/* TCF Tracker — dark, quiet, mobile-first. */

:root {
  --bg: #0e1013;
  --surface: #161a1f;
  --surface-2: #1d2229;
  --surface-3: #262c34;
  --border: #272d35;
  --text: #e7e9ec;
  --muted: #8d949e;
  --faint: #5a616b;
  --accent: #8fb3c9;        /* quiet blue-grey, used sparingly */
  --ok: #6d9c83;            /* closed / above threshold */
  --ok-ink: #0e1013;
  --partial: #a88f54;
  --missed: #9a6363;
  --future: #171b20;
  --radius: 14px;
  --tap: 52px;
  --maxw: 560px;
}

* { box-sizing: border-box; }

html { background: var(--bg); color-scheme: dark; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Inter, system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.45;
  color: var(--text);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
}

button { font: inherit; color: inherit; cursor: pointer; }
button:disabled { cursor: default; }
a { color: var(--accent); }
h1.screen-title {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 6px 0 16px;
}
.muted { color: var(--muted); }
.small { font-size: 14px; }
.empty { color: var(--faint); font-size: 15px; margin: 18px 0; }

#app { min-height: 100dvh; display: flex; flex-direction: column; }

main {
  flex: 1;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: calc(14px + env(safe-area-inset-top)) 16px calc(100px + env(safe-area-inset-bottom));
}

/* ---------- bottom tabs ---------- */
.tabs {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  display: flex;
  justify-content: center;
  background: rgba(14, 16, 19, .94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 10;
}
.tabs-inner { display: flex; width: 100%; max-width: var(--maxw); }
.tab {
  flex: 1;
  min-height: 62px;
  background: none;
  border: 0;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .02em;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 2px;
}
.tab .dot { width: 5px; height: 5px; border-radius: 50%; background: transparent; }
.tab.is-active { color: var(--text); }
.tab.is-active .dot { background: var(--accent); }

/* ---------- today ---------- */
.daynav { display: flex; align-items: center; gap: 4px; }
.nav-btn {
  width: 48px; height: 48px; flex: 0 0 48px;
  border-radius: 12px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 28px;
  line-height: 1;
  padding: 0 0 4px;
}
.nav-btn:disabled { color: var(--surface-3); }
.nav-btn:not(:disabled):active { background: var(--surface-2); }
.daynav-center { flex: 1; min-width: 0; text-align: center; }
.date-line { font-size: 20px; font-weight: 600; letter-spacing: -.01em; }
.meta-line {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 7px;
  margin-top: 3px;
  flex-wrap: wrap;
}
.badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .1em;
  line-height: 1;
  padding: 4px 7px;
  border-radius: 6px;
  border: 1px solid var(--faint);
  color: var(--muted);
}
.badge-ecrit     { color: #9db7c8; border-color: #39505d; }
.badge-oral      { color: #b8a7cc; border-color: #4a4059; }
.badge-mock      { color: #cdb077; border-color: #5b4d2d; }
.badge-sectional { color: #8fc1b8; border-color: #355650; }
.badge-rest      { color: #9cc0a2; border-color: #37513b; }
.badge-exam      { color: #d39a9a; border-color: #5e3838; }

.back-today {
  display: block;
  margin: 10px auto 0;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 14px;
}

.countdown {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 16px 0 18px;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}
.count {
  font-size: 46px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}
.count-label { color: var(--muted); font-size: 16px; }
.countdown-small {
  margin: 12px 0 16px;
  padding: 0;
  background: none;
  border: 0;
  justify-content: center;
  gap: 6px;
}
.countdown-small .count { font-size: 16px; font-weight: 500; color: var(--muted); }
.countdown-small .count-label { font-size: 14px; color: var(--faint); }

.blocks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .2s ease;
}
.block.is-checked { border-color: #2b3a33; }
.block-main {
  display: flex;
  align-items: stretch;
  width: 100%;
  background: none;
  border: 0;
  padding: 0;
  text-align: left;
}
.block-main:active { background: var(--surface-2); }
.block-body { flex: 1; min-width: 0; padding: 16px 12px 16px 16px; }
.block-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.block-name { font-weight: 600; }
.block-time { white-space: nowrap; letter-spacing: .04em; text-transform: none; }
.block-time b { color: var(--text); font-weight: 600; }
.block-task {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.45;
  color: var(--text);
  overflow-wrap: anywhere;
}
.block-src { font-size: 14px; color: var(--muted); }
.check {
  flex: 0 0 76px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 1px solid var(--border);
}
.check-box {
  width: 36px; height: 36px;
  border-radius: 10px;
  border: 2px solid var(--faint);
  display: flex; align-items: center; justify-content: center;
  color: transparent;
  transition: background .15s ease, border-color .15s ease;
}
.block.is-checked .check-box { background: var(--ok); border-color: var(--ok); color: var(--ok-ink); }
.block.is-checked .block-task { color: var(--muted); }
.block.is-checked .block-head, .block.is-checked .block-src { color: var(--faint); }
.block.is-checked .block-time b { color: var(--muted); }
.block-link {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 48px;
  padding: 0 16px;
  border-top: 1px solid var(--border);
  color: var(--accent);
  text-decoration: none;
  font-size: 15px;
}
.block-link:active { background: var(--surface-2); }
.block-link .ext { color: var(--faint); }

