/* ── Dark Intel Theme ──────────────────────────────────────────── */

:root {
  --bg:         #0a0f1a;
  --bg-card:    #111827;
  --bg-input:   #1e293b;
  --border:     #1e293b;
  --text:       #e2e8f0;
  --text-dim:   #94a3b8;
  --accent:     #22d3ee;
  --accent2:    #34d399;
  --danger:     #ef4444;
  --gold:       #eab308;
  --radius:     8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow: hidden;
}

.hidden { display: none !important; }

/* ── экран ────────────────────────────────────────────────────── */

.screen {
  position: fixed; inset: 0;
  display: flex;
  flex-direction: column;
}

/* ── top-bar ──────────────────────────────────────────────────── */

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  min-height: 48px;
}
.top-brand { display: flex; align-items: center; gap: 10px; }
.top-brand-hex { font-size: 1.4rem; color: var(--accent); opacity: .7; }
.top-title { font-weight: 600; font-size: 1.05rem; letter-spacing: .5px; }
.top-right { display: flex; gap: 12px; align-items: center; }
.user-badge {
  font-size: .85rem;
  color: var(--accent);
  padding: 3px 10px;
  border: 1px solid rgba(34,211,238,.2);
  border-radius: 4px;
  letter-spacing: .5px;
}
.menu-subtitle {
  padding: 14px 24px 0;
  font-size: .85rem;
  color: var(--text-dim);
  font-style: italic;
  letter-spacing: .5px;
}

/* ── кнопки ───────────────────────────────────────────────────── */

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  border-radius: var(--radius);
}

.btn-sm {
  background: var(--bg-input);
  color: var(--text);
  padding: 6px 16px;
  font-size: .85rem;
  border: 1px solid var(--border);
  transition: background .15s;
}
.btn-sm:hover { background: #334155; }

.btn-primary { background: var(--accent); color: #000; border-color: var(--accent); font-weight: 600; }
.btn-primary:hover { background: #06b6d4; }

/* ── логин ────────────────────────────────────────────────────── */

.login-box {
  margin: auto;
  width: 340px;
  text-align: center;
}

.logo-title { margin-bottom: 32px; }
.logo-hex {
  font-size: 72px;
  color: var(--accent);
  line-height: 1;
  text-shadow: 0 0 30px rgba(34,211,238,.3);
}
.logo-title h1 {
  font-size: 1.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 8px;
}
.logo-title small {
  font-size: .85rem;
  color: var(--text-dim);
  letter-spacing: 4px;
}

#login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
#login-form input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: var(--text);
  font-size: .95rem;
  outline: none;
  transition: border-color .2s;
}
#login-form input:focus { border-color: var(--accent); }
#login-form button {
  background: var(--accent);
  color: #000;
  font-weight: 700;
  padding: 10px;
  font-size: 1rem;
  letter-spacing: 1px;
}
#login-form button:hover { background: #06b6d4; }
.error { color: var(--danger); font-size: .85rem; min-height: 1.2em; }

/* ── фильтры и пагинация ──────────────────────────────────────── */

.menu-filters {
  display: flex;
  gap: 10px;
  padding: 14px 24px 0;
  flex-wrap: wrap;
  align-items: center;
}
.menu-filters select,
.menu-filters input {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: .85rem;
  font-family: inherit;
  outline: none;
  transition: border-color .2s;
}
.menu-filters select:focus,
.menu-filters input:focus { border-color: var(--accent); }
.menu-filters input { min-width: 160px; }

.menu-paging {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 10px 24px 18px;
}
.menu-paging #page-info {
  font-size: .9rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
  min-width: 60px;
  text-align: center;
}

/* ── меню уровней ─────────────────────────────────────────────── */

.level-list {
  padding: 18px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  overflow-y: auto;
  flex: 1;
}

