/* Semester Command — dark, iPhone-first UI. */
:root {
  --bg: #0f1420;
  --bg-2: #161d2d;
  --card: #1b2333;
  --card-2: #212b3d;
  --line: #2c3852;
  --text: #eaf0fb;
  --muted: #94a3bf;
  --muted-2: #6d7c99;
  --accent: #5b8cff;
  --accent-ink: #cfe0ff;
  --good: #4ac08a;
  --warn: #e0a53d;
  --bad: #e0533d;
  --exam: #e0533d;
  --radius: 16px;
  --tabbar-h: 62px;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  padding-bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.01em; }
a { color: var(--accent); text-decoration: none; }
.hidden { display: none !important; }

/* ---- Layout ---- */
.view { padding: calc(env(safe-area-inset-top) + 14px) 16px 20px; max-width: 640px; margin: 0 auto; }
.page-head { margin-bottom: 16px; }
.page-head .eyebrow { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
.page-head h1 { font-size: 27px; margin-top: 2px; }
.section-title { color: var(--muted); font-size: 12.5px; text-transform: uppercase; letter-spacing: .09em; margin: 22px 0 10px; }

/* ---- Cards ---- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 12px; }
.card.tight { padding: 13px 14px; }
.row { display: flex; align-items: center; gap: 12px; }
.row.between { justify-content: space-between; }
.spacer { flex: 1; }

/* ---- Badges / chips ---- */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; background: var(--card-2); color: var(--muted); }
.badge.school { background: #1e2f4a; color: #9dc1ff; }
.badge.work { background: #3a2a1c; color: #f0c088; }
.badge.free { background: #1c3a2c; color: #86e0b0; }
.badge.mass { background: #33244a; color: #c7a8f0; }
.dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }

/* ---- Countdown hero ---- */
.hero { background: linear-gradient(135deg, #202b45, #171f30); border: 1px solid var(--line); border-radius: 20px; padding: 18px; margin-bottom: 14px; text-align: center; }
.hero .big { font-size: 44px; font-weight: 800; letter-spacing: -0.02em; line-height: 1; }
.hero .big small { font-size: 16px; font-weight: 600; color: var(--muted); }
.hero .cap { color: var(--muted); font-size: 13px; margin-top: 6px; }
.progress { height: 8px; background: #0e1626; border-radius: 999px; overflow: hidden; margin-top: 12px; }
.progress > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), #7dd3fc); border-radius: 999px; }

/* ---- Timeline (Today) ---- */
.timeline { position: relative; }
.tl-item { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.tl-item:last-child { border-bottom: 0; }
.tl-time { width: 62px; flex: none; color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; padding-top: 1px; }
.tl-body { flex: 1; }
.tl-body .t { font-weight: 600; }
.tl-body .s { color: var(--muted); font-size: 13.5px; }
.tl-accent { width: 3px; border-radius: 3px; flex: none; }

/* ---- Deliverable rows ---- */
.due { display: flex; align-items: flex-start; gap: 11px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.due:last-child { border-bottom: 0; }
.due .chk { width: 22px; height: 22px; border-radius: 7px; border: 2px solid var(--muted-2); flex: none; margin-top: 1px; display: grid; place-items: center; color: transparent; cursor: pointer; transition: .15s; }
.due.done .chk { background: var(--good); border-color: var(--good); color: #06231a; }
.due.done .due-title { text-decoration: line-through; color: var(--muted); }
.due-title { font-weight: 600; }
.due-meta { color: var(--muted); font-size: 13px; margin-top: 2px; display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; }
.pill { font-size: 11.5px; font-weight: 700; padding: 2px 8px; border-radius: 6px; background: var(--card-2); color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.pill.exam { background: #3a1f1a; color: #ff9d88; }
.pill.paper { background: #1f2f45; color: #9dc1ff; }
.pill.quiz { background: #2a2540; color: #c0aef0; }
.pill.assignment, .pill.prep { background: #26313f; color: #a7c0d8; }
.pill.admin { background: #3a3320; color: #e6cf88; }
.when { font-variant-numeric: tabular-nums; }
.when.soon { color: var(--warn); font-weight: 700; }
.when.today { color: var(--bad); font-weight: 700; }
.week-sep { color: var(--muted-2); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; margin: 18px 0 4px; }

