:root {
  color-scheme: light;
  --bg: #f4efe6;
  --bg-accent: #ede2d1;
  --surface: rgba(255, 252, 246, 0.86);
  --surface-solid: #fffaf2;
  --surface-soft: rgba(255, 255, 255, 0.58);
  --text: #17181c;
  --muted: #66646a;
  --muted-2: #8b8580;
  --primary: #7b5c43;
  --primary-strong: #60442e;
  --on-primary: #fffaf2;
  --primary-soft: #efe2d1;
  --green: #4d7656;
  --green-soft: #e3f0e2;
  --blue: #526d92;
  --blue-soft: #e3eaf5;
  --danger: #a43a32;
  --danger-soft: #f8e4e1;
  --warning: #956812;
  --warning-soft: #fff0ca;
  --border: rgba(83, 69, 54, 0.13);
  --border-strong: rgba(83, 69, 54, 0.22);
  --shadow-sm: 0 10px 28px rgba(73, 53, 34, 0.08);
  --shadow: 0 22px 70px rgba(73, 53, 34, 0.14);
  --chip-bg: rgba(255, 255, 255, .38);
  --dock-bg: rgba(255, 252, 246, .82);
  --boot-card-bg: rgba(255, 252, 246, .72);
  --focus-ring: rgba(96, 68, 46, .24);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --dock-height: 82px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #090d14;
    --bg-accent: #111827;
    --surface: rgba(21, 27, 37, 0.82);
    --surface-solid: #151b25;
    --surface-soft: rgba(255, 255, 255, 0.06);
    --text: #f6f1eb;
    --muted: #c7c4c1;
    --muted-2: #969ca6;
    --primary: #c7a783;
    --primary-strong: #a98261;
    --on-primary: #120d09;
    --primary-soft: rgba(199, 167, 131, 0.16);
    --green: #97d5a4;
    --green-soft: rgba(151, 213, 164, 0.13);
    --blue: #9eb6df;
    --blue-soft: rgba(158, 182, 223, 0.13);
    --danger: #ffb5ad;
    --danger-soft: rgba(255, 181, 173, 0.13);
    --warning: #f5d083;
    --warning-soft: rgba(245, 208, 131, 0.14);
    --border: rgba(255, 255, 255, 0.10);
    --border-strong: rgba(255, 255, 255, 0.18);
    --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.24);
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
    --chip-bg: rgba(255, 255, 255, .075);
    --dock-bg: rgba(15, 20, 29, .86);
    --boot-card-bg: rgba(21, 27, 37, .62);
    --focus-ring: rgba(199, 167, 131, .28);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #090d14;
  --bg-accent: #111827;
  --surface: rgba(21, 27, 37, 0.82);
  --surface-solid: #151b25;
  --surface-soft: rgba(255, 255, 255, 0.06);
  --text: #f6f1eb;
  --muted: #c7c4c1;
  --muted-2: #969ca6;
  --primary: #c7a783;
  --primary-strong: #a98261;
  --on-primary: #120d09;
  --primary-soft: rgba(199, 167, 131, 0.16);
  --green: #97d5a4;
  --green-soft: rgba(151, 213, 164, 0.13);
  --blue: #9eb6df;
  --blue-soft: rgba(158, 182, 223, 0.13);
  --danger: #ffb5ad;
  --danger-soft: rgba(255, 181, 173, 0.13);
  --warning: #f5d083;
  --warning-soft: rgba(245, 208, 131, 0.14);
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.18);
  --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.24);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --chip-bg: rgba(255, 255, 255, .075);
  --dock-bg: rgba(15, 20, 29, .86);
  --boot-card-bg: rgba(21, 27, 37, .62);
  --focus-ring: rgba(199, 167, 131, .28);
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  color: var(--text);
  background:
    radial-gradient(circle at 7% 4%, rgba(123, 92, 67, .18), transparent 28%),
    radial-gradient(circle at 92% 0%, rgba(82, 109, 146, .16), transparent 30%),
    radial-gradient(circle at 65% 86%, rgba(77, 118, 86, .12), transparent 34%),
    linear-gradient(180deg, var(--surface-solid) 0%, var(--bg) 42%, var(--bg-accent) 100%);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
button, input, a { font: inherit; }
button { color: inherit; }
button, a { touch-action: manipulation; }
img { max-width: 100%; display: block; }

