:root {
    color-scheme: light;
    --ink: #14241d;
    --muted: #69756f;
    --paper: #f5f4ee;
    --card: #fffefa;
    --green: #193e2f;
    --green-soft: #dce9df;
    --coral: #ef795d;
    --amber: #f1c66f;
    --blue: #99c6d5;
    --line: #dedfd8;
    --shadow: 0 18px 45px rgba(22, 47, 36, .10);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --ink: #edf5ef; --muted: #aab8b0; --paper: #0f1814; --card: #18231e;
    --green: #9ad3b1; --green-soft: #263d31; --line: #34443b; --shadow: 0 18px 45px rgba(0,0,0,.28);
}
@media (prefers-color-scheme: dark) {
    html[data-theme="system"] { color-scheme: dark; --ink:#edf5ef; --muted:#aab8b0; --paper:#0f1814; --card:#18231e; --green:#9ad3b1; --green-soft:#263d31; --line:#34443b; --shadow:0 18px 45px rgba(0,0,0,.28); }
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--paper); }
body { min-height: 100%; margin: 0; color: var(--ink); background: radial-gradient(circle at 85% 0, #e6efe7 0, transparent 30rem), var(--paper); }
button, input, textarea, select { font: inherit; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }
.app-shell { --topbar-sticky-offset: calc(3.7rem + 1px + env(safe-area-inset-top)); width: min(100%, 48rem); min-height: 100vh; margin: 0 auto; background: rgba(245, 244, 238, .72); }
.main { padding: 1.2rem 1rem calc(7rem + env(safe-area-inset-bottom)); }
.auth-main { min-height: 100vh; display: grid; place-items: center; padding-bottom: 2rem; }
.topbar { position: sticky; z-index: 10; top: 0; display: flex; align-items: center; justify-content: space-between; padding: calc(.75rem + env(safe-area-inset-top)) 1rem .75rem; background: rgba(245,244,238,.88); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(222,223,216,.7); }
.brand { display: inline-flex; gap: .65rem; align-items: center; color: var(--ink); font-weight: 800; text-decoration: none; letter-spacing: -.02em; }
.brand-mark { display: grid; width: 2.2rem; height: 2.2rem; place-items: center; color: #fff; background: var(--green); border-radius: .8rem; box-shadow: 0 8px 20px rgba(25,62,47,.2); }
.topbar-actions { display: flex; gap: .45rem; align-items: center; }
.stage-pill, .tag { padding: .35rem .65rem; border-radius: 999px; font-size: .72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; text-decoration: none; background: var(--green-soft); color: var(--green); }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; margin: .6rem 0 1.25rem; }
.page-head h1, .auth-card h1, .empty-state h1 { margin: .15rem 0 .4rem; font-size: clamp(2rem, 10vw, 3.2rem); line-height: .98; letter-spacing: -.055em; }
.eyebrow { margin: 0 0 .25rem; color: #6c7d74; font-size: .73rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.muted { color: var(--muted); }
.dashboard-head { align-items: center; }
.icon-button { width: 2.85rem; height: 2.85rem; border: 1px solid var(--line); border-radius: 50%; color: var(--ink); background: var(--card); font-size: 1.25rem; cursor: pointer; }
.hero-card { padding: 1.35rem; border-radius: 1.6rem; color: #fff; background: linear-gradient(145deg, #214b3a, #112d23); box-shadow: var(--shadow); }
.hero-card h2 { margin: .7rem 0 .45rem; font-size: 1.9rem; letter-spacing: -.04em; }
.hero-card p { margin: 0 0 1.25rem; color: #dce8e0; line-height: 1.5; }
.hero-meta, .hero-stats { display: flex; justify-content: space-between; gap: .8rem; align-items: center; }
.hero-card .tag { color: #163629; background: #b8dfc5; }
.hero-stats { justify-content: flex-start; margin: 1rem 0; padding: 1rem 0; border-top: 1px solid rgba(255,255,255,.15); }
.hero-stats span { min-width: 7rem; color: #d5e0da; font-size: .8rem; }
.hero-stats strong { display: block; color: #fff; font-size: 1.35rem; }
.button { display: inline-flex; min-height: 3rem; padding: .8rem 1rem; align-items: center; justify-content: center; gap: .5rem; border: 0; border-radius: .9rem; font-weight: 800; text-decoration: none; cursor: pointer; }
.button-wide { width: 100%; }
.button-primary { color: #fff; background: var(--green); }
.button-light { color: var(--green); background: #f7fff8; }
.section-block { margin-top: 2rem; }
.section-title { display: flex; align-items: end; justify-content: space-between; margin: 0 0 .8rem; }
.section-title h2 { margin: 0; font-size: 1.25rem; letter-spacing: -.03em; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .65rem; }
.metric-card { min-width: 0; padding: .95rem .8rem; border: 1px solid var(--line); border-radius: 1.1rem; background: var(--card); }
.metric-card span, .metric-card small { display: block; overflow: hidden; color: var(--muted); font-size: .72rem; text-overflow: ellipsis; white-space: nowrap; }
.metric-card strong { display: block; margin: .25rem 0; font-size: 1.45rem; letter-spacing: -.04em; }
.metric-card.accent { background: var(--amber); border-color: transparent; }
.action-list { overflow: hidden; border: 1px solid var(--line); border-radius: 1.25rem; background: var(--card); }
.action-list a { display: grid; grid-template-columns: 2.7rem 1fr auto; gap: .8rem; align-items: center; min-height: 4.5rem; padding: .75rem; text-decoration: none; border-bottom: 1px solid var(--line); }
.action-list a:last-child { border-bottom: 0; }
.action-list strong, .action-list small { display: block; }
.action-list small { margin-top: .2rem; color: var(--muted); }
.action-list b { color: #849088; font-size: 1.5rem; }
.action-icon { display: grid; width: 2.7rem; height: 2.7rem; place-items: center; border-radius: .85rem; font-size: 1.25rem; }
.coral { background: #f8d2c9; }.green { background: var(--green-soft); }.amber { background: #fae7b8; }.blue { background: #d9edf2; }
.alert { display: flex; flex-direction: column; gap: .2rem; margin: 0 0 1rem; padding: 1rem; border-radius: 1rem; background: #ffebd0; }
.alert-error { color: #7f241d; background: #ffe2de; }
.auth-card, .card { width: 100%; padding: 1.3rem; border: 1px solid var(--line); border-radius: 1.5rem; background: rgba(255,254,250,.94); box-shadow: var(--shadow); }
