/* ============ Theme tokens ============ */

body[data-theme="cyberpunk"] {
  --bg-0: #07030f;
  --bg-1: #170a2e;
  --bg-grad: radial-gradient(ellipse at top, #1d0d3a 0%, #0a0416 55%, #050208 100%);
  --panel: #130a24;
  --panel-border: rgba(178, 38, 255, 0.35);
  --panel-glow: rgba(178, 38, 255, 0.18);
  --accent: #b026ff;
  --accent-soft: rgba(178, 38, 255, 0.15);
  --accent-2: #00f0ff;
  --accent-2-soft: rgba(0, 240, 255, 0.15);
  --danger: #ff2f6e;
  --danger-soft: rgba(255, 47, 110, 0.18);
  --text: #ece3ff;
  --text-muted: #8f7fb0;
  --tile-bg: #1a0e33;
  --tile-bg-hover: #26124a;
  --tile-border: rgba(178, 38, 255, 0.28);
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
  --radius: 10px;
  --scanlines: 1;
}

body[data-theme="classic"] {
  --bg-0: #05130c;
  --bg-1: #0c2417;
  --bg-grad: radial-gradient(ellipse at top, #0f2c1c 0%, #071810 55%, #030c08 100%);
  --panel: #0c2016;
  --panel-border: rgba(212, 175, 55, 0.35);
  --panel-glow: rgba(212, 175, 55, 0.12);
  --accent: #d4af37;
  --accent-soft: rgba(212, 175, 55, 0.15);
  --accent-2: #2ecc71;
  --accent-2-soft: rgba(46, 204, 113, 0.15);
  --danger: #e74c3c;
  --danger-soft: rgba(231, 76, 60, 0.18);
  --text: #f2ead0;
  --text-muted: #8fa899;
  --tile-bg: #123321;
  --tile-bg-hover: #1a4630;
  --tile-border: rgba(212, 175, 55, 0.25);
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
  --radius: 8px;
  --scanlines: 0;
}

body[data-theme="minimal"] {
  --bg-0: #f4f4f6;
  --bg-1: #ffffff;
  --bg-grad: #f4f4f6;
  --panel: #ffffff;
  --panel-border: #e5e5ea;
  --panel-glow: rgba(0, 0, 0, 0.04);
  --accent: #171717;
  --accent-soft: rgba(23, 23, 23, 0.06);
  --accent-2: #2563eb;
  --accent-2-soft: rgba(37, 99, 235, 0.1);
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, 0.1);
  --text: #171717;
  --text-muted: #737380;
  --tile-bg: #f0f0f3;
  --tile-bg-hover: #e6e6ea;
  --tile-border: #e0e0e5;
  --font-display: 'Rajdhani', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
  --radius: 6px;
  --scanlines: 0;
}

body[data-theme="playful"] {
  --bg-0: #fff2f8;
  --bg-1: #ffe8f3;
  --bg-grad: radial-gradient(ellipse at top, #ffe0f0 0%, #fff2f8 60%);
  --panel: #ffffff;
  --panel-border: #ffd3e8;
  --panel-glow: rgba(255, 93, 162, 0.12);
  --accent: #ff5da2;
  --accent-soft: rgba(255, 93, 162, 0.13);
  --accent-2: #7c5cff;
  --accent-2-soft: rgba(124, 92, 255, 0.13);
  --danger: #ff6b6b;
  --danger-soft: rgba(255, 107, 107, 0.15);
  --text: #3a1f47;
  --text-muted: #9c85ab;
  --tile-bg: #fdf2f8;
  --tile-bg-hover: #ffe3f0;
  --tile-border: #ffd3e8;
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
  --radius: 14px;
  --scanlines: 0;
}

/* ============ Base ============ */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--bg-grad);
  color: var(--text);
  font-family: var(--font-body);
  transition: background 0.4s ease, color 0.4s ease;
}

.crt-overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 1;
  opacity: 0;
}

body[data-theme="cyberpunk"] .crt-overlay {
  opacity: 0.5;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.02) 0px,
      rgba(255, 255, 255, 0.02) 1px,
      transparent 1px,
      transparent 3px
    );
  mix-blend-mode: overlay;
}

/* ============ Topbar ============ */

.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 20px 32px;
  border-bottom: 1px solid var(--panel-border);
  background: linear-gradient(to bottom, var(--panel-glow), transparent);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-display);
}

.brand-icon {
  color: var(--accent);
  text-shadow: 0 0 14px var(--accent);
  font-size: 1.4rem;
}

.brand-text {
  font-weight: 900;
  font-size: 1.7rem;
  letter-spacing: 0.08em;
  color: var(--text);
  text-shadow: 0 0 18px var(--panel-glow);
}

.brand-sub {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  font-weight: 600;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.balance-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: 0 0 20px var(--panel-glow);
}

.balance-label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  font-weight: 700;
}

.balance-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent-2);
  text-shadow: 0 0 10px var(--accent-2-soft);
  min-width: 70px;
}

.topup-btn {
  border: none;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.7rem;
  padding: 5px 10px;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}
.topup-btn:hover { background: var(--accent); color: var(--panel); transform: translateY(-1px); }

.theme-select-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  font-weight: 700;
}

.theme-select {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 7px 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
}

/* ============ Layout ============ */

.layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  padding: 28px 32px;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: 0 0 30px var(--panel-glow);
  padding: 22px;
}

/* ============ Controls ============ */

.controls-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
  height: fit-content;
}

.field-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.bet-input-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
}

#bet-input {
  flex: 1;
  background: var(--tile-bg);
  border: 1px solid var(--tile-border);
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 8px;
  padding: 10px 12px;
  min-width: 0;
}
#bet-input:focus { outline: none; border-color: var(--accent); }

