:root {
  --bg: #101713;
  --panel: rgba(27, 39, 32, .88);
  --panel-2: rgba(42, 58, 48, .78);
  --border: rgba(190, 221, 199, .13);
  --text: #f3f7f4;
  --muted: #a5b4aa;
  --accent: #80d6a3;
  --gold: #f2c96d;
  --red: #ef626c;
  --tile-size: 62px;
  --tile-gap: 7px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 0%, rgba(61, 126, 83, .25), transparent 36rem),
    radial-gradient(circle at 88% 85%, rgba(42, 92, 69, .2), transparent 32rem),
    var(--bg);
}

.topbar,
main,
.toolbar {
  width: min(1180px, 100%);
  margin-inline: auto;
}

.topbar { padding: 34px 28px 10px; }
.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.topbar h1 {
  margin: 0;
  font-size: clamp(25px, 4vw, 38px);
  line-height: 1;
  letter-spacing: -.04em;
}
.topbar h1::after { content: " 牌"; color: var(--accent); }
.subtitle { margin: 10px 0 0; color: var(--muted); font-size: 14px; }

/* ── Регистрация через Google и таблица дня ─────────────────────────────── */
.topbar-left { min-width: 0; }
.topbar-auth {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
  padding-top: 2px;
}
.auth-user {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px 5px 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel-2);
}
.auth-pic {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--panel);
}
.auth-name {
  font-size: 13px;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.auth-logout {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  padding: 4px 6px;
  border-radius: 8px;
  cursor: pointer;
}
.auth-logout:hover { color: var(--text); background: var(--panel); }
.auth-slot { display: inline-flex; }

/* Кнопка Google — подстраиваем под тёмную тему (её цвета задаёт Google) */
.auth-slot ::-webkit-scrollbar { display: none; }

/* Статус сохранения результата */
.score-status {
  margin-top: 14px;
  padding: 10px 13px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--accent);
  font-size: 13px;
}

/* Таблица дня */
.leaderboard {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  counter-reset: lb;
}
.lb-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}
.lb-row.lb-me { border-color: var(--accent); background: rgba(128, 214, 163, .08); }
.lb-rank {
  width: 22px;
  text-align: right;
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.lb-pic {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--panel);
  flex: none;
}
.lb-name {
  flex: 1;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lb-score {
  color: var(--gold);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.lb-empty {
  color: var(--muted);
  font-size: 14px;
  padding: 6px 4px;
}
.lb-date {
  color: var(--text);
  font-weight: 500;
  letter-spacing: .02em;
  margin-left: 8px;
  font-size: 12px;
}

main {
  flex: 1;
  padding: 18px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  padding: 19px 21px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .16);
  backdrop-filter: blur(14px);
}
.panel h2 {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.hand { display: flex; flex-wrap: wrap; gap: var(--tile-gap); }

.tile {
  position: relative;
  width: var(--tile-size);
  height: calc(var(--tile-size) * 1.36);
  padding: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(8, 13, 10, .78);
  border-radius: 8px;
  outline: 0 solid transparent;
  background: linear-gradient(145deg, #fffefa 0%, #eeeade 78%, #d8d1bf 100%);
  box-shadow: 0 5px 0 #a9a695, 0 10px 18px rgba(0, 0, 0, .26);
  cursor: pointer;
  user-select: none;
  transition: transform .14s ease, box-shadow .14s ease, outline-color .14s ease;
}
.tile img { width: 100%; height: 100%; object-fit: contain; pointer-events: none; }
.tile-fallback { color: #111; font: 700 19px ui-monospace, monospace; }
.tile:hover {
  transform: translateY(-5px);
  box-shadow: 0 7px 0 #a9a695, 0 15px 25px rgba(0, 0, 0, .34);
}
.tile.is-disabled { cursor: default; opacity: 1; transform: none; }