.auth-card { max-width: 28rem; }
.auth-brand { margin-bottom: 2rem; }
.stack-form { display: grid; gap: 1rem; margin-top: 1.4rem; }
label { display: grid; gap: .4rem; font-size: .85rem; font-weight: 700; }
input, textarea, select { width: 100%; min-height: 3rem; padding: .75rem .85rem; border: 1px solid #cfd3cd; border-radius: .8rem; color: var(--ink); background: #fff; font-size: 16px; }
input:focus, textarea:focus, select:focus { outline: 3px solid rgba(25,62,47,.15); border-color: var(--green); }
.auth-switch { margin: 1.25rem 0 0; color: var(--muted); text-align: center; }
.auth-switch a { color: var(--green); font-weight: 800; }
.bottom-nav { position: fixed; z-index: 20; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(5, 1fr); width: min(100%, 48rem); margin: auto; padding: .55rem .35rem calc(.55rem + env(safe-area-inset-bottom)); background: rgba(255,254,250,.96); border-top: 1px solid var(--line); backdrop-filter: blur(18px); }
.bottom-nav a { display: grid; gap: .15rem; place-items: center; min-height: 3.2rem; color: #738078; text-decoration: none; }
.bottom-nav a span { font-size: 1.3rem; }.bottom-nav a small { font-size: .68rem; }.bottom-nav .active { color: var(--green); font-weight: 800; }
.bottom-nav .nav-primary span { display: grid; width: 2.35rem; height: 2.35rem; place-items: center; margin-top: -1.4rem; border-radius: 50%; color: #fff; background: var(--coral); box-shadow: 0 7px 18px rgba(239,121,93,.35); }
.plan-list { display: grid; gap: .7rem; }
.plan-item { display: grid; grid-template-columns: 2.4rem 1fr; gap: .75rem; padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--card); }
.plan-index { display: grid; width: 2.35rem; height: 2.35rem; place-items: center; border-radius: .75rem; color: var(--green); background: var(--green-soft); font-weight: 800; }
.plan-item h3 { margin: 0 0 .3rem; }.plan-item p { margin: 0; color: var(--muted); line-height: 1.45; }
.coach-note, .stage-note { margin: 0 0 1rem; }.coach-note { padding: 1rem; border-left: .3rem solid var(--coral); background: #fff1ec; }
.stage-note { margin-top: 1rem; box-shadow: none; }.stage-note h2 { margin: .2rem 0; }
.empty-state { max-width: 34rem; margin: 12vh auto 0; text-align: center; }.empty-state p { color: var(--muted); line-height: 1.55; }.empty-state .button { margin-top: .6rem; }
.button-quiet { color: var(--green); background: var(--green-soft); }
.alert-success { color: #17442f; background: #dcefe2; }
.upload-card { display: grid; gap: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: 1.4rem; background: var(--card); }
.file-drop { position: relative; min-height: 13rem; padding: 2rem; place-items: center; align-content: center; border: 2px dashed #aebbb3; border-radius: 1.1rem; text-align: center; }
.file-drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.file-drop small, .format-help { color: var(--muted); font-weight: 400; line-height: 1.5; }
.upload-glyph { font-size: 2.4rem; }.format-help { margin: 1rem .2rem; font-size: .82rem; }
.preview-card h2 { margin: 1rem 0 .2rem; font-size: 1.8rem; }.preview-card .dark { border-color: var(--line); }.preview-card .dark span { color: var(--muted); }.preview-card .dark strong { color: var(--ink); }
.version-reason { padding: .8rem; border-radius: .8rem; background: #f2f1eb; line-height: 1.4; }
.preview-exercises { overflow: hidden; margin: 1rem 0; border: 1px solid var(--line); border-radius: 1rem; }
.preview-exercises > div { display: grid; grid-template-columns: 2rem 1fr; gap: .6rem; padding: .75rem; border-bottom: 1px solid var(--line); }.preview-exercises > div:last-child { border: 0; }.preview-exercises > div > span { display: grid; width: 1.8rem; height: 1.8rem; place-items: center; border-radius: .6rem; background: var(--green-soft); font-weight: 800; }.preview-exercises p,.preview-exercises small { display: block; margin: 0; }.preview-exercises small { margin-top: .2rem; color: var(--muted); }
.unknown-list { display: grid; gap: .45rem; padding: 1rem; border-radius: 1rem; background: #fff0d2; }.check-row { grid-template-columns: auto 1fr; align-items: center; }.check-row input { width: 1.4rem; min-height: 1.4rem; }.cancel-form { margin-top: .75rem; }
.program-heading { margin: 2rem 0 .8rem; }.program-heading h2 { margin: .2rem 0; }.version-card { display: grid; grid-template-columns: 3.2rem 1fr; gap: .8rem; margin-bottom: .65rem; padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--card); }.version-badge { display: grid; width: 3rem; height: 3rem; place-items: center; border-radius: .9rem; color: #fff; background: var(--green); font-weight: 800; }.version-card p { margin: .3rem 0; }.version-card small { display: block; color: var(--muted); }.version-card .trainer-comment { margin-top: .45rem; }
.exercise-create { margin-bottom: 1rem; box-shadow: none; }.exercise-create summary { cursor: pointer; font-weight: 800; }.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.exercise-directory { display: grid; gap: .7rem; }.exercise-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--card); }.exercise-row.is-inactive { opacity: .65; }.exercise-row h2 { margin: .5rem 0 .2rem; font-size: 1.1rem; }.exercise-row p { margin: .4rem 0 0; color: var(--muted); font-size: .82rem; }.exercise-tags { display: flex; gap: .5rem; align-items: center; font-size: .72rem; }.exercise-settings { display: grid; grid-template-columns: 5.5rem 6.5rem 7rem; gap: .45rem; align-items: end; }.exercise-settings label { font-size: .7rem; }.exercise-settings .button { grid-column: 1/-1; min-height: 2.5rem; }.global-step { min-width: 6rem; text-align: right; }.global-step small,.global-step strong { display: block; }.global-step small { color: var(--muted); }.plan-origin { font-size: .8rem; color: var(--muted); }

/* Stage 6: bounded history, analytics and measurement charts. */
.filter-panel { margin-bottom: 1rem; padding: 1rem; box-shadow: none; }
