h1, .prose h1 {
    max-width: none;
    font-size: clamp(2.2rem, 5vw, 4rem);
}

.auth-card .lede { margin-top: 1rem; font-size: 1rem; line-height: 1.6; }
.auth-note { margin: 1.35rem 0 0; color: var(--muted); font-size: .92rem; line-height: 1.55; }
.auth-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 1.5rem; }

.stack-form {
    display: grid;
    gap: .75rem;
    margin-top: 2rem;
}

.stack-form > label:not(.check-row) { margin-top: .5rem; font-weight: 750; }

.stack-form input[type="text"],
.stack-form input[type="email"],
.stack-form input[type="password"] {
    width: 100%;
    min-height: 2.8rem;
    padding: .65rem .75rem;
    border: 1px solid #aab8b1;
    border-radius: .45rem;
    background: #fff;
    color: var(--ink);
    font: inherit;
}

.stack-form select {
    width: 100%;
    min-height: 2.8rem;
    padding: .65rem .75rem;
    border: 1px solid #aab8b1;
    border-radius: .45rem;
    background: #fff;
    color: var(--ink);
    font: inherit;
}

.stack-form input:focus { outline: 3px solid rgba(49, 87, 213, .2); border-color: var(--accent); }

.check-row { display: flex; align-items: flex-start; gap: .65rem; margin-top: .5rem; line-height: 1.45; }
.check-row input { margin-top: .25rem; }
.field-hint { color: var(--muted); font-size: .9rem; }
.field-error, .validation-summary { color: #922b21; }
.validation-summary-valid { display: none; }
.validation-summary:empty { display: none; }
.button-wide { width: 100%; border: 0; margin-top: .75rem; cursor: pointer; font: inherit; text-align: center; }

.auth-links {
    display: flex;
    flex-wrap: wrap;
    gap: .65rem 1.25rem;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line);
    font-size: .95rem;
}

.inline-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .75rem;
    margin-top: 2rem;
}

.inline-form select {
    min-height: 2.8rem;
    padding: .55rem .75rem;
    border: 1px solid #aab8b1;
    border-radius: .45rem;
    background: #fff;
    font: inherit;
}

.mail-preview-details { margin: 1rem 0; }
.mail-preview-details summary { cursor: pointer; color: var(--accent-dark); font-weight: 750; }
.mail-preview { width: 100%; min-height: 46rem; margin-top: .8rem; border: 1px solid var(--line); border-radius: .8rem; background: #fff; }

.security-success { border-color: #b9ddd1; background: #f5fbf9; }
.security-success .eyebrow { color: #14715d; }
.security-setup { border-color: #c9d3f3; background: linear-gradient(145deg, #fff, #f8faff); }
.security-steps { display: grid; gap: .8rem; margin: 1.2rem 0 0; padding-left: 1.4rem; color: var(--muted); line-height: 1.6; }
.security-key { display: inline-block; margin: .35rem .2rem; padding: .35rem .55rem; border: 1px solid #c9d3f3; border-radius: .45rem; color: var(--accent-dark); background: var(--accent-soft); font-size: .92rem; overflow-wrap: anywhere; }
.security-form { max-width: 34rem; }
.recovery-code-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .55rem; margin: 1.2rem 0; padding: 0; list-style: none; }
.recovery-code-list code { display: block; padding: .7rem .8rem; border: 1px solid #b9ddd1; border-radius: .55rem; color: #184f44; background: #fff; font-size: 1rem; text-align: center; }
.secondary-button { display: inline-block; padding: .8rem 1rem; border: 1px solid #aebce8; border-radius: .65rem; color: var(--accent-dark); background: #fff; font: inherit; font-weight: 750; cursor: pointer; }

.prose {
    max-width: 52rem;
    margin: 2rem auto 5rem;
    padding: clamp(1.5rem, 5vw, 3rem);
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: var(--panel);
}

.wide-prose { max-width: 68rem; }
.notice-success { padding: .8rem 1rem; border-left: .3rem solid var(--accent); background: #eaf5f1; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .7rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; }
.mail-card { margin-top: 1.5rem; padding: 1.25rem; border: 1px solid var(--line); border-radius: .7rem; }
.mail-card pre { overflow-wrap: anywhere; white-space: pre-wrap; color: var(--ink); font: .88rem/1.5 ui-monospace, monospace; }

.prose h2 { margin-top: 2.25rem; }
.prose p { line-height: 1.7; }
.document-integrity { color: var(--muted); font-family: ui-monospace, monospace; font-size: .78rem; }

.wide-main { width: min(1480px, calc(100% - 2rem)); }
.full-width-main { width: calc(100% - 2rem); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.card-panel { border: 1px solid var(--line); border-radius: 1rem; background: var(--panel); box-shadow: 0 .7rem 2rem rgba(20, 33, 40, .055); }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 1rem; }
.section-heading-row h2, .create-project h2, .sheet-editor h2, .revision-panel h2 { margin: 0; }
.workspace-grid { display: grid; grid-template-columns: minmax(0, 1fr) 19rem; gap: 1.25rem; margin-top: 1.25rem; }
.project-browser, .create-project { padding: 1.4rem; }
.project-search { display: flex; gap: .5rem; }
.project-search input, .stacked-form input, .stacked-form textarea, .stacked-form select, .permanent-delete input {
    width: 100%; min-height: 2.65rem; padding: .6rem .7rem; border: 1px solid #aab8b1; border-radius: .45rem; background: #fff; color: var(--ink); font: inherit;
}
.project-search button, button.secondary, button.danger-link, button.danger, .compact-button { border: 0; background: transparent; color: var(--accent-dark); cursor: pointer; font: inherit; }
.project-tabs { display: flex; gap: .3rem; margin: 1.25rem 0; border-bottom: 1px solid var(--line); }
.project-tabs a { padding: .65rem .85rem; border-bottom: .2rem solid transparent; text-decoration: none; font-weight: 700; }
.project-tabs a.selected { border-color: var(--accent); color: var(--ink); }
.project-list { display: grid; gap: .65rem; }
.project-list-item { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: .75rem; }
.project-list-item h3 { margin: .25rem 0; }
.project-list-item small { display: block; color: var(--muted); }
.project-number { color: var(--accent); font: 800 .78rem ui-monospace, monospace; letter-spacing: .06em; text-transform: uppercase; }
.project-item-actions { display: flex; flex-wrap: wrap; justify-content: end; align-items: center; gap: .65rem; }
.project-item-actions form { margin: 0; }
.project-item-actions button.secondary, .project-search button.secondary, .compact-button { padding: .65rem .8rem; border: 1px solid var(--line); border-radius: .55rem; font-weight: 700; }
.danger-link { padding: .5rem; color: #8c2f24 !important; }
.danger { padding: .7rem .85rem; border-radius: .5rem; color: #fff !important; background: #8c2f24 !important; font-weight: 750 !important; }
.deletion-warning { margin-top: .25rem; color: #8c2f24 !important; }
.permanent-delete { position: relative; }
.permanent-delete summary { color: #8c2f24; cursor: pointer; }
.permanent-delete form { position: absolute; z-index: 3; right: 0; width: 19rem; padding: 1rem; border: 1px solid #d4a39d; border-radius: .7rem; background: #fff; box-shadow: 0 1rem 2rem rgba(20, 33, 40, .15); }
.permanent-delete label { display: grid; gap: .5rem; margin-bottom: .7rem; }
.stacked-form { display: grid; gap: .55rem; }
.stacked-form label { margin-top: .45rem; font-weight: 750; }
.stacked-form .button { border: 0; margin-top: .5rem; cursor: pointer; font: inherit; }
.empty-state { padding: 2rem; border: 1px dashed #b8c4be; border-radius: .75rem; color: var(--muted); text-align: center; }
.empty-state h3 { margin-top: 0; color: var(--ink); }
.import-page { width: min(54rem, calc(100% - 2rem)); margin: 2rem auto 4rem; }
.import-upload-panel, .import-preview-panel { padding: 1.4rem; margin-top: 1.4rem; }
.import-summary { margin: 1.2rem 0; }
.import-confirm-form { max-width: 34rem; margin-top: 1.4rem; }
.import-warning { padding: .85rem 1rem; border-left: .25rem solid #b7791f; background: #fff8e8; color: #684615; }
.empty-state.compact { padding: .8rem; }