.level-card {
  background: linear-gradient(165deg, #111827 0%, #0d1420 100%);
  border: 1px solid #1e293b;
  border-radius: 10px;
  padding: 0;
  text-align: left;
  display: flex;
  flex-direction: column;
  transition: border-color .25s, box-shadow .25s, transform .2s;
  position: relative;
  overflow: hidden;
}
.level-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(34,211,238,.04) 0%, transparent 50%);
  pointer-events: none;
}
.level-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 24px rgba(34,211,238,.12), 0 4px 16px rgba(0,0,0,.3);
  transform: translateY(-2px);
}
.level-card.completed {
  border-color: #1a3a2a;
}
.level-card.completed:hover {
  border-color: var(--accent2);
  box-shadow: 0 0 24px rgba(52,211,153,.12), 0 4px 16px rgba(0,0,0,.3);
}

/* ── card header: classification badge ── */

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  border-bottom: 1px solid rgba(255,255,255,.05);
  background: rgba(0,0,0,.2);
}
.card-class {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cls-color, var(--accent));
  padding: 2px 8px;
  border: 1px solid var(--cls-color, var(--accent));
  border-radius: 3px;
  opacity: .85;
}
.card-id {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

/* ── card body: hex icon + name ── */

.card-body {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 14px 10px;
}
.card-hex {
  font-size: 36px;
  line-height: 1;
  color: var(--accent);
  opacity: .2;
  flex-shrink: 0;
  transition: opacity .25s;
}
.level-card:hover .card-hex { opacity: .5; }
.level-card.completed .card-hex { color: var(--accent2); opacity: .35; }

.card-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.card-name {
  font-weight: 600;
  font-size: .95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-diff {
  font-size: .75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── card stats row ── */

.card-stats {
  display: flex;
  gap: 0;
  padding: 0 14px;
  margin-bottom: 10px;
}
.card-stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  padding: 8px 0;
  position: relative;
}
.card-stat + .card-stat::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 1px;
  background: rgba(255,255,255,.06);
}
.card-stat-label {
  font-size: .6rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}
.card-stat-val {
  font-size: .9rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

/* ── card footer: stars + best ── */

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  border-top: 1px solid rgba(255,255,255,.05);
  background: rgba(0,0,0,.15);
}
.card-stars {
  font-size: 1rem;
  color: var(--gold);
  letter-spacing: 2px;
}
.card-best {
  font-size: .75rem;
  color: var(--text-dim);
}

/* ── игровой экран ────────────────────────────────────────────── */

.game-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.game-area {
  flex: 1;
  position: relative;
  min-width: 0;
}
#game-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.game-sidebar {
  width: 200px;
  flex-shrink: 0;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
}

.sidebar-block { display: flex; flex-direction: column; gap: 6px; }
.sidebar-block label { font-size: .75rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); }

#target-canvas {
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}

.hud { gap: 4px; }
.hud-row {
  display: flex;
  justify-content: space-between;
  font-size: .9rem;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}
.hud-row span:first-child { color: var(--text-dim); }
.hud-row span:last-child { font-weight: 700; font-variant-numeric: tabular-nums; }

.controls { flex-direction: row; gap: 8px; }
.btn-rot {
  flex: 1;
  padding: 12px 0;
  font-size: 1.1rem;
  font-weight: 700;
  background: var(--bg-input);
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: background .15s, border-color .15s;
}
.btn-rot:hover { background: #334155; border-color: var(--accent); }

/* ── победа ───────────────────────────────────────────────────── */

.win-box {
  margin: auto;
  text-align: center;
  max-width: 380px;
}
.win-icon {
  font-size: 64px;
  color: var(--gold);
  text-shadow: 0 0 24px rgba(234,179,8,.35);
  margin-bottom: 12px;
}
.win-box h2 { font-size: 1.6rem; letter-spacing: 2px; text-transform: uppercase; }
.win-subtitle { color: var(--text-dim); font-style: italic; margin: 8px 0 24px; }

.win-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 28px;
}
.win-stats > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.win-stats span:first-child { font-size: .75rem; color: var(--text-dim); text-transform: uppercase; }
.win-stats span:last-child { font-size: 1.4rem; font-weight: 700; }