.filter-panel > summary, .form-disclosure > summary { cursor: pointer; font-weight: 800; }
.filter-panel > summary { display: flex; justify-content: space-between; gap: 1rem; }
.filter-panel > summary span { color: var(--muted); font-size: .78rem; font-weight: 600; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .7rem; }
.button-row { display: flex; flex-wrap: wrap; gap: .6rem; }
.form-disclosure { margin-bottom: 1.25rem; }
.form-disclosure > .card { box-shadow: none; }
.timeline, .data-list, .exercise-history { display: grid; gap: .7rem; }
.timeline-item { display: grid; grid-template-columns: 5rem minmax(0,1fr) auto; gap: .8rem; align-items: center; min-width: 0; padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--card); text-decoration: none; }
.timeline-item time, .timeline-item time small { display: block; }.timeline-item time { font-weight: 800; }.timeline-item time small { margin-top: .15rem; color: var(--muted); font-size: .75rem; font-weight: 500; }
.timeline-item h3 { overflow: hidden; margin: 0 0 .25rem; font-size: 1rem; text-overflow: ellipsis; white-space: nowrap; }.timeline-item p { margin: 0; color: var(--muted); font-size: .8rem; }
.pagination { display: grid; grid-template-columns: 1fr auto 1fr; gap: .5rem; align-items: center; margin-top: 1rem; font-size: .8rem; text-align: center; }.pagination a:last-child { justify-self: end; }
.empty-state.compact { width: 100%; max-width: none; margin: 0; padding: 1.4rem; border: 1px dashed var(--line); border-radius: 1rem; background: rgba(255,255,255,.45); }.empty-state.compact h2 { margin: 0; }
.data-list article { padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--card); }.data-list article time,.data-list article strong,.data-list article small { display: block; }.data-list article time,.data-list article small { color: var(--muted); font-size: .78rem; }.data-list article strong { margin: .25rem 0; }.data-list article p { margin: .35rem 0; color: var(--muted); line-height: 1.45; }
.analytics-metrics { grid-template-columns: repeat(5,minmax(0,1fr)); }.analytics-metrics .metric-card { padding-inline: .65rem; }
.charts-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .75rem; }
.chart-card { min-width: 0; padding: 1rem; border: 1px solid var(--line); border-radius: 1.15rem; background: var(--card); }
.chart-head { display: flex; justify-content: space-between; gap: .6rem; align-items: baseline; }.chart-head h3 { margin: 0; font-size: 1rem; }.chart-head span { color: var(--green); font-weight: 800; }
.line-chart { display: block; width: 100%; height: 11rem; margin-top: .7rem; overflow: visible; }
.line-chart line { stroke: #d9ddd7; stroke-width: .6; vector-effect: non-scaling-stroke; }.line-chart polyline { fill: none; stroke: var(--green); stroke-linecap: round; stroke-linejoin: round; stroke-width: 2.3; vector-effect: non-scaling-stroke; }.line-chart circle { fill: var(--coral); stroke: var(--card); stroke-width: 1; vector-effect: non-scaling-stroke; }
.chart-scale { display: flex; justify-content: space-between; color: var(--muted); font-size: .7rem; }.chart-data { margin-top: .7rem; color: var(--muted); font-size: .76rem; }.chart-data summary { cursor: pointer; }.table-scroll { max-height: 14rem; overflow: auto; }.chart-data table { width: 100%; margin-top: .4rem; border-collapse: collapse; }.chart-data th,.chart-data td { padding: .35rem; border-bottom: 1px solid var(--line); text-align: left; }.chart-data th:last-child,.chart-data td:last-child { text-align: right; }
.bar-list { display: grid; gap: .75rem; padding: 1rem; border: 1px solid var(--line); border-radius: 1.1rem; background: var(--card); }.bar-row > div { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: .3rem; }.bar-row progress { width: 100%; height: .65rem; accent-color: var(--green); }
.record-list { overflow: hidden; border: 1px solid var(--line); border-radius: 1.1rem; background: var(--card); }.record-list > a { display: grid; grid-template-columns: 2.3rem minmax(0,1fr) auto; gap: .7rem; align-items: center; padding: .8rem; border-bottom: 1px solid var(--line); text-decoration: none; }.record-list > a:last-child { border-bottom: 0; }.record-list small { display: block; margin-top: .15rem; color: var(--muted); }.record-icon { display: grid; width: 2.2rem; height: 2.2rem; place-items: center; border-radius: .7rem; color: #835116; background: #fae7b8; }
.stable-id { margin: .5rem 0 0; }.stable-id code { overflow-wrap: anywhere; }.chip-row { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: -.5rem; }
.signal-list { display: grid; gap: .6rem; margin-top: 1rem; }.signal { padding: .9rem 1rem; border-left: .3rem solid var(--amber); border-radius: .8rem; background: #fff5dc; }.signal.high_rir { border-color: var(--blue); background: #e8f4f7; }.signal.reps_drop { border-color: var(--coral); background: #fff0eb; }.signal p { margin: .3rem 0 0; color: #53615a; font-size: .85rem; line-height: 1.45; }.signal-disclaimer { margin: 0 .2rem; font-size: .75rem; }
.exercise-session { padding: 1rem; box-shadow: none; }.exercise-session-head { display: flex; justify-content: space-between; gap: 1rem; align-items: start; }.exercise-session-head h3 { margin: .2rem 0; }.exercise-session-head > div:last-child { text-align: right; }.exercise-session-head small,.exercise-session-head time { display: block; color: var(--muted); font-size: .75rem; }.set-pills { display: flex; gap: .45rem; margin-top: .8rem; overflow-x: auto; padding-bottom: .2rem; scrollbar-width: thin; }.set-pills > span { flex: 0 0 auto; padding: .55rem .7rem; border-radius: .75rem; background: var(--green-soft); }.set-pills b,.set-pills small { display: block; }.set-pills small { margin-top: .1rem; color: var(--muted); font-size: .68rem; }.best-set { margin: .7rem 0 0; color: var(--muted); font-size: .78rem; }

/* Stage 7: swimming blocks and weekly schedule. */