.note {
  margin-top: 16px;
  padding: 14px 16px;
  border-left: 2px solid var(--faint);
  color: var(--muted);
  font-size: 16px;
  white-space: pre-wrap;
}
.note-big {
  margin-top: 24px;
  padding: 22px 18px;
  border-left: 0;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 19px;
  line-height: 1.5;
}
.note-quiet { color: var(--faint); border-color: var(--surface-3); }

.close-day {
  display: block;
  width: 100%;
  min-height: 62px;
  margin-top: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .16em;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.close-day:disabled {
  background: transparent;
  border-style: dashed;
  color: var(--faint);
}
.close-day:not(:disabled):active { background: var(--surface-3); }
.close-hint { text-align: center; font-size: 13px; color: var(--faint); margin: 10px 0 0; }

/* closing transition: content settles and fades, then the closed panel renders */
.is-closing .blocks, .is-closing .note, .is-closing .close-day, .is-closing .close-hint, .is-closing .countdown {
  transition: opacity .4s ease, transform .4s ease;
  opacity: 0;
  transform: translateY(6px);
}

.closed-panel {
  margin-top: 28px;
  padding: 34px 22px 30px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  text-align: center;
}
.door { position: relative; height: 1px; margin: 0 auto 30px; width: 100%; }
.door::before, .door::after {
  content: "";
  position: absolute; top: 0; width: 50%; height: 1px;
  background: var(--faint);
}
.door::before { left: 0; transform-origin: left; }
.door::after { right: 0; transform-origin: right; }
.closed-title { font-size: 27px; font-weight: 500; margin: 0 0 6px; letter-spacing: -.01em; }
.closed-sub { font-size: 18px; color: var(--muted); margin: 0; }
.closed-time { font-size: 13px; color: var(--faint); margin: 22px 0 0; }
.animate .door::before, .animate .door::after { animation: doorShut .6s cubic-bezier(.4, 0, .2, 1) both; }
.animate .closed-title, .animate .closed-sub, .animate .closed-time { animation: settle .6s ease-out .5s both; }
@keyframes doorShut { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes settle { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .animate .door::before, .animate .door::after, .animate .closed-title, .animate .closed-sub, .animate .closed-time { animation: none; }
  .is-closing .blocks, .is-closing .note, .is-closing .close-day, .is-closing .close-hint, .is-closing .countdown { transition: none; }
}

.btn-text {
  display: block;
  margin: 18px auto 0;
  min-height: 44px;
  padding: 0 14px;
  background: none;
  border: 0;
  color: var(--faint);
  font-size: 14px;
}

/* ---------- progress ---------- */
.grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.grid-head { font-size: 11px; color: var(--faint); text-align: center; letter-spacing: .06em; padding-bottom: 2px; }
.cell {
  aspect-ratio: 1;
  width: 100%;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--future);
  color: var(--faint);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  display: flex; align-items: center; justify-content: center;
  padding: 0;
}
.cell-closed  { background: var(--ok); border-color: var(--ok); color: var(--ok-ink); font-weight: 600; }
.cell-partial { background: #2a261c; border-color: var(--partial); color: #d0b772; }
.cell-missed  { background: #281e1e; border-color: #5c3d3d; color: #b98888; }
.cell-today   { box-shadow: 0 0 0 2px var(--accent); color: var(--text); }
.cell-closed.cell-today { color: var(--ok-ink); }
.legend { display: flex; flex-wrap: wrap; gap: 14px 18px; margin: 16px 0 22px; font-size: 13px; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.swatch { width: 14px; height: 14px; border-radius: 4px; border: 1px solid var(--border); background: var(--future); }
.swatch-closed { background: var(--ok); border-color: var(--ok); }
.swatch-partial { background: #2a261c; border-color: var(--partial); }
.swatch-missed { background: #281e1e; border-color: #5c3d3d; }
.streak { margin: 0 0 8px; font-size: 18px; }
.streak b { font-weight: 600; font-variant-numeric: tabular-nums; }