.calculation-header, .revision-header { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin: 1.5rem 0 1rem; padding: 1.5rem; border-radius: 1rem; background: var(--ink); color: #fff; }
.calculation-header h1, .revision-header h1 { max-width: none; font-size: clamp(2.2rem, 5vw, 4.5rem); }
.calculation-header .eyebrow, .revision-header .eyebrow { color: #83d0c2; }
.calculation-header .project-access-pill { border-color: #fff; background: #fff; color: var(--ink); }
.calculation-header .project-access-summary .secondary { border-color: #b8c5df; color: #fff; }
.calculation-header .project-access-summary .secondary:hover { border-color: #fff; background: rgba(255, 255, 255, .1); }
.back-link { display: inline-block; margin-bottom: 1rem; color: inherit; }
.draft-status-block { display: grid; justify-items: end; gap: .45rem; }
.draft-label { color: #c8d6d2; font-size: .85rem; }
.save-state { display: inline-flex; align-items: center; gap: .45rem; font-weight: 800; }
.save-state::before { content: ""; width: .55rem; height: .55rem; border-radius: 50%; background: currentColor; }
.save-state.saved { color: #8ce0ad; }
.save-state.saving, .save-state.pending { color: #f1d17d; }
.save-state.disconnected, .save-state.error, .save-state.conflict { color: #ff9c8f; }
.draft-status-block .secondary { color: #fff; border-color: #607078; }
.draft-recovery-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .45rem; }
.draft-save-detail { max-width: 24rem; margin: 0; color: #d8e2df; font-size: .78rem; line-height: 1.4; text-align: right; }
.notice { margin: .75rem 0; padding: .8rem 1rem; border-radius: .65rem; }
.notice.warning { border: 1px solid #e5c78e; background: #fff7e5; }
.ai-assistant { margin: 1rem 0; overflow: hidden; border-color: #a7d9ce; background: linear-gradient(135deg, #f7fffc 0%, #eef8f6 100%); }
.ai-assistant-header { display: flex; align-items: start; justify-content: space-between; gap: 1.5rem; padding: 1.2rem 1.35rem; border-bottom: 1px solid #c7e3dc; }
.ai-assistant-header h2 { margin: .1rem 0 .35rem; font-size: 1.55rem; }
.ai-assistant-header p:last-child { max-width: 52rem; margin: 0; color: var(--muted); line-height: 1.5; }
.ai-assistant-state { display: grid; justify-items: end; gap: .35rem; white-space: nowrap; }
.ai-availability { display: inline-flex; padding: .3rem .55rem; border-radius: 999px; background: #dcebe7; color: #39564e; font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.ai-availability.availability-available { background: #d9f2e5; color: #126b3b; }
.ai-availability.availability-disclosurerequired, .ai-availability.availability-entitlementrequired, .ai-availability.availability-creditsunavailable { background: #fff1cf; color: #77500c; }
.ai-availability.availability-disabledbyorganization, .ai-availability.availability-disabledbyproject { background: #ecefed; color: #59645f; }
.ai-status-message { margin: 0; padding: .7rem 1.35rem; border-bottom: 1px solid #c7e3dc; background: #fff9e8; color: #6a4d13; }
.ai-assistant-body { display: grid; grid-template-columns: minmax(0, 1fr) 18rem; min-height: 12rem; }
.ai-conversation-workspace { min-width: 0; padding: 1.2rem 1.35rem; }
.ai-context-panel { padding: 1.1rem; border-left: 1px solid #c7e3dc; background: rgba(255, 255, 255, .72); }
.ai-welcome, .ai-unavailable, .ai-conversation-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.ai-welcome p, .ai-unavailable p, .ai-empty-conversation p { margin-bottom: 0; color: var(--muted); line-height: 1.45; }
.ai-unavailable { align-items: flex-start; flex-direction: column; }
.ai-prompt-starters { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.ai-prompt-starters span { padding: .45rem .65rem; border: 1px solid #bcd9d2; border-radius: 999px; background: #fff; color: var(--accent-dark); font-size: .8rem; }
.ai-context-heading { display: grid; gap: .15rem; }
.ai-context-heading small { color: var(--muted); }
.ai-context-panel dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; margin: .9rem 0; }
.ai-context-panel dl div { display: grid; padding: .5rem; border-radius: .45rem; background: #edf7f4; }
.ai-context-panel dt { color: var(--muted); font-size: .7rem; text-transform: uppercase; }
.ai-context-panel dd { margin: .1rem 0 0; font-weight: 750; }
.ai-context-panel details { color: var(--muted); font-size: .78rem; line-height: 1.45; }
.ai-context-panel summary { cursor: pointer; color: var(--accent-dark); font-weight: 750; }
.ai-context-panel ul { padding-left: 1.2rem; }
.ai-conversation-history { display: grid; gap: .25rem; margin-top: .9rem; padding-top: .8rem; border-top: 1px solid #c7e3dc; }
.ai-conversation-history a { padding: .35rem .45rem; border-radius: .35rem; color: var(--accent-dark); font-size: .8rem; text-decoration: none; }
.ai-conversation-history a:hover, .ai-conversation-history a[aria-current="true"] { background: #e0f1ec; }
.ai-message-list { display: grid; gap: .7rem; min-height: 6rem; margin: .8rem 0; }
.ai-empty-conversation { display: grid; place-content: center; min-height: 7rem; padding: 1rem; border: 1px dashed #a9c9c1; border-radius: .65rem; text-align: center; }
.ai-message { max-width: 80%; padding: .75rem .85rem; border-radius: .7rem; background: #fff; }
.ai-message.role-user { justify-self: end; background: #dff2ed; }
.ai-message p { margin: .25rem 0 0; white-space: pre-wrap; line-height: 1.5; }
.ai-quote { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: .8rem 0; padding: .8rem; border: 1px solid #8fc8ba; border-radius: .65rem; background: #fff; }
.ai-quote > div:first-child { display: grid; gap: .15rem; }
.ai-quote small, .ai-quote-cost span { color: var(--muted); font-size: .77rem; }
.ai-quote-cost { display: grid; justify-items: end; gap: .15rem; white-space: nowrap; }
.ai-runtime-note { margin: -.25rem 0 .8rem; color: var(--muted); font-size: .78rem; line-height: 1.45; }
.ai-runtime-note.success { color: #126b3b; }
.ai-runtime-note.error { color: #922b21; }
.ai-run-form { display: flex; align-items: center; flex-wrap: wrap; gap: .65rem; margin: -.25rem 0 .8rem; padding: .7rem; border-radius: .55rem; background: #e9f6f2; }
.ai-run-form label { display: flex; align-items: center; gap: .4rem; font-size: .82rem; }
.ai-run-form .button { border: 0; font: inherit; }
.ai-run-form small { flex-basis: 100%; color: var(--muted); }
.ai-prompt-shell { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .6rem; }
.ai-prompt-shell input[type="hidden"] { display: none; }
.ai-prompt-shell textarea { width: 100%; resize: vertical; padding: .7rem; border: 1px solid #b8ccc7; border-radius: .55rem; color: var(--ink); background: #f7faf9; font: inherit; }
.ai-prompt-shell .button { align-self: end; border: 0; font: inherit; }
.ai-prompt-shell button:disabled { cursor: not-allowed; opacity: .55; }
.calculation-layout { display: grid; grid-template-columns: 14.5rem minmax(38rem, 1fr); grid-template-areas: "sidebar editor"; align-items: start; gap: 1rem; }
.calculation-sidebar { display: grid; grid-area: sidebar; align-self: start; align-content: start; gap: 1rem; }
.sheet-editor { grid-area: editor; }
.sheet-tree-panel, .revision-panel { padding: 1rem; }
.tree-project-heading { display: grid; }
.persisted-sheet-tree { display: grid; gap: .3rem; margin: 1rem 0; }
.sheet-tree-item { display: grid; grid-template-columns: 2rem 1fr; gap: .35rem; padding: .65rem .55rem; border-radius: .5rem; color: var(--ink); text-decoration: none; }
.sheet-tree-item:hover, .sheet-tree-item.selected { background: var(--accent-soft); }
.sheet-tree-item.selected { box-shadow: inset .2rem 0 var(--accent); }
.sheet-tree-item span { color: var(--muted); font: .75rem ui-monospace, monospace; }
.sheet-tree-item.depth-1 { padding-left: 1.1rem; }
.sheet-tree-item.depth-2 { padding-left: 1.65rem; }
.sheet-tree-item.depth-3 { padding-left: 2.2rem; }
.sheet-tree-item.depth-4, .sheet-tree-item.depth-5, .sheet-tree-item.depth-6 { padding-left: 2.7rem; }
.tree-help { padding-top: .9rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; line-height: 1.5; }
.sheet-tree-editor { margin: .8rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sheet-tree-editor > summary { padding: .75rem 0; cursor: pointer; color: var(--accent-dark); font-size: .85rem; font-weight: 750; }
.sheet-tree-editor-body { display: grid; gap: .65rem; padding: 0 0 .8rem; }
.sheet-tree-editor-body > label, .tree-delete-confirmation { display: grid; gap: .25rem; color: var(--muted); font-size: .76rem; font-weight: 700; }
.sheet-tree-editor-body input[type="text"], .sheet-tree-editor-body input:not([type]) { width: 100%; min-width: 0; padding: .5rem; border: 1px solid var(--line); border-radius: .45rem; color: var(--ink); background: #fff; font: inherit; font-weight: 400; }
.tree-move-actions, .tree-add-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .35rem; }
.sheet-tree-editor .tree-action-button { min-width: 0; padding: .5rem .35rem; font-size: .75rem; }
.sheet-tree-editor .tree-action-button:disabled { cursor: not-allowed; opacity: .45; }
.tree-delete-panel { padding: .55rem; border: 1px solid #e2c8c4; border-radius: .55rem; background: #fff8f7; }
.tree-delete-panel > summary { cursor: pointer; color: #8c2f24; font-size: .8rem; font-weight: 750; }
.tree-delete-panel p { color: var(--muted); font-size: .75rem; line-height: 1.4; }
.tree-delete-panel .tree-action-button { width: 100%; margin-top: .45rem; }
.tree-delete-confirmation { grid-template-columns: auto 1fr; align-items: start; margin-top: .65rem; font-weight: 500; line-height: 1.35; }
.tree-command-status { min-height: 1.1rem; margin: 0; color: #8c2f24; font-size: .75rem; line-height: 1.4; }
.sheet-editor { min-width: 0; padding: 1rem; overflow-x: hidden; }
.sheet-editor-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.calculation-controls { display: flex; align-items: center; gap: .8rem; }
.auto-calculate-control { display: flex; align-items: center; gap: .45rem; font-size: .88rem; font-weight: 700; }