.swim-save-state { padding: .65rem .8rem; border-radius: .75rem; color: var(--green); background: var(--green-soft); font-size: .78rem; font-weight: 700; }
.interval-builder { display: grid; gap: .8rem; min-width: 0; margin: 0; padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; }.interval-builder legend { padding: 0 .35rem; font-weight: 800; }.interval-builder p { margin: 0; }
.interval-row { display: grid; grid-template-columns: 2.2rem repeat(2,minmax(0,1fr)) 2.7rem; gap: .55rem; align-items: end; padding: .8rem 0; border-bottom: 1px solid var(--line); }.interval-row label:nth-of-type(3),.interval-note { grid-column: span 2; }.interval-number { display: grid; width: 2rem; height: 2rem; place-items: center; align-self: center; border-radius: .65rem; color: var(--green); background: var(--green-soft); font-weight: 800; }.interval-remove { grid-column: 4; grid-row: 1; width: 2.5rem; height: 2.5rem; }.interval-total { justify-self: end; color: var(--green); }
.swim-list-item { display: grid; grid-template-columns: 5.5rem minmax(0,1fr); gap: .25rem .8rem; padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--card); text-decoration: none; }.swim-list-item time { grid-row: span 2; align-self: center; color: var(--muted); }.swim-list-item span { color: var(--muted); font-size: .8rem; }
.swim-blocks,.sequence-list,.schedule-grid { display: grid; gap: .65rem; }.swim-blocks article { display: grid; grid-template-columns: 2.3rem 1fr; gap: .7rem; padding: .85rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--card); }.swim-blocks article>span { display: grid; width: 2.2rem; height: 2.2rem; place-items: center; border-radius: .7rem; color: #fff; background: var(--green); font-weight: 800; }.swim-blocks small { display: block; margin-top: .25rem; color: var(--muted); }.swim-blocks p { margin: .4rem 0 0; }
.settings-card h2 { margin-top: 0; }.push-status{padding:.75rem;border-radius:.8rem;background:var(--green-soft);font-weight:700}.push-status[data-state="error"],.push-status[data-state="denied"]{color:#7f241d;background:#ffe2de}.push-status[data-state="enabled"]{color:#17442f;background:#dcefe2}.restore-preview { padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--green-soft); }.restore-preview code { overflow-wrap: anywhere; }.danger-zone { margin-top: 1rem; border-color: #d58b7d; }.danger-zone summary { cursor: pointer; color: #a23b2c; font-weight: 800; }.inline-delete { margin: .6rem 0 1rem; padding: .7rem; border: 1px dashed #d58b7d; border-radius: .8rem; }
.language-switch { display:inline-flex; align-items:center; gap:.3rem; padding:.3rem .45rem; border:1px solid var(--line); border-radius:999px; background:var(--card); }
.language-switch button { appearance:none; border:0; padding:.2rem .35rem; color:var(--muted); background:transparent; font:inherit; font-size:.78rem; font-weight:800; cursor:pointer; }
.language-switch button[aria-pressed="true"] { color:var(--green); text-decoration:underline; text-underline-offset:.18rem; }
.landing-header-tools { display:flex; align-items:center; gap:.7rem; }.auth-language { display:flex; justify-content:flex-end; margin-bottom:.5rem; }

/* Simple in-app user guide. */
.help-head .muted { max-width: 38rem; line-height: 1.55; }
.help-shortcuts { display: grid; gap: .8rem; box-shadow: none; }
.help-shortcuts > div { display: flex; flex-wrap: wrap; gap: .5rem; }
.help-shortcuts a { padding: .55rem .75rem; border-radius: 999px; color: var(--green); background: var(--green-soft); font-size: .8rem; font-weight: 800; text-decoration: none; }
.help-note { display: grid; grid-template-columns: 2.6rem minmax(0,1fr); gap: .8rem; margin-top: 1rem; padding: 1rem; border-radius: 1rem; background: #fff0d2; }
.help-note > span, .help-icon { display: grid; place-items: center; font-weight: 900; }
.help-note > span { width: 2.4rem; height: 2.4rem; border-radius: .75rem; color: #6f4910; background: var(--amber); }
.help-note p { margin: .25rem 0 0; color: #5f5747; line-height: 1.5; }
.help-steps { display: grid; gap: .75rem; margin: 0; padding: 0; list-style: none; }
.help-steps > li { display: grid; grid-template-columns: 2.8rem minmax(0,1fr); gap: .8rem; box-shadow: none; }
.help-step-number { display: grid; width: 2.6rem; height: 2.6rem; place-items: center; border-radius: .85rem; color: #fff; background: var(--green); font-size: 1.15rem; font-weight: 900; }
.help-steps h3, .help-grid h3, .help-actions h3 { margin: .1rem 0 .45rem; }
.help-steps p, .help-grid p, .help-actions dd, .help-offline p, .help-backup p { color: var(--muted); line-height: 1.55; }
.help-steps p { margin: 0 0 .7rem; }
.help-steps .button { margin-top: .15rem; }
.help-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .75rem; }
.help-grid .card { box-shadow: none; }
.help-icon { width: 2.8rem; height: 2.8rem; margin-bottom: .75rem; border-radius: .85rem; font-size: .78rem; }
.help-grid a { color: var(--green); font-weight: 800; }
.help-actions { margin-top: .75rem; box-shadow: none; }
.help-actions dl { display: grid; gap: 0; margin: .7rem 0 0; }
.help-actions dl > div { padding: .75rem 0; border-top: 1px solid var(--line); }
.help-actions dt { font-weight: 800; }
.help-actions dd { margin: .2rem 0 0; }
.help-offline { box-shadow: none; }
.help-offline > p:first-child { margin-top: 0; }
.help-offline ol { display: grid; gap: .55rem; padding-left: 1.3rem; line-height: 1.5; }
.help-backup { box-shadow: none; }
.help-backup p { margin-top: 0; }

/* Read-only, page-scoped WebMCP status. */
.assistant-status { box-shadow: none; }
.assistant-status h2 { margin: .15rem 0 .8rem; }
.assistant-status .alert { margin-bottom: 1rem; }
.assistant-status [data-state="ready"] { color: #17442f; background: #dcefe2; }
.assistant-status [data-state="unsupported"] { color: var(--ink); background: var(--green-soft); }
.assistant-status [data-state="error"] { color: #7f241d; background: #ffe2de; }
.assistant-facts { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .65rem; margin: 0; }