.stepper {
  background: var(--tile-bg);
  border: 1px solid var(--tile-border);
  color: var(--accent);
  font-weight: 700;
  border-radius: 8px;
  padding: 0 12px;
  cursor: pointer;
  font-family: var(--font-body);
  transition: background 0.15s ease;
}
.stepper:hover { background: var(--tile-bg-hover); }

.range-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
  cursor: pointer;
}

.range-value {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent-2);
  min-width: 44px;
  text-align: right;
  font-size: 0.9rem;
}

.stats-block {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border-radius: var(--radius);
  background: var(--tile-bg);
  border: 1px solid var(--tile-border);
}

.stat { display: flex; flex-direction: column; gap: 4px; }

.stat-label {
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 700;
}

.stat-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}

.stat-value-accent {
  color: var(--accent-2);
  text-shadow: 0 0 12px var(--accent-2-soft);
}

.action-btn {
  border: none;
  border-radius: 10px;
  padding: 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}
.action-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.action-btn:not(:disabled):hover { transform: translateY(-2px); }

.action-btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0a0416;
  box-shadow: 0 0 24px var(--panel-glow);
}

.action-btn-cashout {
  background: var(--accent-2-soft);
  color: var(--accent-2);
  border: 1px solid var(--accent-2);
}
.action-btn-cashout:not(:disabled):hover {
  box-shadow: 0 0 20px var(--accent-2-soft);
}

.hint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  min-height: 2.2em;
}

.hint.win { color: var(--accent-2); font-weight: 700; }
.hint.lose { color: var(--danger); font-weight: 700; }

/* ============ Board ============ */

.board-panel {
  display: flex;
  align-items: center;
  justify-content: center;
}

.board-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
}

.grid {
  display: grid;
  gap: 10px;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1 / 1;
}

.tile {
  position: relative;
  border-radius: calc(var(--radius) - 2px);
  background: var(--tile-bg);
  border: 1px solid var(--tile-border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1rem, 3vw, 1.6rem);
  transition: background 0.12s ease, transform 0.08s ease, border-color 0.12s ease, box-shadow 0.12s ease;
  overflow: hidden;
}

.tile:not(.revealed):not(.disabled):hover {
  background: var(--tile-bg-hover);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 0 16px var(--panel-glow);
}

.tile.disabled { cursor: default; }

.tile.gem {
  background: var(--accent-2-soft);
  border-color: var(--accent-2);
  color: var(--accent-2);
  animation: pop-in 0.28s ease;
  text-shadow: 0 0 14px var(--accent-2);
}

.tile.mine {
  background: var(--danger-soft);
  border-color: var(--danger);
  color: var(--danger);
  animation: shake 0.4s ease;
  text-shadow: 0 0 14px var(--danger);
}

.tile.mine-dim {
  background: var(--tile-bg);
  border-color: var(--tile-border);
  color: var(--text-muted);
  opacity: 0.55;
}

@keyframes pop-in {
  0% { transform: scale(0.4); opacity: 0; }
  60% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}

/* ============ User chip / nav links ============ */

.user-chip {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 6px 12px;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: var(--panel);
}

.ghost-link {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--accent-2);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--accent-2);
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}
.ghost-link:hover { background: var(--accent-2-soft); }

/* ============ Auth pages ============ */

.auth-wrap {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  justify-content: center;
  font-family: var(--font-display);
  margin-bottom: 4px;
}
.auth-brand .brand-text {
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 0.08em;
}

.auth-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0 0 18px 0;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-form input[type="text"],
.auth-form input[type="password"] {
  width: 100%;
  background: var(--tile-bg);
  border: 1px solid var(--tile-border);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 8px;
  padding: 11px 12px;
}
.auth-form input:focus { outline: none; border-color: var(--accent); }

.auth-switch {
  text-align: center;
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.auth-switch a { color: var(--accent-2); font-weight: 700; text-decoration: none; }
.auth-switch a:hover { text-decoration: underline; }

/* ============ Admin panel ============ */

.admin-main {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 32px;
}

.admin-panel-head h2 {
  margin: 0 0 4px 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
}

.admin-panel-head .hint { margin-bottom: 16px; }

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 0.88rem;
}

.admin-table th {
  text-align: left;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 700;
  padding: 10px 12px;
  border-bottom: 1px solid var(--panel-border);
}

.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--panel-border);
  vertical-align: middle;
}

.admin-table input[type="number"],
.admin-table input[type="password"] {
  background: var(--tile-bg);
  border: 1px solid var(--tile-border);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 8px;
  font-family: var(--font-body);
  font-weight: 600;
  width: 110px;
}

.admin-table select.force-select {
  background: var(--tile-bg);
  border: 1px solid var(--tile-border);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 8px;
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
}

.streak-cell {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent-2);
  text-align: center;
}

.admin-table .save-btn,
.admin-table .del-btn,
.admin-table .pw-btn {
  border: none;
  border-radius: 6px;
  padding: 6px 10px;
  font-weight: 700;
  font-size: 0.75rem;
  cursor: pointer;
  font-family: var(--font-body);
}

.admin-table .save-btn { background: var(--accent-2-soft); color: var(--accent-2); }
.admin-table .pw-btn { background: var(--accent-soft); color: var(--accent); margin-left: 6px; }
.admin-table .del-btn { background: var(--danger-soft); color: var(--danger); }

.admin-table .row-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.admin-loading { text-align: center; color: var(--text-muted); padding: 20px; }

/* ============ Footer ============ */

.foot-note {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 18px;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}