/* Lit-Sheet — white ground.
   One direct colour progression: vault (blue + gold) -> deep green (mastered)
   -> green -> yellow-green -> yellow -> orange -> red -> deep red (abandoned). */

:root {
  --bg: #ffffff;
  --panel: #ffffff;
  --line: #e6e6e8;
  --line-soft: #f0f0f2;
  --ink: #16181d;
  --ink-soft: #5b606b;
  --ink-faint: #8b909b;
  --accent: #16181d;
  --urgent: #d13b26;

  --ui: 'Inter', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;

  /* the progression */
  --vault: #1e40af;      --vault-fg: #ffffff;   --gold: #eab308;
  --mastered: #14532d;   --mastered-fg: #ffffff;
  --strong: #2f7d4f;     --strong-fg: #ffffff;
  --steady: #7fb069;     --steady-fg: #16261a;
  --slipping: #e0b32a;   --slipping-fg: #2b2205;
  --fading: #e07a1f;     --fading-fg: #331a08;
  --weak: #d13b26;       --weak-fg: #ffffff;
  --abandoned: #7f1d0f;  --abandoned-fg: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--ui);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; }

.is-hidden { display: none !important; }

.app { display: flex; min-height: 100vh; }

/* ---------- rail ---------- */

.rail {
  width: 208px;
  flex: 0 0 208px;
  border-right: 1px solid var(--line);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 26px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.rail-top { display: flex; align-items: center; gap: 9px; padding: 0 6px; }

.mark {
  width: 26px; height: 26px;
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  display: grid;
  place-items: center;
  font: 700 14px var(--ui);
}

.mark-name { font: 700 15px var(--ui); letter-spacing: -.02em; }

.rail-nav { display: grid; gap: 4px; }

.rail-btn {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  border: 1px solid transparent;
  background: none;
  cursor: pointer;
  padding: 10px 11px;
  border-radius: 8px;
  color: var(--ink-soft);
  font: 500 13.5px var(--ui);
  text-align: left;
  transition: background .15s ease, color .15s ease;
}

.rail-btn:hover { background: #f5f5f7; color: var(--ink); }
.rail-btn.is-active { background: #f1f1f4; color: var(--ink); font-weight: 600; }
.rail-icon { font-size: 14px; width: 16px; text-align: center; }
.rail-label { flex: 1; }

.rail-btn--urgent { color: var(--urgent); }
.rail-btn--urgent:hover { background: #fdf0ee; color: var(--urgent); }
.rail-btn--urgent.is-active { background: #fdeae6; color: #a52d1c; border-color: #f5cec6; }

.rail-badge {
  min-width: 20px;
  padding: 1px 6px;
  border-radius: 20px;
  background: var(--urgent);
  color: #fff;
  font: 600 11px var(--mono);
  text-align: center;
}

.rail-badge[data-empty="true"] { background: #d7d7db; color: #6c707a; }

/* ---------- mode ---------- */

.mode {
  position: relative;
  min-height: 176px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #25262b;
  padding: 0;
  cursor: pointer;
  text-align: left;
  transition: border-color .16s ease, box-shadow .16s ease;
}

.mode:hover { border-color: var(--rank, var(--ink-faint)); box-shadow: 0 6px 18px -10px #16181d59; }
.mode:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.mode-picture, .mode-picture img, .mode-picture-shade { position: absolute; inset: 0; }
.mode-picture img { width: 100%; height: 100%; object-fit: cover; }
.mode-picture-shade { background: linear-gradient(0deg, rgba(9, 11, 16, .92) 0%, rgba(9, 11, 16, .54) 52%, rgba(9, 11, 16, .08) 100%); }
.mode-content { position: relative; z-index: 1; display: flex; min-height: 176px; flex-direction: column; justify-content: flex-end; padding: 13px; color: #fff; }

.mode-eyebrow { color: rgba(255, 255, 255, .72); font: 600 9px var(--mono); letter-spacing: .12em; text-transform: uppercase; }

.mode-tag {
  display: block;
  width: 100%;
  margin: 3px 0 4px;
  padding: 0;
  color: #fff;
  font: 700 21px/1.15 var(--ui);
  letter-spacing: -.02em;
  text-wrap: balance;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .45);
}

/* the last rung gets the gold flourish */
.mode-tag[data-rank="him"] {
  color: #f4d47c;
}
.mode-line { color: rgba(255, 255, 255, .89); font: 500 11px/1.4 var(--ui); }
.mode-next { margin-top: 8px; color: rgba(255, 255, 255, .68); font: 500 9px var(--mono); }

