:root {
  --bg: #0b0d12;
  --bg-glow: #10151d;
  --bg-card: #12151c;
  --bg-elevated: #1a1f29;
  --bg-hover: #1e242f;
  --border: #232a36;
  --border-strong: #303947;
  --text: #eef1f5;
  --text-dim: #98a1ad;
  --text-faint: #6b7583;
  --accent: #6ee7b7;
  --accent-strong: #34d399;
  --accent-dim: #123527;
  --accent-glow: rgba(110, 231, 183, 0.12);
  --danger: #f87171;
  --danger-dim: #3a2020;
  --warn: #fbbf24;
  --warn-dim: #3a3220;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(1000px 500px at 85% -10%, var(--accent-glow), transparent 60%),
    radial-gradient(800px 400px at -10% 0%, rgba(96, 165, 250, 0.06), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ---------- topbar ---------- */

header.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 13, 18, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

header.topbar h1 {
  font-size: 15px;
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}

header.topbar h1::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--accent), #38bdf8);
  box-shadow: 0 0 12px var(--accent-glow);
}

header.topbar .user-info {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 13px;
  color: var(--text-dim);
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 16px 72px;
}

/* ---------- cards ---------- */

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 40%), var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 22px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin-top: 0;
  margin-bottom: 18px;
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
}

/* ---------- buttons & inputs ---------- */

button {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: #06281a;
  border: none;
  border-radius: var(--radius-sm);
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

button:hover { box-shadow: 0 0 0 3px var(--accent-glow); }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

button.secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border-strong);
}
button.secondary:hover { background: var(--bg-hover); box-shadow: none; }

button.danger { background: var(--danger); color: #2b0808; }

input, select {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-size: 14px;
  transition: border-color 0.15s ease;
}
input:focus, select:focus { outline: none; border-color: var(--accent-strong); }
input::placeholder { color: var(--text-faint); }

/* ---------- tables ---------- */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--text-faint);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

tbody tr { transition: background 0.1s ease; }
tbody tr:hover { background: var(--bg-hover); }
tbody tr:last-child td { border-bottom: none; }

td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- badges & mensajes ---------- */

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge.ok { background: var(--accent-dim); color: var(--accent); }
.badge.pending { background: var(--warn-dim); color: var(--warn); }
.badge.danger { background: var(--danger-dim); color: var(--danger); }

.item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
}
.item-row:last-child { border-bottom: none; }

.item-meta { color: var(--text-dim); font-size: 13px; }

.msg {
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 14px;
  border: 1px solid transparent;
}
.msg.error { background: var(--danger-dim); color: var(--danger); border-color: rgba(248, 113, 113, 0.25); }
.msg.ok { background: var(--accent-dim); color: var(--accent); border-color: rgba(110, 231, 183, 0.25); }

/* ---------- login ---------- */

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 340px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 45%), var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.login-card h1 { font-size: 19px; margin-bottom: 22px; text-align: center; }

.field { margin-bottom: 14px; display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; color: var(--text-dim); }
.field input { width: 100%; }

/* ---------- tabs ---------- */

.tabs {
  display: inline-flex;
  gap: 4px;
  margin-bottom: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
}

.tabs button {
  background: none;
  color: var(--text-dim);
  border-radius: 999px;
  padding: 8px 16px;
  font-weight: 600;
  font-size: 13.5px;
  box-shadow: none;
}
.tabs button:hover { color: var(--text); box-shadow: none; }
.tabs button.active {
  color: #06281a;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
}

.countdown {
  font-size: 26px;
  font-weight: 800;
  color: var(--warn);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.empty { color: var(--text-faint); font-style: italic; padding: 14px 0; }

.wip { color: var(--text-dim); font-size: 13px; font-style: italic; }

/* ---------- ranking ---------- */

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-tile {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.stat-tile .stat-label {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.stat-tile .stat-value {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
}

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

.rank-table td { padding-top: 12px; padding-bottom: 12px; }

.rank-pos {
  width: 44px;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
}

.rank-medal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  color: #1a1408;
}
.rank-gold { background: linear-gradient(135deg, #fde68a, #f59e0b); box-shadow: 0 0 10px rgba(245, 158, 11, 0.35); }
.rank-silver { background: linear-gradient(135deg, #e2e8f0, #94a3b8); color: #111827; }
.rank-bronze { background: linear-gradient(135deg, #fdba74, #c2660b); color: #221104; }

.rank-editor { display: flex; align-items: center; gap: 10px; font-weight: 600; }

.rank-avatar {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
}

.rank-1 .rank-avatar { background: linear-gradient(135deg, var(--accent), #38bdf8); color: #06281a; }
.rank-1 .rank-editor { font-weight: 800; }

.views-cell { min-width: 220px; }

.views-value {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  margin-bottom: 5px;
}

.views-bar-track {
  height: 6px;
  border-radius: 0 4px 4px 0;
  background: var(--bg-elevated);
  overflow: hidden;
}

.views-bar {
  height: 100%;
  border-radius: 0 4px 4px 0;
  background: var(--accent);
  min-width: 2px;
  transition: width 0.4s ease;
}

.ranking-note { margin-top: 14px; }

@media (max-width: 640px) {
  .stat-row { grid-template-columns: 1fr; }
  main { padding-top: 20px; }
  .tabs { display: flex; overflow-x: auto; }
}