:root {
  color-scheme: dark;
  --bg: #10121a;
  --bg-soft: #151824;
  --panel: #1b1f2c;
  --panel-2: #222738;
  --panel-3: #292f43;
  --text: #f5f7fb;
  --muted: #aeb5c7;
  --line: rgba(255,255,255,.11);
  --line-strong: rgba(255,255,255,.2);
  --primary: #8be28b;
  --primary-ink: #0b2411;
  --secondary: #7fc7ff;
  --danger: #ff8585;
  --warning: #ffd479;
  --success: #8be28b;
  --focus: #b8ddff;
  --radius: 18px;
  --radius-small: 11px;
  --shadow: 0 20px 60px rgba(0,0,0,.25);
  --max: 1220px;
}

* { box-sizing: border-box; }
html { min-height: 100%; scroll-behavior: smooth; }
body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(75,126,255,.13), transparent 32rem),
    radial-gradient(circle at 85% 5%, rgba(74,224,139,.1), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--secondary); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; }
button, select { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .55; }
img { max-width: 100%; }

.skip-link { position: fixed; z-index: 1000; left: 1rem; top: -5rem; padding: .7rem 1rem; background: #fff; color: #000; border-radius: 8px; }
.skip-link:focus { top: 1rem; }

.topbar {
  position: sticky; z-index: 50; top: 0;
  min-height: 68px;
  display: flex; align-items: center; gap: 1.2rem;
  padding: .65rem max(1rem, calc((100vw - var(--max)) / 2));
  background: rgba(16,18,26,.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: .7rem; color: var(--text); font-size: 1.13rem; font-weight: 850; letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: linear-gradient(145deg, var(--primary), #51bfff); color: #0f1a20; box-shadow: 0 8px 28px rgba(91,203,181,.22); }
.main-nav { display: flex; align-items: center; gap: .2rem; flex: 1; }
.main-nav a { color: var(--muted); padding: .55rem .7rem; border-radius: 9px; font-weight: 650; font-size: .93rem; }
.main-nav a:hover { background: var(--panel); color: var(--text); text-decoration: none; }
.account-actions { display: flex; align-items: center; gap: .55rem; }
.account-actions form { margin: 0; }
.user-name { color: var(--muted); font-size: .9rem; white-space: nowrap; }
.nav-toggle { display: none; color: var(--text); background: var(--panel); border: 1px solid var(--line); padding: .5rem .7rem; border-radius: 9px; }

.page-shell { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; padding: 2rem 0 5rem; }
.page-header { margin: .8rem 0 1.8rem; max-width: 850px; }
.page-header h1, .hero h1 { margin: .2rem 0 .65rem; font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.05; letter-spacing: -.05em; }
.page-header p, .hero p { margin: 0; color: var(--muted); font-size: 1.04rem; max-width: 760px; }
.split-header { max-width: none; display: flex; align-items: end; justify-content: space-between; gap: 2rem; }
.eyebrow { display: block; color: var(--primary); font-size: .76rem; font-weight: 850; letter-spacing: .105em; text-transform: uppercase; }
.back-link { display: inline-block; margin-bottom: 1rem; }