/* ---------- modes dialog ---------- */

.modes-dialog { width: min(100%, 580px); }
.modes-intro { margin: -12px 0 20px; color: var(--ink-soft); font-size: 13px; line-height: 1.6; }

.mode-gallery { display: grid; gap: 14px; }

.mode-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 8px 20px -18px rgba(22, 24, 29, 0.35);
}

.mode-card.is-current { border-color: var(--rank); box-shadow: 0 14px 30px -18px color-mix(in srgb, var(--rank) 66%, transparent); }
.mode-card.is-locked { opacity: .62; }

.mode-card-media {
  position: relative;
  height: 190px;
  overflow: hidden;
  background: #25262b;
}

.mode-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.mode-card-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 12, 18, .88) 0%, rgba(10, 12, 18, .58) 47%, rgba(10, 12, 18, .06) 100%);
}

.mode-card-copy {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  max-width: 70%;
  padding: 18px 22px;
  color: #fff;
}

.rank-tag {
  display: inline-block;
  text-align: center;
  padding: 0;
  border: 0;
  color: #fff;
  font: 700 24px var(--ui);
  letter-spacing: -.01em;
  text-shadow: 0 1px 10px rgba(0, 0, 0, .35);
}

.rank-tag[data-rank="him"] { color: #f4d47c; }

.mode-card-copy p { margin: 7px 0 0; color: rgba(255, 255, 255, .9); font-size: 13px; line-height: 1.45; text-shadow: 0 1px 8px rgba(0, 0, 0, .4); }
.mode-card-topline { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; font: 600 10px var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.mode-number { color: rgba(255, 255, 255, .66); }
.rank-min { padding: 3px 6px; border: 1px solid rgba(255, 255, 255, .26); border-radius: 99px; color: #fff; font: 600 9px var(--mono); white-space: nowrap; }
.rank-now { display: inline-block; margin-top: 10px; color: #fff; font: 600 9.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; }

.rail-foot { margin-top: auto; }

.add-btn {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 10px;
  cursor: pointer;
  font: 500 13px var(--ui);
  color: var(--ink);
}

.add-btn:hover { border-color: var(--ink-faint); }

/* ---------- main ---------- */

.main { flex: 1; min-width: 0; padding: 26px 32px 70px; }

.topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.topline h1 { margin: 0; font: 600 25px var(--ui); letter-spacing: -.025em; }
.topline p { margin: 5px 0 0; color: var(--ink-faint); font-size: 13px; }

.primary {
  border: 0;
  border-radius: 7px;
  background: var(--ink);
  color: #fff;
  font: 600 13px var(--ui);
  padding: 10px 16px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.primary:hover { background: #33363d; }
.primary b { font: 600 11px var(--mono); background: #ffffff2b; padding: 1px 6px; border-radius: 4px; }
.primary.wide { width: 100%; justify-content: center; margin-top: 6px; padding: 12px; }

/* ---------- strength spread ---------- */

.spread-bar { display: flex; gap: 2px; height: 6px; border-radius: 4px; overflow: hidden; margin-bottom: 18px; }
.spread-seg { display: block; min-width: 3px; transition: flex .3s ease; }
.spread-bar:empty { display: none; }
.spread-bar[data-status="vault"] { background: var(--vault); }

/* ---------- controls ---------- */

.controls { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }

.search { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 8px; padding: 0 11px; background: #fff; color: var(--ink-faint); min-width: 220px; }
.search:focus-within { border-color: var(--ink); }
.search-icon { font-size: 17px; }
.search input { border: 0; outline: 0; background: none; padding: 7px 0; font: 400 12.5px var(--ui); color: var(--ink); width: 100%; }

/* ---------- ladder pips ---------- */

.pips { display: inline-flex; gap: 3px; align-items: center; }
.pip-step { width: 12px; height: 4px; border-radius: 2px; background: #e2e2e6; }
.pip-step.is-on { background: var(--c, var(--ink)); }
.pip-step.is-on.is-vault { background: var(--gold); }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; }

.seg button {
  border: 0;
  background: none;
  cursor: pointer;
  padding: 7px 13px;
  font: 500 12.5px var(--ui);
  color: var(--ink-soft);
  border-right: 1px solid var(--line);
  transition: background .15s ease, color .15s ease;
}

.seg button:last-child { border-right: 0; }
.seg button:hover { background: #f6f6f8; color: var(--ink); }
.seg button.is-active { background: var(--ink); color: #fff; }