.tile.is-dora {
  z-index: 1;
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  box-shadow: 0 5px 0 #a39058, 0 0 20px rgba(242, 201, 109, .38);
}
.tile.is-dora::before {
  content: "D";
  position: absolute;
  z-index: 2;
  top: 3px;
  right: 3px;
  width: 17px;
  height: 17px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--gold);
  color: #382b0d;
  font-size: 10px;
  font-weight: 900;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .25);
}
.tile.is-red-five::after {
  content: "R";
  position: absolute;
  z-index: 3;
  left: 3px;
  bottom: 3px;
  width: 19px;
  height: 19px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--red);
  color: white;
  font-size: 10px;
  font-weight: 900;
  box-shadow: 0 1px 5px rgba(87, 8, 14, .35);
}
.tile.is-red-five {
  z-index: 1;
  outline: 2px solid var(--red);
  outline-offset: 2px;
  box-shadow: 0 5px 0 #96575b, 0 0 20px rgba(239, 98, 108, .38);
}

/* Ура-дора: видна только после сброса — до этого тайл в руке помечать нельзя */
.tile.is-ura {
  z-index: 1;
  outline: 2px dashed #6fb3d2;
  outline-offset: 2px;
  box-shadow: 0 5px 0 #4a7f96, 0 0 18px rgba(111, 179, 210, .34);
}
.tile.is-ura::before {
  content: "U";
  position: absolute;
  z-index: 2;
  top: 3px;
  left: 3px;
  width: 17px;
  height: 17px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #6fb3d2;
  color: #0d2733;
  font-size: 10px;
  font-weight: 900;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .25);
}

.daily-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.daily-heading h2 { margin-bottom: 13px; }
.daily-heading span { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.daily-grid { display: grid; grid-template-columns: repeat(4, minmax(120px, 1fr)); gap: 10px; }
.daily-item {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, .04);
  border-radius: 12px;
  background: var(--panel-2);
  color: var(--muted);
  font-size: 12px;
}
.daily-panel { --context-tile-size: 46px; }
.context-tile { flex: none; }
.context-tile .tile { --tile-size: var(--context-tile-size); cursor: default; box-shadow: 0 4px 0 #a9a695, 0 8px 14px rgba(0,0,0,.24); }
.context-tile .tile:hover { transform: none; }
.dora-item { grid-column: span 2; }
.ura-item { grid-column: span 2; }
.dora-wall { display: flex; align-items: flex-start; gap: 5px; }
.tile-back {
  position: relative;
  width: var(--context-tile-size);
  height: calc(var(--context-tile-size) * 1.36);
  flex: none;
  border: 1px solid #111713;
  border-radius: 7px;
  background: linear-gradient(145deg, #fffefa, #e9e5d9);
  box-shadow:
    0 4px 0 #e4e0d4,
    0 5px 0 #111713,
    0 9px 12px rgba(0,0,0,.24);
}
.tile-back::before {
  content: "";
  position: absolute;
  inset: 0 2px 5px;
  border: 1px solid #111713;
  border-radius: 6px 6px 3px 3px;
  background: #2f8068;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.08);
}

.hand-groups { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 9px; }
.hand-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 9px 10px 7px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
}
.hand-group.is-single { opacity: .62; }
.hand-group .group-tiles { display: flex; gap: 4px; }
.hand-group .tile { --tile-size: 40px; cursor: default; }
.hand-group .tile:hover { transform: none; }
.group-label {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.group-points { color: var(--accent); font: 700 13px ui-monospace, monospace; }
.hand-group.is-single .group-points { color: var(--muted); }

.potential-preview {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid rgba(242, 201, 109, .28);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(242, 201, 109, .1), rgba(128, 214, 163, .06));
}
.potential-preview h3 {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 14px;
  font-weight: 700;
}
.potential-preview .group-points { display: none; }
.potential-preview .hand-group { background: rgba(16, 23, 19, .48); }

#result { margin-top: 18px; color: var(--muted); font-size: 14px; }
#result ul { display: grid; gap: 5px; margin: 0; padding: 0; list-style: none; }
#result li {
  padding: 8px 10px;
  border-radius: 9px;
  background: rgba(255, 255, 255, .025);
  line-height: 1.45;
}
#result .score-yaku { color: var(--gold); }
#result .score-potential { color: #8ed7ff; }