.card {
  background: linear-gradient(155deg, rgba(32,37,52,.98), rgba(24,28,40,.98));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1rem, 2.5vw, 1.5rem);
  box-shadow: 0 10px 40px rgba(0,0,0,.12);
}
.card h2 { margin: .2rem 0 .55rem; letter-spacing: -.025em; line-height: 1.18; }
.card h3 { margin: .2rem 0; }
.card p { color: var(--muted); }
.stack { display: grid; gap: 1rem; }
.stack.compact { gap: .65rem; }
.grid-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1rem 0; }
.quick-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1rem 0; }
.parent-quick { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.section-heading { display: flex; justify-content: space-between; align-items: start; gap: 1rem; margin-bottom: 1rem; }
.section-heading h2 { margin: .15rem 0; }
.section-heading p { margin: .4rem 0 0; }
.narrow-page { width: min(620px, 100%); margin: 0 auto; }
.muted, small, .fine-print { color: var(--muted); }
.fine-print { margin: 0; font-size: .84rem; }
.callout { padding: .8rem 1rem; border-radius: var(--radius-small); background: rgba(127,199,255,.08); border: 1px solid rgba(127,199,255,.19); }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  min-height: 42px; border: 1px solid transparent; border-radius: 11px;
  padding: .62rem 1rem; font-weight: 780; text-align: center; line-height: 1.2;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.button:hover { text-decoration: none; transform: translateY(-1px); }
.button-primary { background: var(--primary); color: var(--primary-ink); }
.button-primary:hover { background: #a3eca3; }
.button-secondary { background: rgba(127,199,255,.12); color: #c8e9ff; border-color: rgba(127,199,255,.28); }
.button-quiet { background: transparent; color: var(--muted); border-color: var(--line); }
.button-quiet:hover { color: var(--text); background: var(--panel-2); }
.button-danger { background: rgba(255,133,133,.14); color: #ffd2d2; border-color: rgba(255,133,133,.35); }
.button-small { min-height: 34px; padding: .4rem .7rem; font-size: .82rem; }
.button-large { min-height: 50px; padding: .82rem 1.25rem; }
.button-xl { width: 100%; min-height: 58px; padding: .95rem 1.3rem; font-size: 1.08rem; }
.button-row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.icon-button { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 10px; background: var(--panel-2); color: var(--text); font-size: 1.4rem; }

.field { display: grid; gap: .38rem; min-width: 0; }
.field > span, .field legend, fieldset.field > legend { color: #e6e9f2; font-weight: 720; font-size: .9rem; }
.field small { font-size: .79rem; }
input, select, textarea {
  width: 100%; min-width: 0; color: var(--text); background: #121520;
  border: 1px solid var(--line-strong); border-radius: 10px; padding: .68rem .78rem; outline: none;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid rgba(184,221,255,.45); outline-offset: 2px; border-color: var(--focus); }
input[type="checkbox"], input[type="radio"] { width: 1.1rem; height: 1.1rem; accent-color: var(--primary); }
input[type="range"] { padding: 0; accent-color: var(--primary); }
fieldset { border: 0; padding: 0; margin: 0; }
.validation { color: #ffadad; font-size: .86rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; }
.form-grid.thirds { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.check-line, .switch-line { display: flex; align-items: start; gap: .65rem; color: var(--text); }
.check-line span, .switch-line span { display: grid; gap: .12rem; }
.check-line small, .switch-line small { color: var(--muted); }
.switch-line { padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius-small); background: var(--panel-2); }
.switch-line input { margin-top: .22rem; }

.flash { position: relative; margin: 0 0 1rem; border-radius: 12px; padding: .8rem 1rem; border: 1px solid; }
.flash-success { background: rgba(139,226,139,.1); color: #c8f5c8; border-color: rgba(139,226,139,.3); }
.flash-info { background: rgba(127,199,255,.1); color: #d2edff; border-color: rgba(127,199,255,.3); }
.flash-error { background: rgba(255,133,133,.1); color: #ffd2d2; border-color: rgba(255,133,133,.3); }
.toast-region { position: fixed; right: 1rem; bottom: 1rem; z-index: 100; display: grid; gap: .5rem; width: min(360px, calc(100% - 2rem)); }
.toast { padding: .8rem 1rem; background: #252b3c; border: 1px solid var(--line-strong); border-radius: 12px; box-shadow: var(--shadow); }
.toast-success { border-color: rgba(139,226,139,.4); }
.toast-error { border-color: rgba(255,133,133,.4); }

.auth-shell { min-height: calc(100vh - 145px); display: grid; grid-template-columns: 1fr minmax(340px, 520px); align-items: center; gap: clamp(2rem, 7vw, 7rem); }
.auth-intro h1 { font-size: clamp(3rem, 9vw, 6rem); line-height: .92; letter-spacing: -.07em; margin: .4rem 0 1.2rem; }
.auth-intro p { color: var(--muted); max-width: 540px; font-size: 1.1rem; }
.auth-card { padding: clamp(1.2rem, 4vw, 2rem); }
.profile-picker { display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem; margin-bottom: 1.2rem; }
.profile-choice { display: grid; justify-items: center; gap: .2rem; padding: .85rem .5rem; border-radius: 13px; border: 1px solid var(--line); background: var(--panel-2); color: var(--text); }
.profile-choice:hover, .profile-choice.is-selected { border-color: var(--primary); background: rgba(139,226,139,.08); }
.profile-choice small { font-size: .75rem; }
.avatar { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 12px; background: linear-gradient(145deg, #34445f, #354f43); color: #fff; font-weight: 850; }
.avatar-large { width: 54px; height: 54px; border-radius: 17px; font-size: 1.25rem; }