/* ---------- legend ---------- */

.legend {
  display: flex;
  align-items: center;
  gap: 3px;
  flex-wrap: wrap;
  padding: 11px 0 20px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 22px;
}

.legend-step { display: flex; align-items: center; gap: 6px; padding: 3px 9px 3px 3px; }
.legend-chip { width: 13px; height: 13px; border-radius: 3px; flex: none; }
.legend-step span { font: 500 11px var(--ui); color: var(--ink-faint); white-space: nowrap; }
.legend-arrow { color: #c9c9cf; font-size: 11px; }

/* ---------- groups ---------- */

.group { margin-bottom: 30px; }

.group-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 9px;
  margin-bottom: 13px;
  border-bottom: 1px solid var(--line);
}

.group-head h2 { margin: 0; font: 600 13px var(--ui); letter-spacing: .01em; }
.group-head span { color: var(--ink-faint); font: 400 11px var(--mono); }

/* ---------- overview mode ---------- */

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; }

.box {
  aspect-ratio: 1;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  padding: 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  text-align: left;
  background: var(--c);
  color: var(--fg);
  transition: transform .14s ease, box-shadow .14s ease;
}

.box:hover { transform: translateY(-2px); box-shadow: 0 6px 16px -6px #16181d59; }
.box:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.box-no { font: 600 15px var(--mono); }
.box-title { font: 500 10.5px/1.3 var(--ui); opacity: .9; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.box[data-status="vault"] {
  background: linear-gradient(90deg, var(--vault) 0 78%, var(--gold) 78% 86%, var(--vault) 86% 100%);
}

/* ---------- detailed mode ---------- */

.rows { display: grid; gap: 6px; }

.row {
  display: grid;
  grid-template-columns: 5px minmax(0, 2.1fr) 132px minmax(0, 2.3fr) 128px;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  transition: border-color .14s ease, box-shadow .14s ease;
}

.row:hover { border-color: var(--ink-faint); box-shadow: 0 3px 10px -4px #16181d2e; }
.row:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.row-bar { background: var(--c); }
.row[data-status="vault"] .row-bar { background: linear-gradient(180deg, var(--vault) 0 38%, var(--gold) 38% 62%, var(--vault) 62% 100%); }

.cell { padding: 11px 14px; border-right: 1px solid var(--line-soft); min-width: 0; display: flex; flex-direction: column; justify-content: center; }
.cell:last-child { border-right: 0; }

.cell-q strong { display: block; font: 600 14px var(--ui); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cell-q span { color: var(--ink-faint); font: 400 11.5px var(--ui); }
.cell-q em { font-style: normal; color: var(--ink-faint); font-family: var(--mono); font-size: 11px; margin-right: 6px; }

.cell-cx { font: 400 11px var(--mono); color: var(--ink-soft); }
.cell-cx b { display: block; font-weight: 500; color: var(--ink); }

.cell-note { font: 400 12.5px/1.45 var(--ui); color: var(--ink-soft); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.cell-state { align-items: flex-start; gap: 4px; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: 5px;
  background: var(--c);
  color: var(--fg);
  font: 600 10.5px var(--mono);
  white-space: nowrap;
}

.row[data-status="vault"] .pill { background: var(--vault); box-shadow: inset 0 -3px 0 var(--gold); }
.cell-state small { color: var(--ink-faint); font: 400 10.5px var(--mono); }

/* ---------- empty ---------- */

.empty { border: 1px dashed var(--line); border-radius: 10px; padding: 44px 24px; text-align: center; color: var(--ink-faint); }
.empty strong { display: block; color: var(--ink); font: 600 16px var(--ui); margin-bottom: 6px; }
.empty p { margin: 0 auto; max-width: 42ch; font-size: 13px; }

/* ---------- detail drawer ---------- */

.drawer-scrim { position: fixed; inset: 0; z-index: 25; background: #16181d4d; display: flex; justify-content: flex-end; }

.drawer {
  position: relative;
  width: min(100%, 460px);
  height: 100%;
  overflow: auto;
  background: #fff;
  border-left: 1px solid var(--line);
  box-shadow: -18px 0 48px -20px #16181d5c;
  padding: 30px 34px 44px;
  animation: slide-in .22s ease;
}

@keyframes slide-in { from { transform: translateX(22px); opacity: .4; } to { transform: none; opacity: 1; } }