.app-shell { min-height: 100vh; min-height: 100dvh; }
.backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(123, 92, 67, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123, 92, 67, .045) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
}
.boot-screen {
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 14px;
  text-align: center;
  padding: max(32px, env(safe-area-inset-top)) 24px max(32px, env(safe-area-inset-bottom));
}
.boot-logo { width: 96px; height: 96px; border-radius: 28px; box-shadow: var(--shadow); background: var(--boot-card-bg); padding: 4px; }
.boot-screen h1 { margin: 8px 0 0; font-size: clamp(2.2rem, 9vw, 4.4rem); letter-spacing: -.06em; }
.boot-screen p, .noscript { color: var(--muted); }

.page {
  position: relative;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: max(14px, env(safe-area-inset-top)) 16px calc(var(--dock-height) + env(safe-area-inset-bottom) + 24px);
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0 16px;
  backdrop-filter: blur(20px);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-icon { width: 46px; height: 46px; border-radius: 15px; box-shadow: var(--shadow-sm); }
.brand-title { font-weight: 900; font-size: 1.12rem; letter-spacing: -0.04em; }
.brand-subtitle { color: var(--muted); font-size: .82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.network-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: .85rem;
  font-weight: 800;
  box-shadow: var(--shadow-sm);
}
.network-pill::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px var(--green-soft); }
.network-pill.offline::before { background: var(--danger); box-shadow: 0 0 0 5px var(--danger-soft); }
.main-content { display: grid; gap: 16px; }
.screen { display: grid; gap: 16px; animation: appear .25s ease-out; }
@keyframes appear { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.hero-card, .settings-card, .day-card, .pair-card, .empty-state, .notice, .announcement-banner, .modal-card, .now-card, .group-nudge, .mini-week, .changes-card, .free-windows {
  border: 1px solid var(--border);
  background: linear-gradient(140deg, var(--surface), var(--surface-soft));
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}
.hero-card {
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  padding: clamp(20px, 4vw, 32px);
  min-height: 190px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}
.hero-card::before {
  content: '';
  position: absolute;
  inset: -30% -14% auto auto;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(123, 92, 67, .20), transparent 68%);
}
.hero-card::after {
  content: '';
  position: absolute;
  inset: auto auto -46% -20%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(77, 118, 86, .13), transparent 68%);
}
.compact-hero { min-height: 138px; }
.schedule-hero { min-height: 156px; }
.hero-copy, .hero-actions { position: relative; z-index: 1; }
.hero-copy { min-width: 0; max-width: 780px; }
.eyebrow {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--primary-strong);
  font-size: .78rem;
  font-weight: 950;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.hero-card h1, .section-title h2, .day-card h2, .settings-card h2 { margin: 0; letter-spacing: -0.045em; }
.hero-card h1 { font-size: clamp(2.25rem, 8vw, 4.8rem); line-height: .92; max-width: 760px; }
.hero-card p, .settings-card p, .section-title p, .day-card p { color: var(--muted); margin: 9px 0 0; line-height: 1.45; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }
.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 16px;
}
.hero-metrics span {
  display: inline-grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  gap: 7px;
  min-height: 40px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--chip-bg);
}
.hero-metrics b { font-size: 1.08rem; }
.hero-metrics em { color: var(--muted); font-size: .78rem; font-style: normal; font-weight: 800; }

.icon-button, .refresh-button, .primary-button, .soft-button, .text-button, .danger-button, .primary-link {
  border: 0;
  border-radius: 999px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease, border-color .16s ease;
}
.icon-button { width: 46px; height: 46px; font-size: 1.35rem; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.refresh-button { padding: 0 14px; background: var(--surface); border: 1px solid var(--border); color: var(--primary-strong); box-shadow: var(--shadow-sm); }
.primary-button, .primary-link { padding: 0 18px; background: var(--primary-strong); color: var(--on-primary); box-shadow: 0 15px 34px rgba(96, 68, 46, .22); }
.soft-button { padding: 0 16px; background: var(--primary-soft); border: 1px solid var(--border); color: var(--primary-strong); }
.text-button { padding: 0 4px; width: fit-content; background: transparent; color: var(--primary-strong); }
.danger-button { padding: 0 16px; background: var(--danger-soft); border: 1px solid rgba(164, 58, 50, .25); color: var(--danger); }
.icon-button:hover, .refresh-button:hover, .primary-button:hover, .primary-link:hover, .soft-button:hover, .danger-button:hover, .dock-item:hover, .day-pill:hover, .teacher-row:hover, .picker-row:hover { transform: translateY(-1px); }
.icon-button:focus-visible, .refresh-button:focus-visible, .primary-button:focus-visible, .primary-link:focus-visible, .soft-button:focus-visible, .danger-button:focus-visible, .segmented button:focus-visible, .dock-item:focus-visible, .day-pill:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.is-spinning span { display: inline-block; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.message-stack { display: grid; gap: 8px; width: 100%; align-self: stretch; }
.notice { border-radius: var(--radius-md); padding: 12px 14px; font-weight: 800; width: 100%; line-height: 1.35; overflow-wrap: anywhere; }
.notice.offline { background: var(--danger-soft); color: var(--danger); }
.notice.warning { background: var(--warning-soft); color: var(--warning); }
.notice.error { background: var(--danger-soft); color: var(--danger); }
.friendly-error {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 12px;
  align-items: center;
}
.friendly-error strong { font-size: 1.05rem; }
.friendly-error span { color: var(--muted); font-weight: 750; }
.friendly-error .soft-button { grid-row: 1 / span 2; grid-column: 2; }