.win-buttons { display: flex; gap: 12px; justify-content: center; }

/* ── кнопка рекордов в sidebar ──────────────────────────────── */

.btn-records {
  margin-top: 4px;
  background: transparent;
  border: 1px solid rgba(34,211,238,.25);
  color: var(--accent);
  width: 100%;
}
.btn-records:hover { background: rgba(34,211,238,.1); border-color: var(--accent); }

/* ── экран рекордов ─────────────────────────────────────────── */

.records-container {
  flex: 1;
  padding: 20px 24px;
  overflow-y: auto;
}

.records-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
}
.tab-btn {
  flex: 1;
  padding: 8px 0;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .5px;
  background: var(--bg-input);
  color: var(--text-dim);
  border: 1px solid var(--border);
  transition: all .2s;
}
.tab-btn:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.tab-btn:last-child  { border-radius: 0 var(--radius) var(--radius) 0; border-left: none; }
.tab-btn.active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.tab-btn:hover:not(.active) { background: #334155; }

.records-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
}
.records-table thead th {
  text-align: left;
  padding: 8px 10px;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}
.records-table tbody tr {
  border-bottom: 1px solid rgba(255,255,255,.04);
  transition: background .15s;
}
.records-table tbody tr:hover { background: rgba(34,211,238,.04); }
.records-table tbody tr.mine { background: rgba(34,211,238,.06); }
.records-table tbody td {
  padding: 8px 10px;
  font-variant-numeric: tabular-nums;
}
.records-table .btn-replay {
  font-size: .75rem;
  padding: 3px 10px;
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(34,211,238,.3);
  border-radius: 4px;
  cursor: pointer;
  transition: all .15s;
}
.records-table .btn-replay:hover {
  background: rgba(34,211,238,.15);
  border-color: var(--accent);
}

.records-empty {
  text-align: center;
  color: var(--text-dim);
  font-style: italic;
  padding: 32px 0;
}

/* ── replay-зона ────────────────────────────────────────────── */

.replay-zone {
  margin-top: 24px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.replay-heading {
  font-size: .9rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.replay-layout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
#replay-canvas {
  width: 320px;
  height: 320px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  flex-shrink: 0;
}
.replay-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 180px;
}
.replay-step {
  font-size: .9rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.replay-speed-label {
  font-size: .8rem;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.replay-speed-label input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}
.replay-buttons { display: flex; gap: 8px; }

/* ── селектор языка ─────────────────────────────────────────── */

.lang-select {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: .8rem;
  font-family: inherit;
  cursor: pointer;
  outline: none;
  transition: border-color .2s;
  appearance: auto;
}
.lang-select:hover,
.lang-select:focus { border-color: var(--accent); }

.login-lang-bar {
  position: absolute;
  top: 14px;
  right: 20px;
  z-index: 10;
}

.login-register-link {
  margin-top: 16px;
  font-size: .85rem;
  color: var(--text-dim);
  text-align: center;
}
.login-register-link a {
  color: var(--accent);
  text-decoration: none;
  margin-left: 4px;
}
.login-register-link a:hover {
  text-decoration: underline;
}

.verify-msg {
  text-align: center;
  color: var(--text-dim);
  font-style: italic;
  margin: 16px 0;
  line-height: 1.5;
}
.verify-email-addr {
  text-align: center;
  color: var(--accent);
  font-weight: 600;
  font-size: 1rem;
}

/* ── экран профиля ──────────────────────────────────────────── */

.profile-container {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 48px 24px;
}

.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 380px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.profile-avatar {
  text-align: center;
  font-size: 56px;
  color: var(--accent);
  opacity: .4;
  line-height: 1;
}

.profile-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.profile-field label {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}
.profile-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

.profile-select {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: .9rem;
  font-family: inherit;
  cursor: pointer;
  outline: none;
  transition: border-color .2s;
}
.profile-select:focus { border-color: var(--accent); }

.profile-status {
  font-size: .85rem;
  color: var(--accent2);
  min-height: 1.2em;
  text-align: center;
}