.detail-pill { margin-bottom: 16px; }
.detail-no { margin: 0; color: var(--ink-faint); font: 400 11.5px var(--mono); }
.drawer h2 { margin: 5px 0 4px; font: 600 23px/1.25 var(--ui); letter-spacing: -.02em; }
.detail-sub { margin: 0 0 22px; color: var(--ink-faint); font-size: 12.5px; }

.detail-ladder { border: 1px solid var(--line); border-radius: 10px; padding: 14px 15px; margin-bottom: 22px; }
.detail-ladder-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 10px; font: 500 10.5px var(--mono); color: var(--ink-faint); letter-spacing: .04em; }
.detail-ladder .pips { display: flex; gap: 5px; }
.detail-ladder .pip-step { flex: 1; height: 7px; border-radius: 3px; }
.detail-ladder-note { margin: 10px 0 0; font-size: 12px; color: var(--ink-soft); }

.detail-block { margin-bottom: 18px; }
.detail-label { display: block; margin-bottom: 5px; color: var(--ink-faint); font: 600 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.detail-block p { margin: 0; font: 400 14.5px/1.6 var(--ui); white-space: pre-line; }

.detail-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 0 0 24px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: 9px; overflow: hidden; }
.detail-facts div { background: #fff; padding: 9px 12px; }
.detail-facts dt { color: var(--ink-faint); font: 500 10.5px var(--mono); letter-spacing: .05em; text-transform: uppercase; }
.detail-facts dd { margin: 3px 0 0; font: 500 13px var(--ui); }

.detail-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.detail-minor { display: flex; gap: 16px; padding-top: 14px; border-top: 1px solid var(--line-soft); }
.link-btn { border: 0; background: none; cursor: pointer; padding: 0; font: 500 12.5px var(--ui); color: var(--ink-soft); text-decoration: underline; text-underline-offset: 3px; }
.link-btn:hover { color: var(--ink); }
.link-danger { color: var(--urgent); }
.link-danger:hover { color: #a52d1c; }

/* ---------- toasts ---------- */

.toasts { position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 40; display: grid; gap: 8px; justify-items: center; pointer-events: none; }
.toast { background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px; font: 500 12.5px var(--ui); box-shadow: 0 10px 26px -10px #16181d8c; animation: toast-in .2s ease; }
.toast.is-out { opacity: 0; transition: opacity .35s ease; }
@keyframes toast-in { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- rank-up celebration ---------- */

.rank-up { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; overflow: hidden; padding: 24px; background: rgba(11, 13, 20, .72); isolation: isolate; }
.rank-up-card { --rank-up-accent: #5b4bb8; position: relative; z-index: 1; width: min(100%, 560px); overflow: hidden; border: 1px solid color-mix(in srgb, var(--rank-up-accent) 58%, #fff); border-radius: 24px; padding: 56px 36px 36px; background: radial-gradient(circle at 50% -24%, color-mix(in srgb, var(--rank-up-accent) 32%, #fff), #fff 55%); box-shadow: 0 28px 100px rgba(0, 0, 0, .45); text-align: center; animation: rank-up-arrive .55s cubic-bezier(.16, 1, .3, 1); }
.rank-up-kicker, .rank-up-level { display: block; color: color-mix(in srgb, var(--rank-up-accent) 82%, #16181d); font: 700 10px var(--mono); letter-spacing: .16em; text-transform: uppercase; }
.rank-up-orbit { position: absolute; top: -96px; left: 50%; width: 194px; height: 194px; border: 1px solid color-mix(in srgb, var(--rank-up-accent) 48%, transparent); border-radius: 50%; transform: translateX(-50%); box-shadow: 0 0 0 20px color-mix(in srgb, var(--rank-up-accent) 10%, transparent), 0 0 0 48px color-mix(in srgb, var(--rank-up-accent) 6%, transparent); animation: rank-up-pulse 1.7s ease-in-out infinite; }
.rank-up-level { margin-top: 29px; opacity: .72; }
.rank-up-card h2 { margin: 9px 0 10px; color: var(--ink); font: 700 clamp(42px, 10vw, 68px)/.98 var(--ui); letter-spacing: -.065em; }
.rank-up-card p:not(.rank-up-level) { max-width: 34ch; margin: 0 auto 28px; color: var(--ink-soft); font: 500 15px/1.55 var(--ui); }
.rank-up-continue { border: 0; border-radius: 999px; padding: 12px 18px; background: var(--rank-up-accent); color: #fff; cursor: pointer; font: 700 13px var(--ui); box-shadow: 0 10px 24px -12px var(--rank-up-accent); transition: transform .18s ease, box-shadow .18s ease; }
.rank-up-continue:hover { transform: translateY(-2px); box-shadow: 0 14px 28px -12px var(--rank-up-accent); }
.rank-up-continue:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }
.rank-up-confetti { position: absolute; inset: -18%; z-index: 0; background-image: radial-gradient(circle, #f2be22 0 4px, transparent 5px), radial-gradient(circle, #ff5d72 0 4px, transparent 5px), radial-gradient(circle, #6f8dff 0 4px, transparent 5px), radial-gradient(circle, #36ae7c 0 4px, transparent 5px); background-size: 117px 131px, 173px 149px, 137px 163px, 199px 129px; background-position: 0 0, 42px 18px, 75px 55px, 15px 83px; animation: confetti-fall 5s linear infinite; }
@keyframes rank-up-arrive { from { transform: translateY(32px) scale(.9); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes rank-up-pulse { 50% { transform: translateX(-50%) scale(1.09); opacity: .54; } }
@keyframes confetti-fall { to { background-position: 0 154px, 42px 167px, 75px 209px, 15px 237px; } }