.announcement-banner {
  --announcement-accent: var(--blue);
  --announcement-soft: var(--blue-soft);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  min-height: 76px;
  padding: 14px;
  border-radius: 26px;
  animation: appear .22s ease-out;
}
.announcement-banner::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--announcement-accent);
  opacity: .9;
}
.announcement-banner.success { --announcement-accent: var(--green); --announcement-soft: var(--green-soft); }
.announcement-banner.warning { --announcement-accent: var(--warning); --announcement-soft: var(--warning-soft); }
.announcement-banner.info { --announcement-accent: var(--blue); --announcement-soft: var(--blue-soft); }
.announcement-icon {
  width: 48px;
  height: 48px;
  border-radius: 17px;
  display: grid;
  place-items: center;
  background: var(--announcement-soft);
  color: var(--announcement-accent);
  flex: 0 0 auto;
}
.announcement-icon svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.1;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.announcement-copy { min-width: 0; display: grid; gap: 3px; }
.announcement-copy span {
  color: var(--announcement-accent);
  font-size: .72rem;
  font-weight: 950;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.announcement-copy strong { font-size: 1.03rem; letter-spacing: -.03em; }
.announcement-copy p { margin: 0; color: var(--muted); line-height: 1.35; overflow-wrap: anywhere; }
.announcement-close {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--surface-soft);
  color: var(--muted);
  cursor: pointer;
  font-size: 1.35rem;
  line-height: 1;
}
.announcement-close:hover { color: var(--text); transform: translateY(-1px); }
.announcement-close:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }

.sync-line { display: flex; align-items: center; gap: 8px; margin-top: 13px; color: var(--muted); font-size: .92rem; font-weight: 800; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px var(--green-soft); }
.status-dot.offline { background: var(--danger); box-shadow: 0 0 0 5px var(--danger-soft); }

.now-card {
  border-radius: 28px;
  padding: 16px;
  display: grid;
  grid-template-columns: minmax(150px, .34fr) minmax(0, 1fr);
  gap: 16px;
  align-items: center;
}
.now-card.current { border-color: rgba(77,118,86,.35); }
.now-card.next { border-color: rgba(82,109,146,.28); }
.now-label {
  display: grid;
  gap: 5px;
  padding: 14px;
  border-radius: 22px;
  background: var(--primary-soft);
  color: var(--primary-strong);
}
.now-card.current .now-label { background: var(--green-soft); color: var(--green); }
.now-card.next .now-label { background: var(--blue-soft); color: var(--blue); }
.now-label span { font-size: .78rem; font-weight: 950; letter-spacing: .08em; text-transform: uppercase; }
.now-label strong { font-size: 1.2rem; letter-spacing: -.03em; }
.now-main {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.now-main h2 { margin: 0; font-size: clamp(1.35rem, 4vw, 2.15rem); line-height: 1.05; letter-spacing: -.045em; }
.now-main p { margin: 7px 0 0; color: var(--muted); line-height: 1.35; }

.group-nudge {
  border-radius: 24px;
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.group-nudge strong { display: block; font-size: 1.02rem; letter-spacing: -.03em; }
.group-nudge p { margin: 4px 0 0; color: var(--muted); line-height: 1.35; }
.group-nudge > div:last-child { display: flex; gap: 8px; flex: 0 0 auto; }