.calculation-controls .secondary { padding: .6rem .8rem; border: 1px solid var(--line); border-radius: .5rem; }
.calculation-controls .secondary:disabled { color: #8b9993; cursor: not-allowed; }
.document-metadata-panel { margin: 0 0 1rem; border: 1px solid var(--line); border-radius: .7rem; background: #fbfcfb; }
.document-metadata-panel summary { padding: .75rem 1rem; cursor: pointer; color: var(--ink); font-weight: 750; }
.document-metadata-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem; padding: 0 1rem 1rem; }
.document-metadata-grid label { display: grid; gap: .3rem; color: var(--muted); font-size: .8rem; font-weight: 700; }
.document-metadata-grid input, .document-metadata-grid textarea { width: 100%; padding: .55rem .65rem; border: 1px solid var(--line); border-radius: .45rem; color: var(--ink); background: #fff; font: inherit; font-weight: 400; }
.document-metadata-grid input:focus, .document-metadata-grid textarea:focus { outline: 3px solid rgba(49, 87, 213, .18); border-color: var(--accent); }
.document-metadata-grid .metadata-wide { grid-column: span 2; }
.document-metadata-grid .metadata-full { grid-column: 1 / -1; }
.inherited-values { margin: 1rem 0; border: 1px solid #b9d9d1; border-radius: .75rem; background: #f0f9f6; }
.inherited-values > summary { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .8rem 1rem .8rem 2.3rem; cursor: pointer; list-style: none; }
.inherited-values > summary::-webkit-details-marker { display: none; }
.inherited-values > summary::before { position: absolute; left: 1rem; color: var(--accent-dark); content: "›"; font-size: 1.35rem; font-weight: 800; line-height: 1; transition: transform .15s ease; }
.inherited-values[open] > summary::before { transform: rotate(90deg); }
.inherited-values[open] > summary { border-bottom: 1px solid #cfe3de; }
.inherited-summary-title { display: grid; gap: .15rem; }
.inherited-summary-title .eyebrow { margin: 0; font-size: .67rem; }
.inherited-value-count { flex: 0 0 auto; padding: .3rem .55rem; border: 1px solid #a8cfc6; border-radius: 999px; background: #fff; color: #315b51; font-size: .74rem; font-weight: 800; }
.inherited-value-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); gap: .55rem; padding: 1rem 1rem .4rem; }
.inherited-value { display: grid; gap: .1rem; min-width: 0; padding: .65rem; border: 1px solid transparent; border-radius: .45rem; background: #fff; color: var(--ink); font: inherit; text-align: left; cursor: copy; }
.inherited-value:hover { border-color: #8fc5b8; box-shadow: 0 .2rem .6rem rgba(20, 32, 61, .08); }
.inherited-value:focus-visible { outline: 3px solid rgba(49, 87, 213, .2); outline-offset: 2px; }
.inherited-value.copied { border-color: #3d9b75; background: #f7fffb; }
.inherited-value-name { display: flex; align-items: center; justify-content: space-between; gap: .5rem; min-width: 0; }
.inherited-value-name code { overflow-wrap: anywhere; }
.copy-variable-icon { position: relative; width: .72rem; height: .82rem; flex: 0 0 auto; border: 1.5px solid #59716b; border-radius: .1rem; }
.copy-variable-icon::before { position: absolute; top: -.24rem; left: -.27rem; width: .62rem; height: .7rem; border: 1.5px solid #59716b; border-radius: .1rem; background: #fff; content: ""; }
.inherited-value small { color: var(--muted); }
.inherited-copy-status { min-height: 1.1rem; margin: 0; padding: .15rem 1rem .7rem; color: #27664f; font-size: .75rem; }
.calculation-table-scroll { overflow-x: auto; }
.calculation-table { min-width: 50rem; table-layout: fixed; }
.calculation-table .row-insert-heading { width: 2.4rem; }
.calculation-table .row-number-heading { width: 2.6rem; }
.calculation-table .row-description-heading { width: 16%; }
.calculation-table .row-formula-heading { width: 38%; }
.calculation-table .row-unit-heading { width: 7.5rem; }
.calculation-table .row-result-heading { width: 15%; }
.calculation-table .row-actions-heading { width: 2.6rem; }
.calculation-table input, .calculation-table textarea, .calculation-table select { width: 100%; min-height: 2.4rem; padding: .45rem .5rem; border: 1px solid transparent; border-radius: .35rem; color: var(--ink); background: transparent; font: inherit; }
.calculation-table input:focus, .calculation-table textarea:focus, .calculation-table select:focus { outline: 3px solid rgba(49, 87, 213, .18); border-color: var(--accent); background: #fff; }
.calculation-table .row-formula, .calculation-table code { font-family: ui-monospace, "Cascadia Code", monospace; }
.calculation-table textarea.row-formula { display: block; overflow: hidden; resize: none; line-height: 1.45; white-space: pre-wrap; overflow-wrap: anywhere; word-break: break-word; }
.heading-row td { background: #f2f6f5; }
.heading-row-editor { display: grid; grid-template-columns: 7.5rem 1fr; gap: .6rem; align-items: center; }
.heading-row .row-content { font-weight: 780; }
.text-row td { background: #fbfcfb; }
.text-row .row-content { resize: vertical; line-height: 1.5; }
.image-row td { background: #fbfcfb; }
.sheet-image { max-width: 100%; margin-block: .45rem .8rem; }
.sheet-image.align-left { margin-right: auto; margin-left: 0; }
.sheet-image.align-center { margin-right: auto; margin-left: auto; }
.sheet-image.align-right { margin-right: 0; margin-left: auto; }
.sheet-image img { display: block; max-width: 100%; height: auto; margin-inline: auto; border: 1px solid var(--line); border-radius: .55rem; background: #fff; box-shadow: 0 .3rem 1rem rgba(22, 44, 38, .08); }
.sheet-image figcaption { margin-top: .45rem; color: var(--muted); font-size: .82rem; line-height: 1.45; text-align: center; }
.image-row-editor { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .55rem .7rem; align-items: end; padding: .75rem; border: 1px solid var(--line); border-radius: .55rem; background: #f4f8f7; }
.image-row-editor label { display: grid; gap: .2rem; color: var(--muted); font-size: .75rem; font-weight: 700; }
.image-row-editor .image-field-wide { grid-column: 1 / -1; }
.image-row-editor textarea { resize: vertical; background: #fff; }
.image-row-editor .replace-row-image { justify-self: start; }
.image-upload-status { align-self: center; color: var(--muted); font-size: .78rem; }
.image-row-editor .image-upload-status { grid-column: 1 / -1; }
.row-insert { padding-inline: .2rem; text-align: center; }
.insert-content-row { width: 1.75rem; height: 1.75rem; padding: 0; border: 1px solid #aab7b2; border-radius: 50%; color: var(--accent-dark); background: #fff; cursor: pointer; font-size: 1.15rem; line-height: 1; }
.insert-content-row:hover { border-color: var(--accent); background: var(--accent-soft); }
.insert-content-row:focus-visible { outline: 3px solid rgba(49, 87, 213, .22); outline-offset: 2px; }
.row-number { color: var(--muted); text-align: center; }
.row-result { overflow-wrap: anywhere; }
.row-result strong, .row-result small { display: block; }
.row-result strong { white-space: pre-wrap; }
.row-result.matrix-result strong { max-height: 18rem; overflow: auto; font-family: "Cascadia Mono", Consolas, monospace; }
.row-result span { margin-left: .3rem; color: var(--muted); }
.row-result.error { padding-left: .6rem; border-left: .2rem solid #b23b2f; color: #922b21; background: #fff2f0; }
.row-result.pass { color: #126b3b; background: #edf8f0; }
.row-result.fail { color: #922b21; background: #fff2f0; }
.row-result.pending { color: var(--muted); }
.remove-content-row { width: 2rem; height: 2rem; border: 0; border-radius: 50%; color: #8c2f24; background: transparent; cursor: pointer; font-size: 1.35rem; }
.remove-content-row:hover { background: #fff2f0; }
.add-row-actions { display: flex; flex-wrap: wrap; gap: .55rem; }
.add-row-actions .image-upload-status { margin-top: .8rem; }
.add-row-button { margin-top: .8rem; padding: .65rem .8rem; border: 1px dashed #9caaa4 !important; border-radius: .5rem; }
.row-type-dialog { width: min(34rem, calc(100vw - 2rem)); padding: 0; border: 1px solid var(--line); border-radius: .8rem; color: var(--ink); background: #fff; box-shadow: 0 1.2rem 3rem rgba(15, 38, 31, .24); }
.row-type-dialog::backdrop { background: rgba(16, 34, 29, .48); }
.row-type-dialog form { display: grid; gap: .8rem; padding: 1.1rem; }
.row-type-dialog header { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.row-type-dialog h3, .row-type-dialog p { margin: 0; }
.row-type-dialog > form > p { color: var(--muted); }
.row-type-dialog-close { width: 2rem; height: 2rem; padding: 0; border: 0; border-radius: 50%; color: var(--muted); background: transparent; cursor: pointer; font-size: 1.35rem; }
.row-type-dialog-close:hover { background: var(--accent-soft); }
.row-type-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .65rem; }
.row-type-options button { display: grid; gap: .2rem; padding: .8rem; border: 1px solid var(--line); border-radius: .6rem; color: var(--ink); background: #fbfcfb; cursor: pointer; text-align: left; }
.row-type-options button:hover { border-color: var(--accent); background: var(--accent-soft); }
.row-type-options button:focus-visible { outline: 3px solid rgba(49, 87, 213, .22); border-color: var(--accent); }
.row-type-options span { color: var(--muted); font-size: .78rem; line-height: 1.35; }
@media (max-width: 520px) {
    .row-type-options { grid-template-columns: 1fr; }
}
.calculation-summary { display: flex; justify-content: end; gap: 1rem; margin-top: .7rem; color: var(--muted); font-size: .85rem; }
.error-count { color: #922b21; font-weight: 750; }
.revision-panel > p { color: var(--muted); line-height: 1.5; }
.revision-list, .check-records { display: grid; gap: .5rem; padding: 0; list-style: none; }
.revision-list a { display: grid; gap: .2rem; padding: .7rem; border: 1px solid var(--line); border-radius: .55rem; color: var(--ink); text-decoration: none; }
.revision-list span { color: var(--muted); }
.revision-list small { color: var(--muted); font-size: .75rem; }