/* ---------- results ---------- */
.mock-form {
  padding: 16px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 12px;
  margin-bottom: 20px;
}
.field {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
}
.field-hint { color: var(--faint); letter-spacing: .02em; text-transform: none; }
.row4 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 420px) { .row4 { grid-template-columns: repeat(4, 1fr); } }
input[type="number"], input[type="date"], textarea {
  width: 100%;
  min-height: 50px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 12px;
  font: inherit;
  font-size: 17px;
  font-variant-numeric: tabular-nums;
}
input[type="date"] { -webkit-appearance: none; appearance: none; }
input::placeholder, textarea::placeholder { color: var(--faint); }
input:focus, textarea:focus { outline: 2px solid #3a4f5c; outline-offset: 0; border-color: transparent; }
.form-actions { display: flex; gap: 10px; }
.btn {
  flex: 1;
  min-height: 52px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  text-align: center;
}
.btn:active { background: var(--surface-3); }
.btn-quiet { background: transparent; color: var(--muted); }
.btn-block { display: flex; width: 100%; margin-bottom: 12px; }

.chart {
  padding: 12px 12px 8px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  margin-bottom: 12px;
}
.chart-head { display: flex; justify-content: space-between; align-items: baseline; font-size: 13px; color: var(--muted); margin: 0 4px 6px; }
.chart-head b { color: var(--text); font-weight: 600; letter-spacing: .04em; }
.chart-thr { font-size: 12px; color: var(--faint); }
.chart svg { width: 100%; height: auto; display: block; }
.chart .axis { stroke: var(--border); stroke-width: 1; }
.chart .axis-label { fill: var(--faint); font-size: 10px; font-family: inherit; }
.chart .thr { stroke: var(--text); stroke-width: 1; stroke-dasharray: 4 4; opacity: .55; }
.chart .thr-label { fill: var(--muted); font-size: 10px; font-family: inherit; }
.chart .line { fill: none; stroke: var(--muted); stroke-width: 1.5; }
.chart .pt-above { fill: var(--ok); }
.chart .pt-below { fill: var(--missed); }
.chart .pt-label { fill: var(--muted); font-size: 9px; font-family: inherit; text-anchor: middle; }

.mocks { width: 100%; border-collapse: collapse; font-size: 15px; font-variant-numeric: tabular-nums; margin-bottom: 6px; }
.mocks th {
  font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 500;
  text-align: right; padding: 8px 6px; border-bottom: 1px solid var(--border);
}
.mocks td { text-align: right; padding: 12px 6px; border-bottom: 1px solid var(--border); }
.mocks th:first-child, .mocks td:first-child, .mocks th:nth-child(2), .mocks td:nth-child(2) { text-align: left; }
.mocks td:first-child { color: var(--faint); }
.mocks tr[data-action] { cursor: pointer; }
.mocks tr[data-action]:active td { background: var(--surface-2); }
.above { color: #8fc4a6; }
.below { color: #cf8e8e; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 10px; border: 0; background: transparent; color: var(--faint);
  font-size: 20px; line-height: 1; padding: 0; margin: -8px 0;
}
.icon-btn:active { background: var(--surface-2); color: var(--text); }
.table-wrap { overflow-x: auto; }
.table-meta { font-size: 13px; color: var(--faint); margin: 0 0 20px; }

/* ---------- error log ---------- */
.err-editor {
  padding: 12px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  margin-bottom: 18px;
  display: flex; flex-direction: column; gap: 10px;
}
.err-row { display: flex; align-items: center; gap: 12px; }
.err-row input[type="date"] { flex: 1; }
.saved { font-size: 12px; color: var(--faint); letter-spacing: .06em; text-transform: uppercase; transition: opacity .3s; min-width: 48px; text-align: right; }
.saved[hidden] { display: inline; opacity: 0; }
.err-editor textarea { min-height: 160px; resize: vertical; line-height: 1.5; }
.err-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.err-item {
  display: block; width: 100%; text-align: left;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}
.err-item.is-current { border-color: var(--faint); }
.err-item:active { background: var(--surface-2); }
.err-date { display: block; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.err-text { display: block; white-space: pre-wrap; font-size: 16px; line-height: 1.45; overflow-wrap: anywhere; }

/* ---------- data ---------- */
.data p { margin: 0 0 14px; }
.data .summary { font-size: 18px; margin-bottom: 20px; }
.data .btn { margin-bottom: 12px; width: 100%; display: flex; }
.btn-file input { display: none; }
.data-footer { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 13px; color: var(--faint); }
.data-footer p { margin: 0 0 6px; }