.changes-card {
  border-radius: 24px;
  padding: 14px 16px;
}
.changes-card span {
  color: var(--green);
  font-size: .74rem;
  font-weight: 950;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.changes-card strong { display: block; margin-top: 3px; font-size: 1.08rem; letter-spacing: -.03em; }
.changes-card p { margin: 5px 0 0; color: var(--muted); line-height: 1.35; }

.mini-week {
  border-radius: 26px;
  padding: 14px;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}
.mini-week button {
  min-width: 0;
  min-height: 86px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface-soft);
  color: var(--muted);
  cursor: pointer;
  display: grid;
  align-content: end;
  justify-items: center;
  gap: 5px;
  padding: 8px;
}
.mini-week button.selected { background: var(--primary-soft); color: var(--primary-strong); border-color: var(--border-strong); }
.mini-week button.today { box-shadow: inset 0 0 0 2px var(--primary-soft); }
.mini-week span {
  width: 18px;
  border-radius: 999px 999px 4px 4px;
  background: currentColor;
  opacity: .42;
}
.mini-week b { font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; }
.mini-week em { font-style: normal; font-weight: 950; color: var(--text); }

.segmented {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.segmented.small, .settings-tabs { grid-template-columns: repeat(2, 1fr); }
.settings-tabs { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 14px; }
.segmented button {
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-weight: 900;
  cursor: pointer;
}
.segmented button.selected { background: var(--primary-strong); color: var(--on-primary); box-shadow: var(--shadow-sm); }

.day-pills {
  display: grid;
  grid-template-columns: repeat(7, minmax(88px, 1fr));
  gap: 10px;
  overflow-x: auto;
  padding: 2px 2px 8px;
  scrollbar-width: none;
}
.day-pills::-webkit-scrollbar { display: none; }
.day-pill {
  min-height: 88px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface);
  color: var(--text);
  display: grid;
  gap: 4px;
  align-content: center;
  justify-items: start;
  padding: 12px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}
.day-pill span { color: var(--muted); font-size: .78rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.day-pill strong { font-size: 1.25rem; letter-spacing: -.04em; }
.day-pill em { justify-self: start; min-width: 26px; height: 26px; padding: 0 8px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; background: var(--primary-soft); color: var(--primary-strong); font-style: normal; font-weight: 950; }
.day-pill.today { border-color: var(--border-strong); }
.day-pill.selected { background: var(--primary-strong); color: var(--on-primary); }
.day-pill.selected span, .day-pill.selected em { color: var(--on-primary); }
.day-pill.selected em { background: rgba(255,255,255,.18); }
.today-shortcut {
  width: fit-content;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--primary-strong);
  font-weight: 900;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.section-title { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; }
.focus-badge { border: 1px solid var(--border); border-radius: 999px; padding: 10px 14px; background: var(--surface); color: var(--muted); font-weight: 900; box-shadow: var(--shadow-sm); }
.focus-badge.current { background: var(--green-soft); color: var(--green); }
.focus-badge.next { background: var(--blue-soft); color: var(--blue); }
.free-windows {
  border-radius: 24px;
  padding: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: space-between;
}
.free-windows strong { color: var(--primary-strong); }
.free-windows div { display: flex; flex-wrap: wrap; gap: 7px; justify-content: flex-end; }
.free-windows span {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  padding: 0 11px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 900;
  font-size: .86rem;
}
.cards-list { display: grid; gap: 12px; }
.timeline-list {
  position: relative;
  padding-left: 18px;
}
.timeline-list::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 999px;
  background: var(--border-strong);
}
.timeline-list .pair-card { overflow: visible; }
.week-list { gap: 16px; }
.day-card { border-radius: var(--radius-xl); padding: 16px; }
.day-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.pair-card {
  position: relative;
  overflow: hidden;
  border-radius: 26px;
  padding: 16px;
  display: grid;
  gap: 14px;
}
.timeline-list .pair-card::before {
  content: '';
  position: absolute;
  left: -16px;
  top: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--surface-solid);
  border: 2px solid var(--primary-strong);
  box-shadow: 0 0 0 5px var(--primary-soft);
}
.timeline-list .pair-card.current::before {
  border-color: var(--green);
  box-shadow: 0 0 0 5px var(--green-soft);
}
.timeline-list .pair-card.future::before {
  border-color: var(--blue);
  box-shadow: 0 0 0 5px var(--blue-soft);
}
.pair-card.current { border-color: rgba(77,118,86,.35); box-shadow: 0 20px 55px rgba(77,118,86,.14); }
.pair-card.future { border-color: rgba(82,109,146,.24); }
.pair-card.compact { margin-top: 10px; box-shadow: var(--shadow-sm); }
.pair-topline { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.pair-topline div { display: grid; gap: 4px; }
.pair-number { color: var(--muted); font-size: .78rem; font-weight: 950; text-transform: uppercase; letter-spacing: .08em; }
.pair-topline strong { font-size: 1.18rem; letter-spacing: -.03em; }
.pair-status { padding: 7px 10px; border-radius: 999px; background: var(--green-soft); color: var(--green); font-weight: 950; font-size: .8rem; }
.lesson-stack { display: grid; gap: 10px; }
.pair-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
.pair-note {
  margin: 0;
  color: var(--primary-strong);
  font-weight: 800;
  line-height: 1.35;
}
.note-button { min-height: 34px; white-space: nowrap; }
.lesson-row {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 14px;
  background: rgba(255,255,255,.34);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}
.lesson-main { min-width: 0; }
.lesson-main h3 { margin: 0; font-size: 1.08rem; letter-spacing: -.03em; }
.lesson-main p { margin: 7px 0 0; color: var(--muted); line-height: 1.38; }
.lesson-comment { color: var(--primary-strong) !important; font-weight: 750; }
.lesson-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 9px;
}
.lesson-chips span, .room-badge {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 900;
}
.lesson-chips span {
  padding: 0 10px;
  background: var(--surface-soft);
  color: var(--muted);
  border: 1px solid var(--border);
}
.room-badge {
  flex: 0 0 auto;
  padding: 0 12px;
  background: var(--primary-soft);
  color: var(--primary-strong);
  white-space: nowrap;
}