.revision-metadata { display: grid; grid-template-columns: repeat(2, auto); gap: .7rem 1.5rem; margin: 0; }
.revision-metadata div { display: grid; }
.revision-metadata dt { color: #b8c8c3; font-size: .75rem; text-transform: uppercase; }
.revision-metadata dd { margin: .15rem 0 0; }
.revision-layout { display: grid; grid-template-columns: minmax(0, 1fr) 20rem; gap: 1rem; align-items: start; }
.revision-content { min-width: 0; }
.revision-layout .card-panel { padding: 1.2rem; margin-bottom: 1rem; }

.proposal-header { display: grid; grid-template-columns: minmax(0, 1fr) 22rem; gap: 1.5rem; align-items: end; margin-bottom: 1rem; }
.proposal-metadata { display: grid; grid-template-columns: repeat(2, 1fr); gap: .65rem; margin: 0; }
.proposal-metadata div { padding: .75rem; border: 1px solid var(--line); border-radius: .65rem; background: #fff; }
.proposal-metadata dt { color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; }
.proposal-metadata dd { margin: .2rem 0 0; font-weight: 700; }
.proposal-state { display: inline-flex; padding: .2rem .5rem; border-radius: 999px; background: #e8f5f1; color: #0b5e4c; font-size: .78rem; }
.proposal-state.state-stale, .proposal-state.state-invalid, .proposal-state.state-failed { background: #fff0ec; color: #9d321d; }
.proposal-state.state-discarded, .proposal-state.state-revisionrequested { background: #f2f0e9; color: #5f5a49; }
.proposal-notice { padding: .8rem 1rem; border-radius: .65rem; background: #e8f5f1; color: #174e42; }
.proposal-layout { display: grid; grid-template-columns: minmax(0, 1fr) 22rem; gap: 1rem; align-items: start; }
.proposal-layout .card-panel { padding: 1.2rem; margin-bottom: 1rem; }