/* ---------- dialogs ---------- */

.scrim { position: fixed; inset: 0; z-index: 20; background: #16181d80; display: grid; place-items: center; padding: 20px; overflow: auto; }

.dialog {
  position: relative;
  width: min(100%, 540px);
  max-height: calc(100vh - 40px);
  overflow: auto;
  background: #fff;
  border-radius: 12px;
  padding: 28px 32px 32px;
  box-shadow: 0 24px 60px -16px #16181d66;
}

.dismiss { position: absolute; top: 12px; right: 14px; border: 0; background: none; font-size: 22px; line-height: 1; color: var(--ink-faint); cursor: pointer; }
.dismiss:hover { color: var(--ink); }

.dialog h2 { margin: 0 0 22px; font: 600 22px var(--ui); letter-spacing: -.02em; }

.field { display: grid; gap: 6px; margin-bottom: 14px; color: var(--ink-faint); font: 500 11px var(--ui); }
.field input, .field textarea { border: 1px solid var(--line); border-radius: 7px; padding: 10px 11px; font: 400 13.5px var(--ui); color: var(--ink); outline: 0; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--ink); }
.field-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.optional { color: #b4b8c0; }

.results { display: grid; gap: 5px; margin: -6px 0 14px; }
.result { display: flex; align-items: baseline; gap: 10px; border: 1px solid var(--line); border-radius: 7px; background: #fff; padding: 9px 11px; cursor: pointer; text-align: left; }
.result:hover { border-color: var(--ink); }
.result-no { color: var(--ink-faint); font: 400 11px var(--mono); }
.result-name { flex: 1; font: 500 13.5px var(--ui); }
.result-diff { color: var(--ink-faint); font: 400 11px var(--ui); }

.chosen { background: #f4f4f6; border-radius: 7px; padding: 11px 13px; margin-bottom: 16px; font: 600 15px var(--ui); }
.chosen span { display: block; margin-top: 2px; color: var(--ink-faint); font: 400 11px var(--mono); }

/* ---------- review ---------- */

.meter { display: flex; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--line); color: var(--ink-faint); font: 500 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; }

.recall { padding: 26px 0 2px; }
.recall-no { color: var(--ink-faint); font: 400 11px var(--mono); }
.recall h2 { margin: 8px 0 4px; font-size: 26px; }
.recall-sub { margin: 0; color: var(--ink-faint); font-size: 12.5px; }
.leetcode-link { display: inline-flex; align-items: center; gap: 7px; margin-top: 16px; border: 1px solid var(--line); border-radius: 7px; padding: 8px 13px; font: 500 12.5px var(--ui); color: var(--ink); text-decoration: none; }
.leetcode-link:hover { border-color: var(--ink); }
.ask { margin: 22px 0 18px; font: 500 15px var(--ui); }

.verdicts { display: grid; gap: 7px; }
.verdict { display: flex; align-items: center; gap: 11px; border: 1px solid var(--line); border-radius: 8px; background: #fff; padding: 12px 14px; font: 500 13.5px var(--ui); color: var(--ink); cursor: pointer; text-align: left; }
.verdict:hover { border-color: var(--ink); }
.verdict .pip { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.verdict[data-result="remembered"] .pip { background: var(--strong); }
.verdict[data-result="struggled"] .pip { background: var(--slipping); }
.verdict[data-result="forgot"] .pip { background: var(--weak); }