.hero { border-radius: 26px; padding: clamp(1.4rem, 4vw, 2.7rem); display: flex; align-items: center; justify-content: space-between; gap: 2rem; background: linear-gradient(120deg, rgba(40,57,83,.96), rgba(35,67,53,.96)); border: 1px solid var(--line); box-shadow: var(--shadow); }
.balance-orb { min-width: 180px; aspect-ratio: 1; border-radius: 50%; display: grid; place-content: center; text-align: center; background: rgba(11,18,25,.52); border: 1px solid rgba(255,255,255,.18); box-shadow: inset 0 0 70px rgba(139,226,139,.1); }
.balance-orb strong { font-size: 3.2rem; line-height: 1; letter-spacing: -.05em; }
.balance-orb span { color: var(--muted); font-size: .8rem; font-weight: 720; text-transform: uppercase; letter-spacing: .08em; }
.action-card { min-height: 142px; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: .8rem; align-content: center; padding: 1.2rem; color: var(--text); background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.action-card:hover { text-decoration: none; border-color: rgba(139,226,139,.38); transform: translateY(-1px); }
.action-card strong { align-self: end; font-size: 1.05rem; }
.action-card small { grid-column: 2; color: var(--muted); }
.action-icon { grid-row: 1 / span 2; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: rgba(139,226,139,.12); color: var(--primary); font-size: 1.4rem; font-weight: 850; }
.status-panel { border: 1px solid var(--line); border-radius: var(--radius-small); padding: .85rem 1rem; }
.status-panel p { margin: .25rem 0 0; }
.status-good { background: rgba(139,226,139,.08); border-color: rgba(139,226,139,.28); }
.status-warning { background: rgba(255,212,121,.08); border-color: rgba(255,212,121,.28); }
.status-info { background: rgba(127,199,255,.08); border-color: rgba(127,199,255,.28); }
.session-card { display: flex; align-items: center; justify-content: space-between; gap: 1.2rem; margin: 1rem 0; border-color: rgba(127,199,255,.35); }
.session-card.is-overdue, .session-focus.is-overdue { border-color: rgba(255,133,133,.55); background: linear-gradient(155deg, rgba(75,34,43,.92), rgba(35,25,34,.98)); }
.countdown { font-variant-numeric: tabular-nums; letter-spacing: -.04em; }
.ledger-list, .activity-list, .session-list, .exception-list, .device-list { display: grid; }
.ledger-row, .activity-row, .session-row, .exception-row, .device-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .85rem 0; border-top: 1px solid var(--line); }
.ledger-row:first-child, .activity-row:first-child, .session-row:first-child, .exception-row:first-child, .device-row:first-child { border-top: 0; }
.ledger-row > div, .activity-row > div, .session-row > div, .exception-row > div, .device-row > div { display: grid; gap: .12rem; }
.amount { font-weight: 850; font-variant-numeric: tabular-nums; white-space: nowrap; }
.positive { color: var(--success); }
.negative { color: var(--danger); }
.notification-list { display: grid; gap: .5rem; }
.notification-item { display: flex; align-items: start; justify-content: space-between; gap: 1rem; padding: .8rem; background: var(--panel-2); border-radius: 11px; }
.notification-item p { margin: .15rem 0 0; }
.children-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.child-card-top { display: flex; align-items: center; gap: .8rem; }
.child-card-top h2, .child-card-top p { margin: 0; }
.balance-small { margin-left: auto; font-size: 1.25rem; color: var(--primary); }
.mini-session { display: flex; justify-content: space-between; padding: .75rem .9rem; margin: 1rem 0; border-radius: 10px; background: rgba(127,199,255,.09); border: 1px solid rgba(127,199,255,.2); }
.inline-admin { margin-top: 1rem; border-top: 1px solid var(--line); padding-top: .8rem; }
.inline-admin summary, details > summary { cursor: pointer; }
.mini-form { display: grid; gap: .6rem; margin-top: .8rem; padding: .8rem; background: rgba(0,0,0,.15); border-radius: 10px; }
.mini-form label { display: grid; gap: .25rem; color: var(--muted); font-size: .82rem; }