.assistant-facts div { min-width: 0; padding: .75rem; border: 1px solid var(--line); border-radius: .85rem; }
.assistant-facts dt { color: var(--muted); font-size: .72rem; }
.assistant-facts dd { margin: .2rem 0 0; font-weight: 800; }
.assistant-tool-list { display: grid; gap: .65rem; }
.assistant-tool-list article { display: grid; gap: .3rem; padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--card); }
.assistant-tool-list code { overflow-wrap: anywhere; color: var(--green); }
.assistant-tool-list small { color: var(--muted); line-height: 1.45; }
.assistant-note { margin: 1.25rem .2rem 0; font-size: .8rem; line-height: 1.5; }
.activation-dialog-card { max-height: min(88vh,46rem); overflow-y: auto; }
.activation-dialog-card .eyebrow { margin: 0; }
.activation-dialog-card > p { margin: 0; }
.activation-impact { grid-template-columns: repeat(2,minmax(0,1fr)); }
.activation-impact div:last-child { grid-column: 1 / -1; }

html[data-theme="dark"] body, html[data-theme="dark"] .app-shell,
html[data-theme="system"] body, html[data-theme="system"] .app-shell { background-color: var(--paper); }
html[data-theme="dark"] .auth-card, html[data-theme="dark"] .card, html[data-theme="dark"] input, html[data-theme="dark"] textarea, html[data-theme="dark"] select,
html[data-theme="system"] .auth-card, html[data-theme="system"] .card, html[data-theme="system"] input, html[data-theme="system"] textarea, html[data-theme="system"] select { color: var(--ink); background: var(--card); border-color: var(--line); }
.sequence-list>div { display: grid; grid-template-columns: 5rem 6.5rem minmax(0,1fr); gap: .6rem; align-items: center; padding: .7rem; border-bottom: 1px solid var(--line); }.sequence-list time { color: var(--muted); font-size: .8rem; }.schedule-day { display: grid; grid-template-columns: minmax(7rem,1fr) minmax(7rem,1fr) minmax(9rem,1.5fr); gap: .6rem; align-items: end; padding: .9rem; box-shadow: none; }.schedule-day .check-row { align-self: center; }

@media (min-width: 42rem) {
    .main { padding-inline: 1.5rem; }
    .hero-card { padding: 1.7rem; }
    .metric-card { padding: 1.1rem; }
}

@media (max-width: 34rem) {
    .topbar { padding-inline: .75rem; }.topbar-actions { gap: .3rem; }.stage-pill { padding-inline: .5rem; font-size: .66rem; }
    .exercise-row { grid-template-columns: 1fr; }.exercise-settings { grid-template-columns: repeat(3, 1fr); }.global-step { text-align: left; }
    .field-grid,.charts-grid { grid-template-columns: 1fr; }.analytics-metrics { grid-template-columns: repeat(2,minmax(0,1fr)); }.analytics-metrics .metric-card:last-child { grid-column: 1/-1; }
    .timeline-item { grid-template-columns: 4.4rem minmax(0,1fr); }.timeline-item .tag { display: none; }.pagination { grid-template-columns: 1fr 1fr; }.pagination > span { grid-column: 1/-1; grid-row: 1; }.pagination a { grid-row: 2; }
    .line-chart { height: 9rem; }.exercise-session-head { display: grid; }.exercise-session-head > div:last-child { text-align: left; }
    .interval-row { grid-template-columns: 2rem 1fr 1fr; }.interval-row label:nth-of-type(3),.interval-note { grid-column: span 2; }.interval-remove { grid-column: 3; }.schedule-day { grid-template-columns: 1fr 1fr; }.schedule-day label:last-child { grid-column: 1/-1; }.sequence-list>div { grid-template-columns: 4.5rem 5.8rem minmax(0,1fr); }.swim-metrics { grid-template-columns: repeat(2,1fr); }.swim-metrics .metric-card:last-child { grid-column: 1/-1; }
    .help-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: no-preference) {
    .button, .action-list a { transition: transform .15s ease, opacity .15s ease; }
    .button:active, .action-list a:active { transform: scale(.985); }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* Public landing page. */
.landing-shell { width: 100%; max-width: none; overflow: hidden; background: transparent; }
.landing-header { position: relative; z-index: 10; display: flex; width: min(100% - 2rem, 76rem); min-height: 5.25rem; margin: 0 auto; align-items: center; justify-content: space-between; }
.landing-nav { display: flex; gap: 1.6rem; align-items: center; }
.landing-nav a { color: var(--muted); font-size: .9rem; font-weight: 700; text-decoration: none; }
.landing-nav a:hover { color: var(--green); }
.landing-login { padding: .7rem 1rem; border: 1px solid var(--green); border-radius: .8rem; color: var(--green) !important; }
.landing-login-mobile { display: none; font-size: .85rem; font-weight: 800; text-decoration: none; }
.landing-main { padding: 0; }
.landing-main h1, .landing-main h2, .landing-main h3, .landing-main p { text-wrap: pretty; }
.landing-hero { position: relative; display: grid; grid-template-columns: minmax(0,1.08fr) minmax(26rem,.92fr); gap: 4rem; width: min(100% - 2rem, 76rem); min-height: 42rem; margin: 0 auto; padding: 5.4rem 0 6rem; align-items: center; }
.landing-hero::before { position: absolute; z-index: -1; top: -14rem; right: -22rem; width: 48rem; height: 48rem; border-radius: 50%; background: radial-gradient(circle, rgba(153,198,213,.32), rgba(220,233,223,.13) 45%, transparent 70%); content: ''; }
.landing-kicker { display: flex; gap: .55rem; margin: 0 0 1.2rem; align-items: center; color: var(--green); font-size: .76rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.landing-kicker span { width: 1.7rem; height: 2px; background: var(--coral); }
.landing-hero h1 { max-width: 46rem; margin: 0; font-size: clamp(3.25rem, 6.6vw, 6.25rem); line-height: .92; letter-spacing: -.075em; }
.landing-hero h1 em { color: var(--green); font-family: Georgia, 'Times New Roman', serif; font-weight: 500; }
.landing-lead { max-width: 42rem; margin: 1.75rem 0 0; color: var(--muted); font-size: 1.12rem; line-height: 1.7; }
.landing-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 2rem; }
.button-coral { color: #241713; background: var(--coral); box-shadow: 0 12px 30px rgba(239,121,93,.25); }
.button-outline { border: 1px solid var(--line); color: var(--ink); background: rgba(255,254,250,.58); }
