:root {
  --bg: #14121f;
  --bg-panel: #1f1b2e;
  --bg-panel-alt: #2a2440;
  --accent: #ff5da2;
  --accent-2: #6c5ce7;
  --good: #2ecc71;
  --bad: #e74c3c;
  --text: #f5f3fa;
  --text-dim: #a89fc2;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1,
h2,
h3 {
  margin: 0 0 0.5em;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
  width: 100%;
  flex: 1;
}

.panel {
  background: var(--bg-panel);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

button {
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  padding: 14px 20px;
  cursor: pointer;
  background: var(--accent-2);
  color: white;
  transition: transform 0.1s ease, background 0.2s ease;
}

button:hover:not(:disabled) {
  background: var(--accent);
}

button:active:not(:disabled) {
  transform: scale(0.97);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button.secondary {
  background: var(--bg-panel-alt);
}

input,
select {
  font-family: inherit;
  font-size: 1rem;
  padding: 12px 14px;
  border-radius: 10px;
  border: 2px solid var(--bg-panel-alt);
  background: var(--bg-panel-alt);
  color: var(--text);
  width: 100%;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent-2);
}

label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.field {
  margin-bottom: 16px;
}

.error {
  color: var(--bad);
  font-size: 0.9rem;
  margin-top: 8px;
}

.room-code {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-align: center;
}

.hidden {
  display: none !important;
}

.choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 600px) {
  .choice-grid {
    grid-template-columns: 1fr;
  }
}

.choice-btn {
  padding: 20px;
  font-size: 1.1rem;
  text-align: left;
  background: var(--bg-panel-alt);
}

.choice-btn.selected {
  background: var(--accent-2);
}

.choice-btn.correct {
  background: var(--good) !important;
  color: #06280f;
}

.choice-btn.incorrect {
  background: var(--bad) !important;
}

.scoreboard {
  list-style: none;
  margin: 0;
  padding: 0;
}

.scoreboard li {
  display: flex;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 6px;
  background: var(--bg-panel-alt);
}

.scoreboard li:first-child {
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
}

.timer-bar {
  height: 10px;
  border-radius: 6px;
  background: var(--bg-panel-alt);
  overflow: hidden;
  margin: 12px 0 20px;
}

.timer-bar-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.2s linear;
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-2);
  margin-left: 8px;
}

.top-links {
  padding: 16px 24px;
  display: flex;
  gap: 16px;
}

.top-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
}

.top-links a:hover {
  color: var(--text);
}