.activity-layout { align-items: start; }
.file-field input { padding: .5rem; }
.truth-box { padding: .9rem; background: rgba(255,212,121,.08); border: 1px solid rgba(255,212,121,.25); border-radius: 11px; }
.truth-box p { margin: .2rem 0 0; color: var(--muted); }
.steps { list-style: none; padding: 0; margin: 1rem 0 0; counter-reset: steps; display: grid; gap: 1rem; }
.steps li { counter-increment: steps; display: grid; grid-template-columns: 36px 1fr; column-gap: .8rem; }
.steps li::before { content: counter(steps); grid-row: 1 / span 2; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: rgba(139,226,139,.12); color: var(--primary); font-weight: 850; }
.steps span { color: var(--muted); }
.activity-result { align-items: end; }
.status-pill { display: inline-flex; width: fit-content; padding: .28rem .55rem; border-radius: 999px; background: var(--panel-3); color: var(--muted); font-size: .73rem; font-weight: 760; }
.status-pill.good { background: rgba(139,226,139,.11); color: #c9f5c9; }
.status-pill.bad { background: rgba(255,133,133,.11); color: #ffd1d1; }
.status-pill.waiting { background: rgba(255,212,121,.1); color: #ffe9b8; }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.review-card { display: grid; align-content: start; gap: .75rem; }
.review-card h2, .review-card p, .review-card blockquote { margin: 0; }
.review-card-head { display: flex; align-items: center; gap: .65rem; }
.review-card-head > div { display: grid; }
.review-card-head .status-pill { margin-left: auto; }
blockquote { padding: .75rem .9rem; border-left: 3px solid var(--secondary); background: rgba(127,199,255,.07); color: var(--muted); }
.evidence-link { display: inline-flex; padding: .7rem; border-radius: 10px; background: var(--panel-2); }
.review-detail { align-items: start; }
.detail-list { display: grid; gap: .7rem; margin: 0; }
.detail-list div { display: grid; grid-template-columns: 140px 1fr; gap: 1rem; border-bottom: 1px solid var(--line); padding-bottom: .65rem; }
.detail-list dt { color: var(--muted); }
.detail-list dd { margin: 0; }
.evidence-preview { border-radius: 12px; border: 1px solid var(--line); max-height: 600px; object-fit: contain; background: #fff; }
.decision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }

.electronics-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); gap: 1rem; align-items: start; }
.balance-strip { display: flex; align-items: center; justify-content: space-between; padding: .85rem 1rem; border-radius: 12px; background: rgba(139,226,139,.08); border: 1px solid rgba(139,226,139,.22); }
.balance-strip strong { color: var(--primary); font-size: 1.15rem; }
.duration-picks, .factor-picks { display: grid; grid-template-columns: repeat(4, 1fr); gap: .45rem; margin-top: .35rem; }
.factor-picks { grid-template-columns: repeat(5, 1fr); }
.duration-picks button, .factor-picks button { padding: .6rem .3rem; color: var(--muted); background: var(--panel-2); border: 1px solid var(--line); border-radius: 9px; }
.duration-picks button.is-selected, .factor-picks button.is-selected { color: var(--primary); border-color: var(--primary); background: rgba(139,226,139,.08); }
.duration-input { display: grid; grid-template-columns: 1fr 90px; align-items: center; gap: .8rem; margin-top: .8rem; }
.duration-input output { text-align: center; font-weight: 850; font-variant-numeric: tabular-nums; }
.price-preview { overflow: hidden; border-radius: 14px; background: #121520; border: 1px solid var(--line); }
.price-total { display: grid; grid-template-columns: 1fr auto; padding: 1rem; align-items: center; }
.price-total strong { font-size: 1.8rem; color: var(--primary); letter-spacing: -.04em; }
.price-total small { grid-column: 1 / -1; }
.price-total.not-affordable strong { color: var(--danger); }
.price-warning { padding: .75rem 1rem; background: rgba(255,212,121,.09); border-top: 1px solid rgba(255,212,121,.2); color: #ffe9b8; font-size: .85rem; }
.price-details { border-top: 1px solid var(--line); }
.price-details summary { padding: .75rem 1rem; color: var(--muted); }
.price-details ul { list-style: none; padding: 0 1rem 1rem; margin: 0; display: grid; gap: .45rem; }
.price-details li { display: flex; justify-content: space-between; gap: .7rem; font-size: .86rem; }
.price-details li span { display: grid; }
.skeleton-line { display: block; padding: 1rem; color: var(--muted); }
.tier-visual { display: grid; gap: .4rem; margin-top: 1rem; }
.tier-visual > div { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: .5rem; padding: .65rem; border: 1px solid var(--line); border-radius: 10px; }
.tier-visual > div > strong { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: var(--panel-3); }
.tier-visual b { color: var(--warning); }
.reset-callout { display: grid; gap: .2rem; margin-top: .7rem; padding: .9rem; border-radius: 11px; background: rgba(139,226,139,.09); border: 1px solid rgba(139,226,139,.25); }
.reset-callout span { color: var(--muted); }
.session-focus { max-width: 760px; margin: 0 auto 1rem; text-align: center; padding: clamp(1.5rem, 6vw, 3rem); }
.session-device { display: inline-block; margin-bottom: .7rem; padding: .35rem .7rem; border-radius: 999px; background: var(--panel-3); }
.countdown-large { display: block; font-size: clamp(4rem, 14vw, 8rem); line-height: 1; margin: .4rem 0; }
.session-instruction { max-width: 620px; margin: 1rem auto; }
.session-row > div:last-child { align-items: end; }