.landing-trust { display: flex; flex-wrap: wrap; gap: .7rem 1.3rem; margin: 1.4rem 0 0; padding: 0; color: var(--muted); font-size: .78rem; list-style: none; }
.landing-trust span { color: var(--green); font-weight: 900; }
.landing-product { position: relative; min-height: 34rem; isolation: isolate; }
.landing-orbit { position: absolute; z-index: -1; border: 1px solid rgba(25,62,47,.16); border-radius: 50%; }
.landing-orbit-one { inset: 0 1rem 2rem 0; }
.landing-orbit-two { inset: 4rem -3rem 5rem 4rem; }
.workout-preview, .ai-preview { position: absolute; border: 1px solid rgba(255,255,255,.1); box-shadow: 0 28px 70px rgba(20,36,29,.18); }
.workout-preview { top: 1.5rem; left: 1rem; width: min(21rem,82%); padding: 1.15rem; border-radius: 1.7rem; color: #f4faf6; background: linear-gradient(160deg,#214b3a,#102a20); transform: rotate(-2.5deg); }
.workout-preview header { display: flex; align-items: center; justify-content: space-between; padding-bottom: 1rem; border-bottom: 1px solid rgba(255,255,255,.12); }
.workout-preview header small, .workout-preview header strong { display: block; }
.workout-preview header small { margin-bottom: .25rem; color: #b8c9bf; }
.workout-preview header strong { font-size: 1.15rem; }
.workout-preview header > span { display: grid; width: 3rem; height: 3rem; place-items: center; border-radius: 50%; color: #14241d; background: var(--amber); font-weight: 900; }
.preview-set { display: grid; grid-template-columns: 2rem 1fr 1.8rem; gap: .65rem; min-height: 4rem; padding: .85rem 0; align-items: center; border-bottom: 1px solid rgba(255,255,255,.1); }
.preview-set b { display: grid; width: 1.9rem; height: 1.9rem; place-items: center; border-radius: .6rem; background: rgba(255,255,255,.08); }
.preview-set span strong, .preview-set span small { display: block; }
.preview-set span small { margin-top: .18rem; color: #9fb4a8; }
.preview-set i { color: #9ad3b1; font-style: normal; text-align: center; }
.preview-set-active { margin-inline: -.55rem; padding-inline: .55rem; border-radius: .85rem; background: rgba(239,121,93,.13); }
.preview-set-active i { color: var(--coral); }
.preview-rest { display: flex; margin-top: 1rem; padding: .8rem 1rem; align-items: center; justify-content: space-between; border-radius: .9rem; color: #173429; background: #b8dfc5; }
.preview-rest strong { font-variant-numeric: tabular-nums; font-size: 1.25rem; }
.ai-preview { right: 0; bottom: 1.8rem; width: min(18.5rem,76%); padding: 1rem; border-color: var(--line); border-radius: 1.35rem; background: var(--card); transform: rotate(2deg); }
.ai-preview-head { display: flex; gap: .65rem; align-items: center; }
.ai-preview-head span { display: grid; width: 2.2rem; height: 2.2rem; place-items: center; border-radius: .7rem; color: #fff; background: var(--coral); font-size: .72rem; font-weight: 900; }
.ai-preview p { margin: .8rem 0; color: var(--muted); font-size: .84rem; line-height: 1.5; }
.ai-suggestion { display: flex; padding: .7rem .8rem; align-items: center; justify-content: space-between; border-radius: .8rem; background: var(--green-soft); }
.ai-suggestion small { color: var(--muted); }
.ai-suggestion strong { color: var(--green); }
.format-chip { position: absolute; display: grid; width: 3.5rem; height: 3.5rem; place-items: center; border-radius: 1rem; box-shadow: 0 12px 30px rgba(20,36,29,.14); font-size: .75rem; font-weight: 900; transform: rotate(6deg); }
.format-json { top: 5rem; right: -.5rem; color: #6d4510; background: var(--amber); }
.format-md { bottom: 4.5rem; left: -.5rem; color: #173b4a; background: var(--blue); transform: rotate(-7deg); }
.landing-section-label { margin: 0 0 .8rem; color: var(--coral); font-size: .75rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.landing-problem { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem 5rem; padding: 5.5rem max(1rem,calc((100% - 76rem)/2)); color: #f2f7f4; background: var(--green); }
.landing-problem h2, .landing-how h2, .landing-file-exchange h2, .landing-webmcp h2, .landing-benefits h2, .landing-audience h2, .landing-cta h2 { margin: 0; font-size: clamp(2.25rem,4.2vw,4.2rem); line-height: 1.02; letter-spacing: -.055em; }
.problem-list { display: grid; gap: 0; }
.problem-list p { display: grid; grid-template-columns: 2.2rem 1fr; gap: .8rem; margin: 0; padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.14); font-size: 1rem; line-height: 1.5; }
.problem-list span { color: var(--amber); font-size: .75rem; font-weight: 900; }
.problem-answer { grid-column: 1 / -1; max-width: 52rem; margin: 0; color: #b9c9c0; font-family: Georgia, 'Times New Roman', serif; font-size: clamp(1.4rem,2.6vw,2rem); line-height: 1.45; }
.landing-how, .landing-benefits { width: min(100% - 2rem,76rem); margin: 0 auto; padding: 7rem 0; }
.landing-section-heading { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem 4rem; margin-bottom: 3rem; align-items: end; }
.landing-section-heading .landing-section-label { grid-column: 1/-1; }
.landing-section-heading > p:last-child { margin: 0; color: var(--muted); line-height: 1.65; }
.landing-steps { display: grid; grid-template-columns: repeat(4,1fr); gap: .8rem; margin: 0; padding: 0; list-style: none; }
.landing-steps li { position: relative; min-height: 23rem; padding: 1.2rem; border: 1px solid var(--line); border-radius: 1.25rem; background: rgba(255,254,250,.7); }
.step-number { position: absolute; top: 1rem; right: 1rem; color: #9aa49e; font-size: .75rem; font-weight: 900; }
.step-icon { display: grid; width: 3.2rem; height: 3.2rem; margin: 3.5rem 0 2.7rem; place-items: center; border-radius: 1rem; font-size: 1.25rem; font-weight: 900; }
.landing-steps h3 { margin: 0 0 .65rem; font-size: 1.15rem; }
.landing-steps p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.6; }
.landing-file-exchange { padding: 7rem max(1rem,calc((100% - 76rem)/2)); background: #e4eee6; }
.file-exchange-heading { margin-bottom: 3.5rem; }