.revealed { padding: 24px 0 2px; }
.reveal-block { margin-bottom: 18px; }
.reveal-label { display: block; margin-bottom: 5px; color: var(--ink-faint); font: 600 10.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.reveal-block p { margin: 0; font: 400 14.5px/1.6 var(--ui); white-space: pre-line; }
.reveal-cx { color: var(--ink-soft); font: 400 12px var(--mono); }
.rescheduled { display: flex; align-items: center; gap: 9px; margin: 0 0 18px; padding: 11px 13px; background: #f4f4f6; border-radius: 7px; font-size: 12.5px; color: var(--ink-soft); }
.rescheduled .pill { flex: none; }

.session-end { padding: 34px 0 6px; text-align: center; }
.session-end strong { display: block; font: 600 20px var(--ui); margin-bottom: 7px; }
.session-end p { margin: 0 auto 20px; max-width: 36ch; color: var(--ink-soft); font-size: 13px; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; } }

/* ---------- narrow ---------- */

@media (max-width: 900px) {
  .app { flex-direction: column; }
  .rail { width: 100%; flex-basis: auto; height: auto; position: static; flex-direction: row; align-items: center; gap: 14px; border-right: 0; border-bottom: 1px solid var(--line); padding: 12px 16px; }
  .rail-nav { grid-auto-flow: column; }
  .rail-foot { margin-top: 0; }
  .mode { margin-top: 0; min-height: 58px; width: 168px; }
  .mode-content { min-height: 58px; padding: 8px 10px; }
  .mode-eyebrow, .mode-line, .mode-next { display: none; }
  .mode-tag { margin: 0; font-size: 14px; }
  .rank-row { grid-template-columns: 112px 1fr; }
  .rank-min { grid-column: 2; }
  .mode-card-media { height: 172px; }
  .mode-card-copy { max-width: 84%; padding: 16px; }
  .add-btn { white-space: nowrap; padding: 9px 13px; }
  .main { padding: 20px 16px 60px; }
  .row { grid-template-columns: 5px minmax(0, 1fr) 108px; }
  .row .cell-note { display: none; }
  .row .cell-state { display: none; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(82px, 1fr)); }
}

/* ---------- sign in ---------- */

.auth-body { display: grid; place-items: center; min-height: 100vh; padding: 24px; }

.auth { width: min(100%, 384px); }
.auth-brand { display: flex; align-items: center; gap: 9px; margin-bottom: 30px; }
.auth h1 { margin: 0 0 7px; font: 600 27px var(--ui); letter-spacing: -.03em; }
.auth-sub { margin: 0 0 22px; color: var(--ink-faint); font-size: 13px; line-height: 1.55; }

.auth-toggle { display: flex; width: 100%; margin-bottom: 22px; }
.auth-toggle button { flex: 1; padding: 9px 12px; }

.auth .field { margin-bottom: 15px; }
.auth .primary { margin-top: 6px; }

.auth-error {
  margin: 0 0 14px;
  padding: 10px 12px;
  border: 1px solid #f5cec6;
  border-radius: 7px;
  background: #fdeae6;
  color: #a52d1c;
  font: 500 12.5px var(--ui);
}

.auth-foot { margin: 20px 0 0; color: var(--ink-faint); font-size: 12.5px; text-align: center; }

/* ---------- signed-in chrome ---------- */

.rail-account { display: grid; gap: 3px; padding: 10px 11px; border-top: 1px solid var(--line-soft); margin-top: 12px; }
.rail-email { color: var(--ink-soft); font: 500 11.5px var(--ui); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.app-error {
  margin: 0 0 16px;
  padding: 11px 14px;
  border: 1px solid #f5cec6;
  border-radius: 8px;
  background: #fdeae6;
  color: #a52d1c;
  font: 500 12.5px var(--ui);
}

.loading { padding: 70px 0; color: var(--ink-faint); font-size: 13px; text-align: center; }
.empty-actions { display: flex; gap: 10px; justify-content: center; margin-top: 18px; }

button[disabled] { opacity: .55; cursor: not-allowed; }

/* ---------- Google sign-in ---------- */

.google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: 600 13.5px var(--ui);
  text-decoration: none;
  transition: border-color .15s ease, background .15s ease;
}

.google-btn:hover { border-color: var(--ink-faint); background: #fafafb; }
.google-btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.auth-divider { display: flex; align-items: center; gap: 12px; margin: 18px 0; color: var(--ink-faint); font-size: 11.5px; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--line); }

/* A display rule on the element beats the hidden attribute's UA style, so make it explicit. */
[hidden] { display: none !important; }