.scope-tabs { display: flex; gap: .45rem; overflow-x: auto; margin: 0 0 1rem; padding-bottom: .2rem; }
.scope-tabs a { white-space: nowrap; padding: .65rem .9rem; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); background: var(--panel); }
.scope-tabs a:hover, .scope-tabs a.active { text-decoration: none; color: var(--primary); border-color: var(--primary); background: rgba(139,226,139,.08); }
.formula-card { margin-bottom: 1rem; }
.price-formula { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin: .65rem 0; font-size: 1rem; }
.price-formula span, .price-formula strong { padding: .55rem .75rem; border-radius: 9px; background: var(--panel-2); }
.price-formula strong { color: var(--primary); }
.pricing-section { margin: 1rem 0; }
.price-legend { display: flex; flex-wrap: wrap; gap: .35rem; }
.price-legend span { padding: .28rem .48rem; border-radius: 6px; font-size: .73rem; border: 1px solid var(--line); }
.weekly-scroll { max-height: 72vh; overflow: auto; border: 1px solid var(--line); border-radius: 13px; }
.weekly-grid { width: 100%; min-width: 850px; border-collapse: separate; border-spacing: 0; table-layout: fixed; }
.weekly-grid th { background: #191d2a; color: var(--muted); font-size: .77rem; font-weight: 750; }
.weekly-grid thead th { position: sticky; top: 0; z-index: 4; }
.weekly-grid th:first-child { position: sticky; left: 0; z-index: 3; width: 72px; }
.weekly-grid thead th:first-child { z-index: 5; }
.weekly-grid th, .weekly-grid td { padding: .2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: center; }
.price-cell { position: relative; width: 100%; min-height: 38px; border: 1px solid transparent; border-radius: 7px; color: var(--text); font-size: .78rem; font-weight: 760; }
.price-cell:hover { border-color: #fff; }
.price-cell i { position: absolute; right: 4px; top: 0; color: #fff; font-size: 1rem; }
.factor-free { background: rgba(139,226,139,.16); color: #d2f8d2; }
.factor-cheap { background: rgba(127,199,255,.13); color: #d0ecff; }
.factor-normal { background: rgba(255,255,255,.055); color: var(--muted); }
.factor-high { background: rgba(255,133,133,.13); color: #ffd4d4; }
.admin-grid { align-items: start; }
.day-checks { display: grid; grid-template-columns: repeat(7, 1fr); gap: .35rem; }
.day-checks label { cursor: pointer; }
.day-checks input { position: absolute; opacity: 0; pointer-events: none; }
.day-checks span { display: grid; place-items: center; padding: .58rem .2rem; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); }
.day-checks input:checked + span { color: var(--primary); border-color: var(--primary); background: rgba(139,226,139,.09); }
.progressive-layout { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(280px, .75fr); gap: 1.4rem; }
.progressive-preview { padding: 1rem; background: #121520; border: 1px solid var(--line); border-radius: 13px; align-self: start; }
.example-table { display: grid; gap: .4rem; }
.example-table > div { display: grid; grid-template-columns: 1fr auto; gap: .1rem .7rem; padding: .55rem 0; border-top: 1px solid var(--line); }
.example-table > div:first-child { border-top: 0; }
.example-table small { grid-column: 1 / -1; }
.reset-note { padding: .6rem; border-radius: 9px; background: rgba(139,226,139,.08); font-size: .84rem; }
.exception-row.is-disabled { opacity: .5; }
.modal { width: min(520px, calc(100% - 2rem)); color: var(--text); background: var(--panel); border: 1px solid var(--line-strong); border-radius: 18px; padding: 1.2rem; box-shadow: var(--shadow); }
.modal::backdrop { background: rgba(0,0,0,.66); backdrop-filter: blur(4px); }
.modal-head { display: flex; align-items: start; justify-content: space-between; }
.modal-head h2 { margin: .15rem 0; }