.file-flow { display: grid; grid-template-columns: minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr); gap: .55rem; margin: 0; padding: 0; align-items: stretch; list-style: none; }
.file-flow-card { position: relative; min-width: 0; min-height: 21rem; padding: 1.15rem; border: 1px solid rgba(25,62,47,.16); border-radius: 1.25rem; background: rgba(255,254,250,.82); }
.file-flow-card::after { position: absolute; right: 1rem; bottom: 0; left: 1rem; height: .28rem; border-radius: .3rem .3rem 0 0; background: var(--green-soft); content: ''; }
.file-flow-files::after { background: var(--amber); }
.file-flow-ai { color: #f1f6f3; background: var(--green); }
.file-flow-ai::after { background: var(--coral); }
.file-flow-result::after { background: var(--blue); }
.file-flow-number { display: block; color: #8e9a93; font-size: .75rem; font-weight: 900; text-align: right; }
.file-flow-icon, .file-pair { display: grid; width: 3.25rem; height: 3.25rem; margin: 2.1rem 0 2.4rem; place-items: center; border-radius: .95rem; color: #fff; background: var(--coral); font-size: .75rem; font-weight: 900; }
.file-flow-app { background: var(--green); }
.file-flow-ai .file-flow-icon { color: #18352a; background: var(--amber); }
.file-flow-result .file-flow-icon { color: #173b4a; background: var(--blue); }
.file-pair { display: flex; width: auto; max-width: 7rem; gap: .3rem; padding: .4rem; background: var(--amber); }
.file-pair span { display: grid; flex: 1; height: 2.45rem; place-items: center; border-radius: .65rem; color: #6d4510; background: rgba(255,255,255,.5); }
.file-flow-card small, .file-flow-card strong { display: block; }
.file-flow-card small { margin-bottom: .4rem; color: var(--muted); font-size: .75rem; }
.file-flow-card strong { font-size: 1rem; line-height: 1.35; }
.file-flow-card p { margin: .7rem 0 0; color: var(--muted); font-size: .82rem; line-height: 1.55; }
.file-flow-ai small, .file-flow-ai p { color: #b9c9c0; }
.file-flow-arrow { display: grid; width: 2.5rem; place-items: center; align-content: center; color: var(--green); }
.file-flow-arrow span { writing-mode: vertical-rl; color: var(--muted); font-size: .75rem; font-weight: 800; }
.file-flow-arrow b { margin-top: .6rem; font-size: 1.4rem; }
.file-format-notes { display: grid; grid-template-columns: repeat(3,1fr); gap: .7rem; margin-top: 1.2rem; }
.file-format-notes article { display: grid; grid-template-columns: 2.6rem 1fr; gap: .8rem; padding: 1rem; border-top: 1px solid rgba(25,62,47,.18); }
.file-format-notes article > span { display: grid; width: 2.5rem; height: 2.5rem; place-items: center; border-radius: .75rem; color: var(--green); background: rgba(255,255,255,.55); font-size: .75rem; font-weight: 900; }
.file-format-notes strong { font-size: .9rem; }
.file-format-notes p { margin: .35rem 0 0; color: var(--muted); font-size: .82rem; line-height: 1.5; }
.landing-webmcp { padding: 7rem max(1rem,calc((100% - 76rem)/2)); color: #f1f6f3; background: #102a20; }
.webmcp-heading { display: grid; grid-template-columns: 1.15fr .85fr; gap: 4rem; margin-bottom: 3.5rem; align-items: end; }
.webmcp-heading > p { margin: 0; color: #adc0b5; line-height: 1.7; }
.webmcp-comparison { display: grid; grid-template-columns: minmax(0,.82fr) 5.5rem minmax(0,1.18fr); gap: 1rem; align-items: stretch; }
.manual-route, .direct-route { padding: 1.4rem; border: 1px solid rgba(255,255,255,.12); border-radius: 1.4rem; background: rgba(255,255,255,.055); }
.direct-route { border-color: rgba(241,198,111,.45); background: rgba(255,255,255,.09); box-shadow: inset 0 0 0 1px rgba(241,198,111,.08); }
.webmcp-card-label { display: inline-flex; padding: .35rem .55rem; border-radius: 999px; color: #173429; background: var(--green-soft); font-size: .75rem; font-weight: 900; text-transform: uppercase; }
.direct-route .webmcp-card-label { background: var(--amber); }
.manual-route h3, .direct-route h3 { margin: 1.1rem 0 1.5rem; font-size: 1.45rem; }
.manual-route > p, .direct-route > p { margin: 1.4rem 0 0; color: #9eb2a7; font-size: .86rem; line-height: 1.6; }
.manual-route-steps { display: flex; flex-wrap: wrap; gap: .45rem; align-items: center; }
.manual-route-steps span { padding: .55rem .65rem; border: 1px solid rgba(255,255,255,.12); border-radius: .65rem; color: #dce7e0; background: rgba(255,255,255,.045); font-size: .76rem; }
.manual-route-steps i { color: #72877c; font-style: normal; }
.webmcp-replaces { display: grid; gap: .6rem; place-items: center; align-content: center; color: var(--amber); text-align: center; }
.webmcp-replaces span { font-size: .75rem; font-weight: 800; line-height: 1.3; }
.webmcp-replaces b { font-size: 2rem; }
.direct-route-diagram { display: grid; grid-template-columns: 1fr auto 1fr; gap: .75rem; align-items: center; }
.direct-node { display: grid; min-height: 8.5rem; padding: .85rem; place-items: center; align-content: center; border-radius: 1rem; color: #173429; background: #e5f0e8; text-align: center; }
.direct-node > span { display: grid; width: 2.7rem; height: 2.7rem; margin-bottom: .55rem; place-items: center; border-radius: .8rem; color: #fff; background: var(--green); font-size: .75rem; font-weight: 900; }
.direct-node strong, .direct-node small { display: block; }
.direct-node small { margin-top: .2rem; color: #65776d; font-size: .75rem; }
.direct-node-ai { background: #fff0cd; }
.direct-node-ai > span { color: #173429; background: var(--amber); }
.direct-connection { min-width: 6.5rem; color: var(--amber); text-align: center; }
.direct-connection span, .direct-connection b { display: block; }
.direct-connection span { color: #9eb2a7; font-size: .75rem; line-height: 1.3; }
.direct-connection b { font-size: 2rem; }
.webmcp-details { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1rem; margin-top: 1rem; }
.webmcp-details ol { display: grid; grid-template-columns: repeat(2,1fr); gap: .65rem; margin: 0; padding: 0; list-style: none; }