/* ---- LSAT ---- */
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 13px; text-align: center; }
.stat .n { font-size: 26px; font-weight: 800; }
.stat .l { color: var(--muted); font-size: 12px; margin-top: 2px; }
.phase-list li { margin: 7px 0; color: var(--muted); font-size: 14px; }
.ladder { display: flex; flex-direction: column; gap: 0; }
.ladder .step { display: flex; align-items: center; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.ladder .step:last-child { border-bottom: 0; }
.ladder .sc { font-size: 20px; font-weight: 800; width: 54px; font-variant-numeric: tabular-nums; }
.ladder .step.hit .sc { color: var(--good); }
.ladder .step.target .sc { color: var(--accent); }
.log-input { display: flex; gap: 8px; margin-top: 10px; }
.log-input input { flex: 1; background: var(--bg-2); border: 1px solid var(--line); color: var(--text); border-radius: 10px; padding: 11px 12px; font-size: 16px; }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 84px; margin-top: 8px; }
.bars .b { flex: 1; background: var(--card-2); border-radius: 5px 5px 0 0; position: relative; min-height: 3px; }
.bars .b > i { position: absolute; inset: auto 0 0 0; background: linear-gradient(180deg, var(--accent), #3a6fd8); border-radius: 5px 5px 0 0; }
.bars .b span { position: absolute; top: -16px; left: 0; right: 0; text-align: center; font-size: 10px; color: var(--muted); }

/* ---- Week grid ---- */
.week-day { border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; margin-bottom: 10px; background: var(--card); }
.week-day h3 { font-size: 15px; display: flex; align-items: center; gap: 8px; }
.week-day .blk { display: flex; gap: 10px; padding: 6px 0; font-size: 14px; color: var(--muted); }
.week-day .blk .tm { width: 96px; flex: none; color: var(--text); font-variant-numeric: tabular-nums; font-size: 13px; }

/* ---- Buttons ---- */
.btn { appearance: none; border: 1px solid var(--line); background: var(--card-2); color: var(--text); border-radius: 11px; padding: 12px 16px; font-size: 15px; font-weight: 600; cursor: pointer; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #061024; }
.btn-block { width: 100%; }
.btn-sm { padding: 7px 12px; font-size: 13px; border-radius: 9px; }
.btn-ghost { background: transparent; }
.note { color: var(--muted); font-size: 13.5px; margin-top: 8px; }
.warnbox { background: #2a2114; border: 1px solid #4a3a1e; color: #f0d59a; border-radius: 12px; padding: 12px 14px; font-size: 13.5px; margin-bottom: 12px; }
.linkline { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.linkline a { background: var(--card-2); border: 1px solid var(--line); padding: 9px 13px; border-radius: 10px; font-weight: 600; font-size: 14px; }

/* ---- Install bar ---- */
.install-bar { position: fixed; top: env(safe-area-inset-top); left: 8px; right: 8px; z-index: 30; background: var(--card-2); border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px; display: flex; align-items: center; gap: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.4); }
.install-msg { flex: 1; font-size: 13px; }
.install-msg strong { display: block; }
.install-msg span { color: var(--muted); }
.install-actions { display: flex; gap: 6px; }

/* ---- Tab bar ---- */
.tabbar { position: fixed; bottom: 0; left: 0; right: 0; height: calc(var(--tabbar-h) + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom); background: rgba(15,20,32,.92); backdrop-filter: blur(14px); border-top: 1px solid var(--line); display: flex; z-index: 20; }
.tab { flex: 1; background: none; border: 0; color: var(--muted-2); font-size: 10.5px; font-weight: 600; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; cursor: pointer; padding-top: 6px; }
.tab .ti { font-size: 19px; line-height: 1; }
.tab.active { color: var(--accent); }