.toolbar { display: flex; gap: 10px; padding: 5px 28px 28px; }
button {
  padding: 11px 17px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--panel-2);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
  transition: transform .12s ease, background .12s ease;
}
button:hover { transform: translateY(-1px); background: rgba(58, 80, 66, .95); }
button:active { transform: translateY(0); }
#btn-new { border-color: rgba(128, 214, 163, .28); background: rgba(64, 119, 82, .62); }
#btn-structures { margin-left: auto; }

.structure-dialog {
  width: min(720px, calc(100% - 28px));
  max-height: min(820px, calc(100vh - 40px));
  padding: 0;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #18241d;
  color: var(--text);
  box-shadow: 0 30px 90px rgba(0, 0, 0, .58);
}
.structure-dialog::backdrop { background: rgba(4, 9, 6, .72); backdrop-filter: blur(5px); }
.dialog-heading {
  position: sticky;
  z-index: 2;
  top: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 22px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(24, 36, 29, .96);
  backdrop-filter: blur(12px);
}
.dialog-heading h2 { margin: 0; font-size: 20px; }
.dialog-heading p,
.structure-form p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.dialog-close { min-width: 38px; padding: 5px 10px; font-size: 24px; line-height: 1; }
.structure-list { display: grid; gap: 7px; padding: 16px 22px; }
.structure-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 84px auto;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 8px 10px;
  border: 1px solid rgba(255,255,255,.05);
  border-radius: 10px;
  background: var(--panel-2);
}
.structure-info { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.structure-info strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.structure-info span { color: var(--muted); font: 12px ui-monospace, monospace; letter-spacing: .08em; }
.structure-row input,
.structure-form input {
  width: 100%;
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  background: #101713;
  color: var(--text);
  font: inherit;
}
.structure-row input:focus,
.structure-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(128,214,163,.12); }
.structure-remove { padding: 8px 10px; color: #ff9aa1; font-size: 12px; }
.structure-form {
  display: grid;
  grid-template-columns: 1fr 120px 100px;
  gap: 12px;
  margin: 2px 22px 16px;
  padding: 16px;
  border: 1px solid rgba(128,214,163,.17);
  border-radius: 12px;
  background: rgba(128,214,163,.055);
}
.structure-form h3,
.structure-form p { grid-column: 1 / -1; }
.structure-form h3 { margin: 0; font-size: 16px; }
.structure-form label { display: grid; gap: 6px; color: var(--muted); font-size: 12px; }
.structure-form button[type="submit"] { align-self: end; }
.form-error { grid-column: 1 / -1; min-height: 18px; color: #ff9aa1; font-size: 12px; }
.dialog-actions { padding: 0 22px 22px; }
.dialog-actions button { color: var(--muted); }

@media (max-width: 700px) {
  :root { --tile-size: 48px; --tile-gap: 5px; }
  .topbar { padding: 25px 16px 8px; flex-wrap: wrap; }
  .topbar-auth { width: 100%; justify-content: flex-start; }
  main { padding: 12px 16px; }
  .toolbar { flex-wrap: wrap; padding: 4px 16px 22px; }
  #btn-structures { width: 100%; margin-left: 0; }
  .panel { padding: 15px; border-radius: 14px; }
  .daily-grid { grid-template-columns: 1fr; }
  .dora-item { grid-column: auto; align-items: flex-start; flex-direction: column; }
  .dora-wall { max-width: 100%; gap: 3px; }
  .daily-panel { --context-tile-size: 40px; }
  .daily-item { min-height: 55px; }
  .hand-group { padding: 7px; }
  .hand-group .tile { --tile-size: 34px; }
  .structure-form { grid-template-columns: 1fr; margin-inline: 14px; }
  .structure-form h3,
  .structure-form p,
  .form-error { grid-column: auto; }
  .structure-list { padding-inline: 14px; }
  .dialog-heading { padding-inline: 14px; }
  .structure-row { grid-template-columns: minmax(0, 1fr) 70px; }
  .structure-row .structure-remove { grid-column: 1 / -1; }
}