.webmcp-details ol li { display: grid; grid-template-columns: 2.35rem 1fr; gap: .75rem; padding: 1rem; border-top: 1px solid rgba(255,255,255,.14); }
.webmcp-details ol li > span { display: grid; width: 2.2rem; height: 2.2rem; place-items: center; border-radius: .7rem; color: #173429; background: var(--blue); font-size: .8rem; font-weight: 900; }
.webmcp-details ol strong { font-size: .9rem; line-height: 1.4; }
.webmcp-details ol p { margin: .35rem 0 0; color: #9eb2a7; font-size: .8rem; line-height: 1.5; }
.webmcp-details aside { padding: 1.3rem; border-radius: 1.25rem; color: var(--ink); background: #f7f5ed; }
.webmcp-aside-kicker { margin: 0; color: var(--coral); font-size: .75rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.webmcp-details aside ul { display: grid; gap: .75rem; margin: 1rem 0; padding: 0; list-style: none; }
.webmcp-details aside li { display: grid; grid-template-columns: 1.5rem 1fr; gap: .5rem; font-size: .86rem; line-height: 1.45; }
.webmcp-details aside li span { color: var(--green); font-weight: 900; }
.webmcp-progressive { margin: 1rem 0 0; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .8rem; line-height: 1.55; }
.landing-benefits { padding-bottom: 5.5rem; }
.benefit-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.benefit-grid article { min-height: 15.5rem; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.benefit-grid article > span { display: grid; width: 2.8rem; height: 2.8rem; margin-bottom: 2.5rem; place-items: center; border-radius: .85rem; color: var(--green); background: var(--green-soft); font-size: 1.15rem; font-weight: 900; }
.benefit-grid h3 { margin: 0 0 .6rem; }
.benefit-grid p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.55; }
.landing-audience { display: grid; grid-template-columns: .8fr 1.2fr; gap: 4rem; width: min(100% - 2rem,76rem); margin: 0 auto; padding: 2rem 0 7rem; align-items: center; }
.audience-tags { display: flex; flex-wrap: wrap; gap: .65rem; }
.audience-tags span { padding: .85rem 1rem; border: 1px solid var(--line); border-radius: 999px; background: var(--card); font-size: .86rem; font-weight: 700; }
.landing-cta { margin: 0 max(1rem,calc((100% - 76rem)/2)); padding: 5rem max(1.25rem,7vw); border-radius: 2rem; color: #fff; background: linear-gradient(145deg,#1f4938,#102b20); text-align: center; }
.landing-cta h2 { max-width: 56rem; margin-inline: auto; }
.landing-cta > p:not(.landing-section-label) { color: #b9c9c0; }
.landing-actions-center { justify-content: center; }
.button-outline-dark { border: 1px solid rgba(255,255,255,.26); color: #fff; background: transparent; }
.landing-cta > small { display: block; max-width: 46rem; margin: 2rem auto 0; color: #91a69a; font-size: .75rem; line-height: 1.5; }
.landing-footer { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1rem; width: min(100% - 2rem,76rem); margin: 0 auto; padding: 3rem 0 4rem; align-items: center; color: var(--muted); font-size: .82rem; }
.landing-footer p { margin: 0; text-align: center; }
.landing-footer > a:last-child { justify-self: end; color: var(--green); font-weight: 800; }

@media (max-width: 62rem) {
    .landing-hero { gap: 1rem; }
    .landing-steps { grid-template-columns: repeat(2,1fr); }
    .landing-steps li { min-height: 19rem; }
    .landing-section-heading { grid-template-columns: 1.2fr .8fr; }
    .file-flow { grid-template-columns: repeat(4,minmax(0,1fr)); }
    .file-flow-arrow { display: none; }
    .webmcp-comparison { grid-template-columns: 1fr; }
    .webmcp-replaces { grid-template-columns: 1fr auto; justify-self: center; }
    .webmcp-replaces b { transform: rotate(90deg); }
    .webmcp-details { grid-template-columns: 1fr; }
}

@media (max-width: 46rem) {
    .landing-header { min-height: 4.5rem; }
    .landing-nav { display: none; }
    .landing-login-mobile { display: inline-flex; }
    .landing-hero { grid-template-columns: 1fr; gap: 1rem; padding: 3.7rem 0 4.5rem; }
    .landing-hero h1 { font-size: clamp(3.2rem,15vw,5.4rem); }
    .landing-lead { font-size: 1rem; }
    .landing-product { min-height: 32rem; margin-top: 1.5rem; }
    .format-json { right: .5rem; }
    .format-md { left: .5rem; }
    .landing-problem { grid-template-columns: 1fr; gap: 2.5rem; padding-block: 4.5rem; }
    .problem-answer { grid-column: auto; }
    .landing-how, .landing-benefits { padding-block: 5rem; }
    .landing-file-exchange, .landing-webmcp { padding-block: 4.5rem; }
    .landing-section-heading { grid-template-columns: 1fr; }
    .landing-section-heading .landing-section-label { grid-column: auto; }
    .landing-steps { grid-template-columns: 1fr; }
    .landing-steps li { min-height: auto; }
    .step-icon { margin: 2.5rem 0 1.8rem; }
    .file-flow { grid-template-columns: 1fr; }
    .file-flow-card { min-height: auto; padding-bottom: 2rem; }
    .file-flow-icon, .file-pair { margin-block: 1.5rem; }
    .file-flow-arrow { display: grid; grid-template-columns: auto auto; width: auto; min-height: 3rem; gap: .65rem; }
    .file-flow-arrow span { writing-mode: horizontal-tb; }
    .file-flow-arrow b { margin: 0; transform: rotate(90deg); }
    .file-format-notes { grid-template-columns: 1fr; }
    .webmcp-heading { grid-template-columns: 1fr; gap: 1.5rem; }
    .direct-route-diagram { grid-template-columns: 1fr; }
    .direct-node { min-height: 6.5rem; }
    .direct-connection { min-width: 0; }
    .direct-connection b { transform: rotate(90deg); }
    .webmcp-details ol { grid-template-columns: 1fr; }
    .benefit-grid { grid-template-columns: 1fr; }
    .benefit-grid article { min-height: auto; }
    .benefit-grid article > span { margin-bottom: 1.5rem; }
    .landing-audience { grid-template-columns: 1fr; gap: 2.5rem; padding-bottom: 5rem; }
    .landing-cta { padding-block: 4rem; border-radius: 1.4rem; }
    .landing-footer { grid-template-columns: 1fr; text-align: center; }
    .landing-footer .brand, .landing-footer > a:last-child { justify-self: center; }
}