.empty-state { border-radius: var(--radius-xl); padding: 28px; display: grid; gap: 10px; justify-items: start; }
.empty-state.big { min-height: 360px; align-content: center; justify-items: center; text-align: center; }
.empty-icon { width: 54px; height: 54px; border-radius: 18px; display: grid; place-items: center; background: var(--primary-soft); font-size: 1.6rem; }
.empty-state h2, .empty-state h3 { margin: 0; letter-spacing: -.04em; }
.empty-state p, .mini-empty { color: var(--muted); }
.mini-empty { padding: 16px; border-radius: 18px; background: var(--surface-soft); text-align: center; }

.search-field {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.search-field input { width: 100%; border: 0; outline: none; background: transparent; color: var(--text); min-height: 52px; }
.search-field input::placeholder { color: var(--muted-2); }
.schedule-search { position: sticky; top: 76px; z-index: 12; backdrop-filter: blur(16px); }

.search-clear {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--surface-soft);
  color: var(--muted);
  cursor: pointer;
  font-size: 1.18rem;
  line-height: 1;
  transition: transform .16s ease, color .16s ease, background .16s ease;
}
.search-clear:hover { color: var(--text); transform: translateY(-1px); }
.search-clear:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.picker-empty { display: grid; gap: 5px; text-align: left; }
.picker-empty strong { color: var(--text); }
.picker-empty span { color: var(--muted); line-height: 1.4; }
.choose-group-empty .eyebrow { color: var(--primary-strong); }
.sticky-search { position: sticky; top: 76px; z-index: 12; backdrop-filter: blur(16px); }
.teacher-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.teacher-row, .picker-row {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px;
  text-align: left;
  cursor: pointer;
}
.teacher-avatar {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border-radius: 17px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-weight: 950;
}
.teacher-copy { min-width: 0; display: grid; gap: 3px; }
.teacher-copy strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.teacher-copy em, .picker-row em { color: var(--muted); font-style: normal; font-size: .86rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.teacher-star { margin-left: auto; color: var(--primary-strong); font-weight: 950; }

