/* ── CSS Variables ─────────────────────────────────────────── */

:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --surface-raised: #f0f1f3;
  --text: #0f1117;
  --text-muted: #6b7280;
  --text-subtle: #9ca3af;
  --accent: #fd5c3c;
  --accent-hover: #e04a2b;
  --accent-subtle: rgba(253, 92, 60, 0.1);
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --turn-bg: #fffbeb;
  --error-bg: #fef2f2;
  --error-border: #fca5a5;
  --error-text: #b91c1c;
  --success-bg: #ecfdf5;
  --success-border: #6ee7b7;
  --success-text: #065f46;
  --empty-card: #f3f4f6;
}

[data-theme="dark"] {
  --bg: #0e1015;
  --surface: #181b24;
  --surface-raised: #1f2333;
  --text: #edeef2;
  --text-muted: #8b92a8;
  --text-subtle: #5a6080;
  --accent: #fd5c3c;
  --accent-hover: #ff7255;
  --accent-subtle: rgba(253, 92, 60, 0.14);
  --border: #252a3a;
  --border-strong: #323850;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.7);
  --turn-bg: #1c1a12;
  --error-bg: #2d0a0a;
  --error-border: #7f1d1d;
  --error-text: #fca5a5;
  --success-bg: #052e1c;
  --success-border: #065f46;
  --success-text: #a7f3d0;
  --empty-card: #252a3a;
}

/* ── Reset ─────────────────────────────────────────────────── */

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

/* ── Base ──────────────────────────────────────────────────── */

html {
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: block;
  padding: 0;
  line-height: 1.5;
  transition:
    background 0.2s,
    color 0.2s;
  -webkit-font-smoothing: antialiased;
}

/* ── Navbar ────────────────────────────────────────────────── */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.75rem;
  z-index: 50;
  transition:
    background 0.2s,
    border-color 0.2s;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  color: var(--text);
}

.nav-brand-suits {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  font-weight: 700;
}

.nav-brand-name {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.nav-end {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-username {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.3rem 0.65rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.4;
  transition:
    border-color 0.15s,
    background 0.15s;
}

.theme-toggle:hover {
  border-color: var(--accent);
  background: var(--accent-subtle);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.35rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  transition:
    color 0.15s,
    border-color 0.15s,
    background 0.15s;
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--surface-raised);
}

/* ── Lobby page layout ─────────────────────────────────────── */

.lobby-page-wrapper {
  padding-top: 56px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lobby-container {
  width: 100%;
  max-width: 900px;
  padding: 4rem 2rem 6rem;
}

/* ── Hero ──────────────────────────────────────────────────── */

.lobby-hero {
  text-align: center;
  margin-bottom: 3rem;
}

.lobby-hero-suits {
  font-size: 1.4rem;
  letter-spacing: 0.45em;
  color: var(--accent);
  opacity: 0.6;
  margin-bottom: 1rem;
}

.lobby-hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 0.6rem;
}

.lobby-hero p {
  font-size: 1rem;
  color: var(--text-muted);
}

/* ── Two-panel grid ────────────────────────────────────────── */

.lobby-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

/* ── Panels ────────────────────────────────────────────────── */

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.75rem;
  box-shadow: var(--shadow);
  transition:
    background 0.2s,
    border-color 0.2s;
}

.game-card {
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  cursor: pointer;
}

.game-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  transition:
    border-color 0.15s,
    box-shadow 0.15s,
    transform 0.15s;
}

.game-card h2 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0;
}

.game-card-suit {
  font-size: 2rem;
  line-height: 1;
}

.game-card-btn {
  margin-top: auto;
  width: fit-content;
  padding: 0.55rem 1.2rem;
  font-size: 0.85rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.55rem;
}

.panel-header h2 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.panel-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.55;
}

.live-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: #16a34a;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  animation: live-pulse 2.4s ease-in-out infinite;
}

@keyframes live-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.45;
  }
}

/* ── Form controls ─────────────────────────────────────────── */

.field {
  margin-bottom: 1.1rem;
}

.field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.field select {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 1.5px solid var(--border);
  border-radius: 9px;
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 500;
  background: var(--surface-raised);
  color: var(--text);
  cursor: pointer;
  appearance: none;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}

.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

/* ── Buttons ───────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.7rem 1.5rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.9rem;
  font-family: inherit;
  cursor: pointer;
  letter-spacing: 0.01em;
  transition:
    background 0.15s,
    transform 0.1s,
    box-shadow 0.15s;
}

.btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 14px rgba(253, 92, 60, 0.35);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

/* ── Game list ─────────────────────────────────────────────── */

.game-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1rem;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 0.5rem;
  transition:
    border-color 0.15s,
    background 0.15s;
}

.game-row:last-child {
  margin-bottom: 0;
}

.game-row:hover {
  border-color: var(--border-strong);
}

.game-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.game-players {
  font-size: 0.88rem;
  font-weight: 600;
}

.game-meta {
  font-size: 0.77rem;
  color: var(--text-muted);
}

.btn-join {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  border-radius: 8px;
  padding: 0.35rem 0.95rem;
  font-weight: 700;
  font-size: 0.8rem;
  font-family: inherit;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition:
    background 0.15s,
    color 0.15s;
}

.btn-join:hover {
  background: var(--accent);
  color: #fff;
}

/* ── Empty state ───────────────────────────────────────────── */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 1rem;
  gap: 0.65rem;
  text-align: center;
}

.empty-state-icon {
  font-size: 2rem;
  opacity: 0.12;
  color: var(--text);
}

.empty-state p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ── Shared game components ──────────────────────────────────────────────── */

.error-banner {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error-text);
  border-radius: 8px;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  margin: 0.75rem 0;
}