.copy-sheet-header { margin-bottom: 1.2rem; }
.copy-sheet-layout { display: grid; grid-template-columns: minmax(15rem, .65fr) minmax(20rem, 1fr); gap: 1rem; align-items: start; }
.copy-sheet-layout .card-panel { padding: 1.2rem; }
.copy-sheet-source { position: sticky; top: 1rem; }
.copy-sheet-destination { grid-column: 2; }
.copy-impact-review { grid-column: 1 / -1; }
.copy-summary-grid, .copy-impact-counts { display: grid; gap: .65rem; margin: 1rem 0 0; }
.copy-summary-grid div, .copy-impact-counts div { display: grid; gap: .15rem; }
.copy-summary-grid dt, .copy-impact-counts dt { color: var(--muted); font-size: .78rem; font-weight: 750; text-transform: uppercase; letter-spacing: .04em; }
.copy-summary-grid dd, .copy-impact-counts dd { margin: 0; font-weight: 700; }
.copy-impact-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: start; }
.copy-impact-counts { grid-template-columns: repeat(3, minmax(4rem, 1fr)); margin: 0; }
.copy-variable-comparison { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1.2rem 0; }
.copy-variable-comparison section { min-width: 0; padding: 1rem; border: 1px solid var(--line); border-radius: .75rem; background: var(--background); overflow-x: auto; }
.copy-variable-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.copy-variable-table th, .copy-variable-table td { padding: .45rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.copy-branch-option { display: flex; gap: .55rem; align-items: start; font-weight: 650; }
.copy-branch-option input { width: auto; margin-top: .2rem; }
.copy-diagnostic-warning ul { display: grid; gap: .55rem; padding-left: 1.2rem; }
.copy-diagnostic-warning li { display: grid; gap: .15rem; }
.copy-apply-form { max-width: 46rem; margin-top: 1rem; }
.warning-confirmation { padding: .75rem; border: 1px solid #e5c78e; border-radius: .65rem; background: #fff7e5; }

@media (max-width: 800px) {
    .copy-sheet-layout, .copy-variable-comparison { grid-template-columns: 1fr; }
    .copy-sheet-source { position: static; }
    .copy-sheet-destination, .copy-impact-review { grid-column: 1; }
    .copy-impact-heading { display: grid; }
}

.template-publish-header { margin-bottom: 1.2rem; }
.template-publish-layout { display: grid; grid-template-columns: minmax(15rem, .65fr) minmax(24rem, 1fr); gap: 1rem; align-items: start; }
.template-publish-layout .card-panel { padding: 1.2rem; }
.template-source-summary { position: sticky; top: 1rem; }
.template-publish-form-panel form { max-width: 48rem; }
.template-published-summary { margin-bottom: 1rem; }
.template-published-summary p { margin: .35rem 0; }