.modal-backdrop { position: fixed; inset: 0; z-index: 80; display: grid; place-items: end center; padding: 16px; background: rgba(8, 10, 13, .38); backdrop-filter: blur(10px); }
.modal-card { width: min(720px, 100%); max-height: min(760px, 92vh); overflow: hidden; display: grid; gap: 14px; border-radius: 32px; padding: 18px; }
.note-modal { width: min(560px, 100%); }
.privacy-backdrop {
  z-index: 100;
  place-items: center;
  overflow: auto;
  padding: max(18px, env(safe-area-inset-top)) 18px max(18px, env(safe-area-inset-bottom));
  background:
    radial-gradient(circle at 18% 18%, rgba(199, 167, 131, .32), transparent 28%),
    radial-gradient(circle at 80% 8%, rgba(82, 109, 146, .30), transparent 30%),
    radial-gradient(circle at 64% 88%, rgba(77, 118, 86, .24), transparent 34%),
    linear-gradient(rgba(255, 255, 255, .052) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .052) 1px, transparent 1px),
    linear-gradient(180deg, rgba(8, 10, 13, .60), rgba(8, 10, 13, .72));
  background-size: auto, auto, auto, 34px 34px, 34px 34px, auto;
}
.privacy-glow {
  position: fixed;
  pointer-events: none;
  filter: blur(3px);
  opacity: .8;
  border-radius: 999px;
}
.privacy-glow-one {
  width: 220px;
  height: 220px;
  top: 7vh;
  left: max(18px, 8vw);
  background: radial-gradient(circle, rgba(255, 250, 242, .20), transparent 62%);
}
.privacy-glow-two {
  width: 260px;
  height: 260px;
  right: max(18px, 9vw);
  bottom: 6vh;
  background: radial-gradient(circle, rgba(151, 213, 164, .20), transparent 64%);
}
.privacy-modal {
  position: relative;
  width: min(860px, 100%);
  place-self: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .26);
  background:
    linear-gradient(135deg, rgba(255, 252, 246, .92), rgba(255, 250, 242, .78)),
    var(--surface-solid);
  backdrop-filter: blur(26px);
  -webkit-backdrop-filter: blur(26px);
  box-shadow: 0 32px 100px rgba(8, 10, 13, .34);
  padding: clamp(20px, 4vw, 34px);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .privacy-modal {
    border-color: rgba(255, 255, 255, .14);
    background:
      linear-gradient(135deg, rgba(21, 27, 37, .92), rgba(15, 20, 29, .78)),
      var(--surface-solid);
  }
}
:root[data-theme="dark"] .privacy-modal {
  border-color: rgba(255, 255, 255, .14);
  background:
    linear-gradient(135deg, rgba(21, 27, 37, .92), rgba(15, 20, 29, .78)),
    var(--surface-solid);
}
.privacy-first-screen::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 8px;
  background: linear-gradient(90deg, var(--blue), var(--green), var(--primary-strong));
}
.privacy-first-screen::after {
  content: '';
  position: absolute;
  inset: -120px -80px auto auto;
  width: 310px;
  height: 310px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(123, 92, 67, .22), transparent 68%);
  pointer-events: none;
}
.privacy-hero {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  text-align: center;
}
.privacy-title {
  min-width: 0;
  width: min(100%, 760px);
}
.privacy-title .eyebrow {
  color: var(--blue);
  background: var(--blue-soft);
  width: fit-content;
  margin-inline: auto;
  padding: 7px 11px;
  border-radius: 999px;
}
.privacy-modal h2 {
  margin: 14px auto 0;
  max-width: 13ch;
  font-size: clamp(2.35rem, 6.3vw, 4.9rem);
  line-height: .92;
  letter-spacing: -.065em;
}
.privacy-modal p { margin: 16px auto 0; color: var(--muted); line-height: 1.58; max-width: 62ch; }
.privacy-modal p a { color: var(--primary-strong); font-weight: 950; text-decoration: underline; text-underline-offset: 4px; }
.privacy-points {
  position: relative;
  z-index: 1;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.privacy-points li {
  position: relative;
  min-height: 140px;
  padding: 52px 15px 16px;
  border: 1px solid var(--border);
  border-radius: 26px;
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
  color: var(--muted);
  line-height: 1.38;
  box-shadow: var(--shadow-sm);
}
.privacy-points li::before {
  content: '✓';
  position: absolute;
  top: 14px;
  left: 14px;
  width: 32px;
  height: 32px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--green-soft);
  color: var(--green);
  font-weight: 950;
}
.privacy-points strong { display: block; margin-bottom: 6px; color: var(--text); letter-spacing: -.02em; }
.privacy-points span { display: block; font-size: .92rem; }
.privacy-note {
  position: relative;
  z-index: 1;
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 22px;
  background: var(--surface);
  color: var(--muted);
  font-weight: 750;
  text-align: center;
}
.privacy-actions {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 16px;
}
.privacy-actions .primary-button {
  min-height: 54px;
  padding-inline: 24px;
}
.privacy-policy-link { min-height: 54px; }
.primary-button:disabled,
.primary-button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: .48;
  transform: none;
  box-shadow: none;
}
.primary-button:disabled:hover,
.primary-button[aria-disabled="true"]:hover { transform: none; }