.notification-onboarding { display: grid; grid-template-columns: 1.2fr .8fr; gap: 1rem; margin-bottom: 1rem; align-items: center; }
.notification-user { padding: 0; overflow: hidden; }
.notification-user > summary { display: flex; align-items: center; gap: .7rem; padding: 1rem 1.2rem; list-style: none; }
.notification-user > summary::-webkit-details-marker { display: none; }
.notification-user > summary > span:nth-child(2) { display: grid; }
.summary-chevron { margin-left: auto; color: var(--muted); }
.notification-rules { border-top: 1px solid var(--line); }
.notification-rule { padding: 1.1rem 1.2rem; border-top: 1px solid var(--line); }
.notification-rule:first-child { border-top: 0; }
.notification-rule-title { display: flex; justify-content: space-between; align-items: start; gap: 1rem; }
.notification-rule-title h3 { margin: 0; }
.notification-rule-title p { margin: .25rem 0 .8rem; max-width: 760px; }
.switch-compact { display: flex; align-items: center; gap: .4rem; white-space: nowrap; }
.notification-rule-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .7rem; align-items: end; }
.check-card { display: flex; align-items: start; gap: .55rem; padding: .7rem; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.02); }
.check-card span { display: grid; }
.check-card small { font-size: .72rem; }
.sticky-save { position: sticky; bottom: .8rem; z-index: 10; display: flex; justify-content: end; margin-top: .5rem; }
.sticky-save .button { box-shadow: var(--shadow); }

.filter-form { min-width: 230px; }
.history-table-scroll { overflow-x: auto; }
.history-table { width: 100%; border-collapse: collapse; min-width: 900px; }
.history-table th, .history-table td { padding: .65rem .55rem; border-top: 1px solid var(--line); text-align: left; vertical-align: top; font-size: .85rem; }
.history-table th { color: var(--muted); border-top: 0; }
.history-table td:first-child { display: grid; }
.correction-row td { background: rgba(127,199,255,.04); }
.correction-form { display: grid; grid-template-columns: repeat(3, minmax(150px, .7fr)) minmax(250px, 1.5fr) auto; gap: .6rem; align-items: end; }
.history-grid { align-items: start; }
.history-ledger { max-height: 720px; overflow: auto; }
.history-ledger .ledger-row { align-items: start; }
.audit-list { display: grid; max-height: 720px; overflow: auto; }
.audit-row { position: relative; display: grid; grid-template-columns: 18px 1fr; gap: .5rem; padding: .75rem 0; border-top: 1px solid var(--line); }
.audit-row:first-child { border-top: 0; }
.audit-row > div { display: grid; gap: .15rem; }
.audit-row p { margin: .25rem 0; }
.audit-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--secondary); margin-top: .45rem; }
pre { white-space: pre-wrap; word-break: break-word; padding: .65rem; background: #0e1018; border-radius: 8px; color: #cbd1de; font-size: .72rem; }

.section-summary, .definition-card > summary { display: flex; justify-content: space-between; align-items: center; gap: 1rem; list-style: none; }
.section-summary span, .definition-card > summary span:first-child { display: grid; }
.activity-definition-form { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .7rem; align-items: end; margin-top: 1rem; }
.activity-definition-form .wide { grid-column: span 2; }
.option-lines { display: flex; flex-wrap: wrap; gap: .7rem 1rem; align-items: center; }
.definition-list { display: grid; gap: .7rem; margin-top: 1rem; }