.template-library-header, .template-detail-header { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin: 1.5rem 0 1.2rem; }
.template-library-header .lede, .template-detail-header .lede { max-width: 58rem; }
.template-filter-panel { padding: 1rem 1.2rem; margin-bottom: 1rem; }
.template-filter-form { display: grid; grid-template-columns: minmax(18rem, 1fr) minmax(12rem, .4fr) auto; gap: .8rem; align-items: end; }
.template-filter-form label { display: grid; gap: .3rem; color: var(--muted); font-size: .8rem; font-weight: 750; }
.template-filter-form input, .template-filter-form select { width: 100%; padding: .62rem .7rem; border: 1px solid var(--line); border-radius: .5rem; color: var(--ink); background: #fff; font: inherit; }
.template-empty-state { margin-top: 1rem; }
.template-card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr)); gap: 1rem; margin-bottom: 3rem; }
.template-card { display: grid; align-content: start; gap: .8rem; padding: 1.25rem; }
.template-card h2, .template-card p { margin: 0; }
.template-card p { color: var(--muted); line-height: 1.5; }
.template-card .button { justify-self: start; margin-top: auto; }
.template-card-topline { display: flex; justify-content: space-between; gap: .5rem; color: var(--muted); font-size: .76rem; font-weight: 750; text-transform: uppercase; letter-spacing: .04em; }
.template-category { color: var(--accent-dark); }
.template-tags { display: flex; flex-wrap: wrap; gap: .4rem; padding: 0; margin: .2rem 0; list-style: none; }
.template-tags li { padding: .25rem .5rem; border-radius: 999px; background: var(--accent-soft); color: var(--accent-dark); font-size: .75rem; font-weight: 700; }
.template-card-counts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .5rem; margin: .25rem 0; }
.template-card-counts div { display: grid; gap: .12rem; }
.template-card-counts dt { color: var(--muted); font-size: .7rem; text-transform: uppercase; }
.template-card-counts dd { margin: 0; font-size: .88rem; font-weight: 750; }
.template-use-button { flex: 0 0 auto; }
.template-detail-layout { display: grid; grid-template-columns: 18rem minmax(0, 1fr); gap: 1rem; align-items: start; margin-bottom: 3rem; }
.template-detail-layout .card-panel { padding: 1.2rem; }
.template-version-panel { position: sticky; top: 1rem; }
.template-version-panel h2 { margin-top: .2rem; }
.template-version-list { display: grid; gap: .5rem; }
.template-version-list a { display: grid; gap: .2rem; padding: .7rem; border: 1px solid var(--line); border-radius: .6rem; color: var(--ink); text-decoration: none; }
.template-version-list a:hover, .template-version-list a.selected { border-color: #9ccfc3; background: var(--accent-soft); }
.template-version-list span, .template-version-list small { color: var(--muted); }
.template-detail-content { min-width: 0; display: grid; gap: 1rem; }
.template-detail-heading { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.template-detail-heading h2 { margin-top: .15rem; }
.template-immutable-badge { display: inline-flex; padding: .35rem .6rem; border-radius: 999px; background: #def2e7; color: #126b3b; font-size: .78rem; font-weight: 800; }
.template-evidence-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .7rem; }
.template-evidence-grid div { display: grid; gap: .15rem; padding: .7rem; border-radius: .55rem; background: var(--paper); }
.template-evidence-grid dt { color: var(--muted); font-size: .72rem; text-transform: uppercase; }
.template-evidence-grid dd { margin: 0; font-weight: 700; overflow-wrap: anywhere; }
.template-assumptions { margin: 1rem 0; padding: .8rem; border-left: .2rem solid var(--accent); background: #f1f8f6; }
.template-assumptions p { margin-bottom: 0; white-space: pre-wrap; }
.template-integrity-record { margin-top: 1rem; }
.template-integrity-record summary { cursor: pointer; color: var(--accent-dark); font-weight: 750; }
.template-integrity-record dl { display: grid; gap: .5rem; }
.template-integrity-record dl div { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: .7rem; }
.template-integrity-record dt { color: var(--muted); }
.template-integrity-record dd { margin: 0; overflow-wrap: anywhere; }
.template-preview-sheet { margin-top: 1rem; margin-left: var(--template-indent); padding: 1rem; border: 1px solid var(--line); border-radius: .7rem; background: var(--background); }
.template-preview-sheet header span { color: var(--accent-dark); font-size: .72rem; font-weight: 800; text-transform: uppercase; }
.template-preview-sheet header h3 { margin: .2rem 0; }
.template-preview-sheet header p { color: var(--muted); }
.template-row-preview-scroll { overflow-x: auto; }
.template-row-preview { width: 100%; min-width: 45rem; border-collapse: collapse; font-size: .86rem; }
.template-row-preview th, .template-row-preview td { padding: .5rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.template-row-preview code { overflow-wrap: anywhere; }
.template-hash-summary { margin-top: 1rem; color: var(--muted); font-size: .8rem; }
.template-hash-summary code { color: var(--ink); }

@media (max-width: 800px) {
    .template-publish-layout, .template-detail-layout, .template-filter-form { grid-template-columns: 1fr; }
    .template-source-summary { position: static; }
    .template-version-panel { position: static; }
    .template-library-header, .template-detail-header { align-items: stretch; flex-direction: column; }
    .template-use-button { align-self: start; }
    .template-evidence-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .template-preview-sheet { margin-left: 0; }
}
.proposal-actions { position: sticky; top: 1rem; display: grid; gap: 1rem; }
.proposal-actions form { margin: 0; }
.proposal-actions .button, .proposal-actions .button-secondary { width: 100%; }
.proposal-actions details { padding: .8rem; border: 1px solid var(--line); border-radius: .65rem; }
.proposal-actions summary { cursor: pointer; font-weight: 700; }
.proposal-difference { padding: 1rem 0; border-top: 1px solid var(--line); }
.proposal-difference > header { display: flex; justify-content: space-between; gap: 1rem; align-items: center; text-transform: capitalize; }
.proposal-before-after { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; margin-top: .75rem; }
.proposal-before-after > div { display: grid; gap: .3rem; align-content: start; padding: .8rem; border-radius: .6rem; background: var(--paper); overflow-wrap: anywhere; }
.proposal-before-after span { color: var(--muted); font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.proposal-before-after p, .proposal-before-after code { margin: 0; white-space: pre-wrap; }
.validation-pass { display: inline-flex; padding: .55rem .75rem; border-radius: .55rem; background: #e8f5f1; color: #0b5e4c; font-weight: 700; }
.diagnostic-list { display: grid; gap: .55rem; padding: 0; list-style: none; }
.diagnostic-list li { display: grid; gap: .25rem; padding: .65rem; border-radius: .55rem; background: #fff0ec; }
.proposal-impacts table { width: 100%; border-collapse: collapse; }
.proposal-impacts th, .proposal-impacts td { padding: .6rem; border-bottom: 1px solid var(--line); text-align: left; }
.proposal-closed { padding: .75rem; border-radius: .6rem; background: var(--paper); }
.revision-actions { position: sticky; top: 1rem; padding: 1.2rem; }
.revision-actions h2 { margin-top: 0; }
.revision-actions hr { margin: 1.4rem 0; border: 0; border-top: 1px solid var(--line); }
.small-copy { color: var(--muted); font-size: .88rem; line-height: 1.5; }
.sheet-difference { margin-top: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: .7rem; }
.sheet-difference h3 { margin-top: 0; }
.sheet-difference li { display: grid; grid-template-columns: 6rem 1fr; gap: .5rem; margin: .45rem 0; }
.sheet-difference code { grid-column: 2; overflow-wrap: anywhere; }
.difference { padding: .2rem .4rem; border-radius: .35rem; background: #fff2d6; color: #745314; font-size: .72rem; text-transform: uppercase; }
.revision-sheet { margin-top: 1.4rem; }
.revision-sheet h3 { padding-bottom: .5rem; border-bottom: 1px solid var(--line); }
.calculation-table.readonly td:nth-child(3) { overflow-wrap: anywhere; }
.check-records li { display: grid; gap: .2rem; padding: .65rem; border-left: .2rem solid var(--accent); background: #f0f9f6; }
.check-records small { color: var(--muted); }
.content-provenance { margin: 1rem 0; padding: 1rem; border-color: #bddbd3; background: #f5fbf9; }
.content-provenance > header { display: flex; justify-content: space-between; gap: 1rem; align-items: start; }
.content-provenance > header h2, .content-provenance > header p { margin: 0; }
.content-provenance > header > span { color: var(--muted); font-size: .78rem; font-weight: 750; }
.content-provenance-explanation { max-width: 76rem; color: var(--muted); font-size: .88rem; }
.content-provenance ol { display: grid; gap: .7rem; margin: .8rem 0 0; padding: 0; list-style: none; }
.content-provenance li { padding: .8rem; border: 1px solid #d3e8e2; border-radius: .65rem; background: #fff; }
.content-provenance li p { margin: .45rem 0; }
.content-provenance-heading { display: flex; justify-content: space-between; gap: 1rem; }
.content-provenance-heading span { color: var(--muted); font-size: .8rem; }
.content-provenance dl { display: flex; flex-wrap: wrap; gap: .45rem 1.2rem; margin: .5rem 0 0; }
.content-provenance dl div { display: flex; gap: .35rem; }
.content-provenance dt { color: var(--muted); font-size: .74rem; }
.content-provenance dd { margin: 0; font-size: .78rem; font-weight: 700; }
.content-provenance-warning { color: #8a4b0f; font-weight: 700; }