.modal-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.modal-header h2 { margin: 0; letter-spacing: -.04em; }
.modal-header p { color: var(--muted); margin: 6px 0 0; }
.picker-list { display: grid; gap: 10px; overflow: auto; padding-right: 2px; }
.picker-row span { display: grid; gap: 3px; min-width: 0; }
.picker-row b { margin-left: auto; color: var(--primary-strong); }
.picker-row.selected { border-color: var(--border-strong); background: var(--primary-soft); }
.note-field textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  color: var(--text);
  padding: 13px;
  outline: none;
  line-height: 1.4;
}
.note-field textarea:focus { box-shadow: 0 0 0 3px var(--focus-ring); border-color: var(--border-strong); }
.note-actions { display: flex; justify-content: space-between; gap: 10px; }

.settings-card { border-radius: var(--radius-xl); padding: 20px; display: grid; gap: 12px; }
.settings-card.subtle { opacity: .92; }
.stats-list { list-style: none; padding: 0; margin: 6px 0 0; display: grid; gap: 8px; }
.stats-list li { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.stats-list li:last-child { border-bottom: 0; }
.stats-list span, .muted { color: var(--muted); }
.stats-list strong { font-size: 1.05rem; }
.legal-list { list-style: none; padding: 0; margin: 2px 0 0; display: grid; gap: 8px; }
.legal-list li { margin: 0; }
.legal-list a, .legal-list span {
  min-height: 42px;
  display: flex;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-soft);
  color: var(--text);
  line-height: 1.35;
  text-decoration: none;
}
.legal-list a { color: var(--primary-strong); font-weight: 900; }

.dock {
  position: fixed;
  left: 50%;
  bottom: max(12px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 50;
  width: min(580px, calc(100% - 24px));
  min-height: 76px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--border-strong);
  border-radius: 30px;
  background: var(--dock-bg);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: var(--shadow);
}
.dock-item {
  border: 1px solid transparent;
  border-radius: 23px;
  display: grid;
  place-items: center;
  gap: 4px;
  padding: 8px 6px 7px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  transition: transform .16s ease, background-color .16s ease, color .16s ease, border-color .16s ease;
}
.dock-icon {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  color: currentColor;
}
.dock-icon svg {
  width: 23px;
  height: 23px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.dock-label { line-height: 1.05; }
.dock-item.active {
  background: linear-gradient(180deg, var(--primary-strong), var(--primary));
  color: var(--on-primary);
  border-color: rgba(255, 250, 242, 0.18);
  box-shadow: 0 10px 24px rgba(73, 53, 34, 0.16);
}


@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .primary-button,
  :root:not([data-theme="light"]) .primary-link,
  :root:not([data-theme="light"]) .segmented button.selected,
  :root:not([data-theme="light"]) .dock-item.active,
  :root:not([data-theme="light"]) .day-pill.selected {
    box-shadow: none;
  }

  :root:not([data-theme="light"]) .icon-button,
  :root:not([data-theme="light"]) .refresh-button,
  :root:not([data-theme="light"]) .segmented,
  :root:not([data-theme="light"]) .day-pill,
  :root:not([data-theme="light"]) .dock,
  :root:not([data-theme="light"]) .network-pill {
    border-color: var(--border-strong);
  }
}

:root[data-theme="dark"] .primary-button,
:root[data-theme="dark"] .primary-link,
:root[data-theme="dark"] .segmented button.selected,
:root[data-theme="dark"] .dock-item.active,
:root[data-theme="dark"] .day-pill.selected {
  box-shadow: none;
}

:root[data-theme="dark"] .icon-button,
:root[data-theme="dark"] .refresh-button,
:root[data-theme="dark"] .segmented,
:root[data-theme="dark"] .day-pill,
:root[data-theme="dark"] .dock,
:root[data-theme="dark"] .network-pill {
  border-color: var(--border-strong);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .dock-item.active {
    background: rgba(199, 167, 131, 0.18);
    color: #f6f1eb;
    border-color: rgba(199, 167, 131, 0.28);
  }
}

:root[data-theme="dark"] .dock-item.active {
  background: rgba(199, 167, 131, 0.18);
  color: #f6f1eb;
  border-color: rgba(199, 167, 131, 0.28);
}

:root[data-theme="dark"] .announcement-close { background: rgba(255, 255, 255, 0.055); }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .announcement-close { background: rgba(255, 255, 255, 0.055); }
}