.oauth-page { padding-top: 2rem; }
.permission-list { display: grid; gap: .7rem; }
.permission { display: grid; grid-template-columns: 36px 1fr; gap: .7rem; padding: .9rem; border: 1px solid rgba(139,226,139,.26); background: rgba(139,226,139,.06); border-radius: 11px; }
.permission > span { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; background: rgba(139,226,139,.15); color: var(--primary); font-weight: 900; }
.permission p { margin: .2rem 0 0; }
.permission-warning { border-color: rgba(255,212,121,.3); background: rgba(255,212,121,.06); }
.permission-warning > span { background: rgba(255,212,121,.15); color: var(--warning); }
.empty-state { max-width: 620px; margin: 4rem auto; text-align: center; }
.empty-icon { display: grid; place-items: center; width: 58px; height: 58px; margin: 0 auto 1rem; border-radius: 18px; background: var(--panel-3); color: var(--primary); font-size: 1.7rem; font-weight: 900; }

@media (max-width: 1050px) {
  .main-nav { position: fixed; left: 1rem; right: 1rem; top: 68px; display: none; padding: .7rem; background: #191d29; border: 1px solid var(--line); border-radius: 13px; box-shadow: var(--shadow); }
  .main-nav.is-open { display: grid; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .account-actions { margin-left: 0; }
  .user-name { display: none; }
  .review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .notification-rule-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .activity-definition-form { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .correction-form { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 780px) {
  .page-shell { width: min(100% - 1rem, var(--max)); padding-top: 1rem; }
  .topbar { padding-inline: .7rem; gap: .55rem; }
  .brand span:last-child { display: none; }
  .account-actions { gap: .3rem; }
  #enable-notifications { max-width: 104px; font-size: .72rem; }
  .auth-shell { grid-template-columns: 1fr; align-content: center; gap: 1rem; }
  .auth-intro h1 { font-size: 3.6rem; }
  .auth-intro p { font-size: 1rem; }
  .hero { display: grid; }
  .balance-orb { min-width: 0; width: 150px; justify-self: center; }
  .grid-two, .children-grid, .quick-grid, .parent-quick, .electronics-layout, .progressive-layout, .notification-onboarding, .history-grid { grid-template-columns: 1fr; }
  .split-header { display: grid; align-items: start; }
  .review-grid { grid-template-columns: 1fr; }
  .session-card { display: grid; }
  .notification-rule-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid.thirds { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .activity-definition-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .activity-definition-form .wide { grid-column: span 2; }
  .factor-picks { grid-template-columns: repeat(5, minmax(0,1fr)); }
  .section-heading { display: grid; }
  .price-legend { justify-content: start; }
  .sticky-save { justify-content: stretch; }
  .sticky-save .button { width: 100%; }
}

@media (max-width: 520px) {
  .card { border-radius: 15px; }
  .page-header h1 { font-size: 2.35rem; }
  .profile-picker { grid-template-columns: repeat(2, 1fr); }
  .quick-grid { grid-template-columns: 1fr; }
  .ledger-row, .activity-row, .exception-row, .device-row { align-items: start; }
  .activity-row { display: grid; }
  .activity-result { align-items: start; }
  .notification-rule-title { display: grid; }
  .notification-rule-grid { grid-template-columns: 1fr; }
  .form-grid, .form-grid.thirds { grid-template-columns: 1fr; }
  .duration-picks { grid-template-columns: repeat(2, 1fr); }
  .factor-picks { grid-template-columns: repeat(3, 1fr); }
  .decision-grid { grid-template-columns: 1fr; }
  .detail-list div { grid-template-columns: 1fr; gap: .2rem; }
  .activity-definition-form { grid-template-columns: 1fr; }
  .activity-definition-form .wide { grid-column: span 1; }
  .day-checks { grid-template-columns: repeat(7, minmax(35px, 1fr)); overflow-x: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

.timing-note {
  display: grid;
  align-content: center;
  gap: .25rem;
  min-height: 4.5rem;
  padding: .8rem 1rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius-small);
  background: var(--panel-2);
}
.timing-note small { color: var(--muted); }