@media (max-width: 1440px) {
    .calculation-layout { grid-template-columns: 13rem minmax(0, 1fr); }
}

@media (max-width: 820px) {
    .landing-hero, .workspace-grid, .revision-layout, .proposal-header, .proposal-layout, .calculation-layout { grid-template-columns: 1fr; }
    .calculation-layout { grid-template-areas: "tree" "evidence" "editor"; grid-template-columns: minmax(0, 1fr); }
    .calculation-sidebar { display: contents; }
    .sheet-tree-panel { grid-area: tree; }
    .revision-panel { grid-area: evidence; }
    .proposal-actions { position: static; }
    .proposal-before-after { grid-template-columns: 1fr; }
    .hero-visual { min-height: 24rem; }
    .sheet-tree-panel, .revision-panel, .revision-actions { grid-column: auto; }
    .document-metadata-grid { grid-template-columns: 1fr; }
    .document-metadata-grid .metadata-wide, .document-metadata-grid .metadata-full { grid-column: auto; }
    .section-heading-row, .calculation-header, .revision-header, .sheet-editor-heading { align-items: stretch; flex-direction: column; }
    .section-heading-row, .calculation-header, .revision-header, .sheet-editor-heading, .project-list-item { display: flex; }
    .project-list-item { align-items: stretch; flex-direction: column; }
    .project-item-actions { justify-content: start; }
    .inherited-values > summary { align-items: flex-start; }
    .revision-metadata { grid-template-columns: 1fr 1fr; }
    .ai-assistant-header, .ai-welcome, .ai-conversation-heading, .ai-quote { align-items: stretch; flex-direction: column; }
    .ai-assistant-state { justify-items: start; }
    .ai-assistant-body { grid-template-columns: 1fr; }
    .ai-context-panel { border-top: 1px solid #c7e3dc; border-left: 0; }
    .ai-prompt-shell { grid-template-columns: 1fr; }
    .ai-quote-cost { justify-items: start; }
    .content-provenance-heading, .content-provenance > header { flex-direction: column; }
}

@media (max-width: 540px) {
    .site-header, footer { align-items: flex-start; flex-direction: column; padding-block: 1rem; }
    .site-header nav { flex-wrap: wrap; }
    .project-search, .calculation-controls { align-items: stretch; flex-direction: column; }
    .revision-metadata { grid-template-columns: 1fr; }
    .formula-sheet { transform: none; }
    .formula-sheet-back { display: none; }
    .formula-sheet-footer { flex-wrap: wrap; }
}

.status-grid {
    display: grid;
    grid-template-columns: minmax(12rem, 1fr) 1fr;
    gap: .5rem 1rem;
}

.status-grid dt { font-weight: 750; }
.status-grid dd { margin: 0; }

.member-access-list { display: grid; gap: 1rem; margin: 1rem 0 2rem; }
.member-access-card { padding: 1rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--panel); box-shadow: 0 .35rem 1rem rgba(20, 32, 61, .05); }
.member-access-card.is-suspended { border-color: #d8cbb4; background: #fbfaf6; }
.member-access-card > header { display: flex; align-items: start; justify-content: space-between; gap: 1rem; margin-bottom: .9rem; }
.member-access-card h3, .member-access-card header p { margin: 0; }
.member-access-card header p { margin-top: .15rem; color: var(--muted); font-size: .86rem; }
.membership-status { display: inline-flex; padding: .3rem .55rem; border-radius: 999px; background: #def2e7; color: #126b3b; font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.membership-status.status-suspended { background: #eee8dc; color: #735b31; }
.member-access-form { display: grid; grid-template-columns: minmax(12rem, 1fr) minmax(14rem, 1.2fr) minmax(10rem, .7fr) auto; gap: .8rem; align-items: end; }
.member-access-form > label:not(.billing-access-option) { display: grid; gap: .3rem; color: var(--muted); font-size: .76rem; font-weight: 750; }
.member-access-form select { width: 100%; padding: .58rem .65rem; border: 1px solid var(--line); border-radius: .5rem; color: var(--ink); background: #fff; font: inherit; }
.member-access-form strong { color: var(--ink); font-size: .95rem; }
.member-access-form small { max-width: 18rem; font-weight: 500; line-height: 1.35; }
.billing-access-option { display: flex; align-items: center; gap: .45rem; min-height: 2.5rem; font-size: .85rem; font-weight: 700; }
.billing-access-option input { width: auto; }
.member-access-form button.secondary { padding: .65rem .8rem; border: 1px solid var(--line); border-radius: .55rem; }
.member-deactivation { margin-top: .8rem; padding-top: .7rem; border-top: 1px solid var(--line); }
.member-deactivation summary { cursor: pointer; color: #8c2f24; font-size: .82rem; font-weight: 750; }
.member-deactivation p { color: var(--muted); font-size: .82rem; }
.member-reactivation { margin-top: .8rem; }
.member-reactivation .button { border: 0; cursor: pointer; font: inherit; }
.protected-member-access { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .6rem; }
.protected-member-access div { display: grid; gap: .15rem; padding: .6rem; border-radius: .5rem; background: var(--paper); }
.protected-member-access dt { color: var(--muted); font-size: .7rem; text-transform: uppercase; }
.protected-member-access dd { margin: 0; font-weight: 700; }
.template-view-switcher { display: flex; gap: .45rem; margin: 1rem 0; }
.template-view-switcher a { display: inline-flex; gap: .45rem; padding: .55rem .8rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); text-decoration: none; font-weight: 750; }
.template-view-switcher a.selected { border-color: var(--accent); color: var(--accent-strong); background: #eaf7f3; }
.template-view-switcher span { min-width: 1.3rem; text-align: center; }
.template-archived-badge { display: inline-flex; align-self: center; padding: .5rem .75rem; border-radius: 999px; background: #eee8dc; color: #735b31; font-size: .78rem; font-weight: 800; text-transform: uppercase; }
.template-lifecycle-controls { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.template-lifecycle-controls h3 { margin: 0; }
.template-lifecycle-controls p { color: var(--muted); font-size: .82rem; line-height: 1.45; }
.template-lifecycle-controls form { margin: 0; }
.template-lifecycle-controls button { width: 100%; }
.template-superseded-note { padding: .7rem; border-radius: .55rem; background: #fff7e6; color: #6d531e; font-size: .86rem; }
.test-mode-banner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: 1rem 0; padding: .8rem 1rem; border: 1px solid #d8bd69; border-radius: .7rem; background: #fff8df; color: #695016; }
.test-mode-banner strong { text-transform: uppercase; letter-spacing: .05em; }
.billing-checkout-form { display: grid; grid-template-columns: repeat(2, minmax(10rem, 1fr)) auto; gap: .8rem; align-items: end; margin: 1rem 0; }
.billing-checkout-form label { display: grid; gap: .3rem; color: var(--muted); font-size: .78rem; font-weight: 750; }
.billing-checkout-form input, .billing-checkout-form select { width: 100%; padding: .62rem .7rem; border: 1px solid var(--line); border-radius: .55rem; background: #fff; color: var(--ink); font: inherit; }
.project-access-choice { padding: .75rem; border: 1px solid var(--line); border-radius: .7rem; background: var(--paper); }
.project-access-choice summary { cursor: pointer; color: var(--accent-strong); font-weight: 800; }
.project-access-choice[open] { display: grid; gap: .55rem; }
.project-access-summary { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; margin-top: .7rem; }
.status-pill { display: inline-flex; align-items: center; min-height: 2rem; padding: .35rem .7rem; border: 1px solid var(--line); border-radius: 999px; background: var(--accent-soft); color: var(--accent-strong); font-size: .76rem; font-weight: 800; }
.project-access-page { display: grid; gap: 1.2rem; }
.project-access-mode { display: grid; gap: .6rem; }
.project-access-mode h2, .project-role-section h2 { margin-bottom: 0; }
.project-access-mode form { max-width: 44rem; }
.project-role-list { display: grid; gap: .8rem; }
.project-role-card { padding: 1rem; border: 1px solid var(--line); border-radius: .85rem; background: #fff; box-shadow: 0 .35rem 1rem rgb(30 48 76 / 6%); }
.project-role-card > header { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.project-role-card h3, .project-role-card p { margin: 0; }
.project-role-card > header > span { color: var(--muted); font-size: .78rem; font-weight: 750; }
.project-role-form { display: grid; grid-template-columns: minmax(16rem, 1fr) auto; gap: .8rem; align-items: end; margin-top: .8rem; }
.project-role-form label { display: grid; gap: .3rem; color: var(--muted); font-size: .76rem; font-weight: 750; }
.project-role-form select { width: 100%; padding: .58rem .65rem; border: 1px solid var(--line); border-radius: .5rem; color: var(--ink); background: #fff; font: inherit; }