@media (min-width: 820px) {
  .main-content { grid-template-columns: minmax(0, 1fr); }
  .settings-screen { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .settings-screen .hero-card, .settings-screen .settings-card.subtle { grid-column: 1 / -1; }
  .cards-list:not(.teacher-list) { gap: 14px; }
}
@media (min-width: 1120px) { .teacher-list { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 720px) {
  .topbar-actions .network-pill, .refresh-button b { display: none; }
  .page { padding-inline: 12px; }
  .hero-card { flex-direction: column; border-radius: 30px; }
  .schedule-hero { min-height: 0; }
  .hero-actions { width: 100%; justify-content: stretch; }
  .hero-actions .primary-button { flex: 1; }
  .hero-card h1 { font-size: 2.55rem; }
  .schedule-hero h1 { font-size: 2.05rem; line-height: 1; }
  .now-card { grid-template-columns: 1fr; border-radius: 26px; }
  .now-main { align-items: flex-start; }
  .friendly-error { grid-template-columns: 1fr; }
  .friendly-error .soft-button { grid-row: auto; grid-column: auto; width: fit-content; }
  .group-nudge { align-items: stretch; flex-direction: column; }
  .group-nudge > div:last-child { width: 100%; }
  .group-nudge .primary-button { flex: 1; }
  .lesson-row { flex-direction: column; }
  .room-badge { align-self: flex-start; }
  .mini-week { grid-template-columns: repeat(6, 72px); overflow-x: auto; scrollbar-width: none; }
  .mini-week::-webkit-scrollbar { display: none; }
  .free-windows { align-items: flex-start; flex-direction: column; }
  .free-windows div { justify-content: flex-start; }
  .pair-actions { align-items: flex-start; flex-direction: column; }
  .day-pills { grid-template-columns: repeat(7, 88px); margin-inline: -2px; }
  .section-title { align-items: flex-start; flex-direction: column; }
  .teacher-list { grid-template-columns: 1fr; }
  .settings-tabs { grid-template-columns: repeat(3, minmax(0, 1fr)); border-radius: 22px; }
  .settings-tabs button { min-height: 46px; border-radius: 16px; font-size: .92rem; padding-inline: 6px; }
  .dock { min-height: 64px; border-radius: 24px; padding: 7px; gap: 6px; }
  .dock-item { border-radius: 20px; padding: 7px 5px 6px; }
  .announcement-banner { grid-template-columns: auto minmax(0, 1fr); align-items: flex-start; padding: 13px; border-radius: 24px; }
  .announcement-close { position: absolute; top: 10px; right: 10px; width: 34px; height: 34px; }
  .announcement-copy { padding-right: 34px; }
  :root { --dock-height: 76px; }
  .modal-backdrop { padding: 10px; }
  .modal-card { border-radius: 28px; }
  .privacy-points { grid-template-columns: 1fr; }
  .privacy-points li { min-height: 0; }
  .privacy-actions { align-items: stretch; flex-direction: column; }
  .privacy-actions .primary-link, .privacy-actions .primary-button, .privacy-policy-link { width: 100%; }
}
@media (max-width: 520px) {
  .privacy-backdrop { padding: 10px; }
  .privacy-modal { max-height: calc(100dvh - 20px); overflow: auto; padding: 16px; }
  .privacy-hero { gap: 0; }
  .privacy-modal h2 { max-width: none; margin-top: 10px; font-size: clamp(1.72rem, 8.6vw, 2.18rem); letter-spacing: -.055em; }
  .privacy-modal p { margin-top: 10px; font-size: .9rem; line-height: 1.42; }
  .privacy-points { margin-top: 12px; gap: 7px; }
  .privacy-points li {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 3px 10px;
    align-items: center;
    min-height: 0;
    padding: 9px;
    border-radius: 18px;
  }
  .privacy-points li::before {
    position: static;
    grid-row: 1 / span 2;
    width: 30px;
    height: 30px;
    border-radius: 11px;
  }
  .privacy-points strong { margin-bottom: 0; }
  .privacy-points span { font-size: .84rem; }
  .privacy-note { margin-top: 10px; padding: 10px 12px; font-size: .86rem; }
  .privacy-actions { margin-top: 10px; gap: 8px; }
  .privacy-actions .primary-button, .privacy-policy-link { min-height: 46px; }
}
@media (max-width: 380px) {
  .brand-subtitle { display: none; }
  .hero-metrics span { grid-template-columns: 1fr; gap: 0; border-radius: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}