@media (max-width: 900px) {
    .member-access-form { grid-template-columns: 1fr 1fr; }
    .site-header { align-items: flex-start; padding-block: 1rem; }
    .site-navigation { align-items: flex-end; flex-direction: column-reverse; gap: .7rem; }
    .account-navigation { padding-left: 0; border-left: 0; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .trial-offer { grid-template-columns: 1fr; }
    .billing-checkout-form { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
    .member-access-form, .protected-member-access, .project-role-form { grid-template-columns: 1fr; }
    .member-access-card > header, .project-role-card > header { flex-direction: column; }
}

@media (max-width: 720px) {
    .site-header { align-items: flex-start; padding-block: 1rem; }
    .site-header nav { flex-wrap: wrap; justify-content: flex-end; }
    .brand-copy { display: grid; margin: 0; }
    .hero { min-height: auto; padding-block: 4rem; }
    .foundation { grid-template-columns: 1fr; gap: 1.5rem; padding: 1.5rem; }
    .product-navigation { flex-wrap: wrap; justify-content: flex-end; }
    .home-proof, .feature-grid, .support-grid, .credit-preview { grid-template-columns: 1fr; }
    .example-card { grid-template-columns: 1fr; }
    .public-callout, .pricing-action { align-items: flex-start; flex-direction: column; }
    .trial-offer ul { grid-template-columns: 1fr; }
    .catalogue-notice { align-items: flex-start; flex-direction: column; }
    .account-heading, .data-export-panel, .account-security-callout { align-items: flex-start; flex-direction: column; }
    .account-two-column, .account-action-grid { grid-template-columns: 1fr; }
    .session-list li { align-items: flex-start; flex-direction: column; }
    .usage-grid { grid-template-columns: 1fr 1fr; }
    .entitlement-panel, .shadow-plan { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 520px) {
    .pricing-grid { grid-template-columns: 1fr; }
    .site-navigation { width: 100%; align-items: flex-start; }
    .product-navigation { justify-content: flex-start; }
    .usage-grid { grid-template-columns: 1fr; }
    .recovery-code-list { grid-template-columns: 1fr; }
}

.support-case-layout,
.support-admin-layout,
.support-control-grid,
.support-admin-detail,
.support-case-list,
.case-history {
    display: grid;
    gap: 1rem;
}

.support-case-layout { grid-template-columns: minmax(16rem, .8fr) minmax(20rem, 1.2fr); align-items: start; }
.support-create-panel { grid-column: 1 / -1; }
.support-create-panel-primary { grid-column: 2; grid-row: 1; }
.support-admin-layout { grid-template-columns: minmax(16rem, 22rem) minmax(0, 1fr); align-items: start; }
.support-case-list, .case-history { list-style: none; margin: 0; padding: 0; }
.support-control-grid { grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }

.support-case-list a,
.case-history li,
.support-action-row {
    display: flex;
    gap: .65rem;
    justify-content: space-between;
    padding: .8rem;
    border: 1px solid var(--line);
    border-radius: .8rem;
    background: var(--accent-soft);
}

.support-case-list a,
.case-history li > *,
.support-action-row > div { display: grid; gap: .25rem; }
.case-description { white-space: pre-wrap; padding: 1rem; border-left: .25rem solid var(--accent); background: var(--accent-soft); }
.support-create-intro { max-width: 50rem; }
.support-case-form, .support-update-form { display: grid; gap: 1rem; max-width: 54rem; margin-top: 1.25rem; }
.support-form-grid { display: grid; grid-template-columns: minmax(12rem, .65fr) minmax(18rem, 1.35fr); gap: 1rem; }
.support-field { display: grid; gap: .45rem; min-width: 0; }
.support-field-wide { grid-column: 1 / -1; }
.support-field label, .support-update-form label { color: var(--ink); font-weight: 750; }
.support-case-form input,
.support-case-form select,
.support-case-form textarea,
.support-update-form textarea {
    width: 100%;
    min-height: 2.8rem;
    padding: .7rem .8rem;
    border: 1px solid #aab8b1;
    border-radius: .5rem;
    color: var(--ink);
    background: #fff;
    font: inherit;
}
.support-case-form textarea, .support-update-form textarea { min-height: 9rem; resize: vertical; line-height: 1.55; }
.support-update-form textarea { min-height: 7rem; }
.support-case-form input:focus,
.support-case-form select:focus,
.support-case-form textarea:focus,
.support-update-form textarea:focus { outline: 3px solid rgba(49, 87, 213, .2); border-color: var(--accent); }
.support-data-note { padding: .9rem 1rem; border: 1px solid #efd59c; border-radius: .65rem; color: #695016; background: #fff8e9; line-height: 1.55; }
.support-data-note strong { display: block; margin-bottom: .15rem; }
.support-case-form .button, .support-update-form .button { justify-self: start; border: 0; cursor: pointer; font: inherit; }
.support-control-grid form { padding: .9rem; border: 1px solid var(--line); border-radius: .8rem; }
.support-action-row form { min-width: 12rem; }
.abandonment-warning { display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; border-color: #d8bd69; background: #fff8df; }
.abandonment-warning h2 { margin-top: 0; color: #695016; }
.abandonment-warning form { flex: 0 0 auto; }

@media (max-width: 760px) {
    .support-case-layout, .support-admin-layout { grid-template-columns: 1fr; }
    .support-create-panel, .support-create-panel-primary, .support-field-wide { grid-column: auto; grid-row: auto; }
    .support-form-grid { grid-template-columns: 1fr; }
    .support-action-row { flex-direction: column; }
    .abandonment-warning { align-items: flex-start; flex-direction: column; }
}