/* TAB CHECK — neon dark, mobile-first */

:root {
  --bg: #0a0612;
  --bg-card: #150c25;
  --neon-pink: #ff2e88;
  --neon-cyan: #2ef2ff;
  --neon-yellow: #ffd23f;
  --neon-green: #4bff8f;
  --text: #f5f0ff;
  --text-dim: #a99cc4;
  --border: rgba(46, 242, 255, 0.35);
}

* {
  box-sizing: border-box;
}

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

.hidden {
  display: none !important;
}

.app {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 16px 48px;
  min-height: 100vh;
}

.screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.logo {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 8px 0 0;
  text-align: center;
  text-shadow: 0 0 10px var(--neon-cyan), 0 0 24px var(--neon-cyan);
}

.logo .accent {
  color: var(--neon-pink);
  text-shadow: 0 0 10px var(--neon-pink), 0 0 24px var(--neon-pink);
}

.tagline {
  color: var(--text-dim);
  text-align: center;
  margin: 0 0 8px;
}

.card {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 0 20px rgba(46, 242, 255, 0.15), inset 0 0 30px rgba(255, 46, 136, 0.05);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.field span {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.field input[type="text"],
.field input[type="number"] {
  background: #1e1230;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 1.2rem;
  padding: 12px 14px;
  width: 100%;
}

.field input:focus {
  outline: none;
  border-color: var(--neon-pink);
  box-shadow: 0 0 12px rgba(255, 46, 136, 0.6);
}

.rounds-picker {
  border: none;
  padding: 0;
  margin: 0 0 16px;
}

.rounds-picker legend {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0;
  margin-bottom: 8px;
}

.rounds-options {
  display: flex;
  gap: 10px;
}

.round-btn {
  flex: 1;
  padding: 12px 0;
  background: #1e1230;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
}

.round-btn.selected {
  background: var(--neon-pink);
  border-color: var(--neon-pink);
  color: #0a0612;
  box-shadow: 0 0 14px rgba(255, 46, 136, 0.7);
}

.btn-primary {
  width: 100%;
  padding: 14px 0;
  background: var(--neon-cyan);
  color: #0a0612;
  border: none;
  border-radius: 12px;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  cursor: pointer;
  box-shadow: 0 0 18px rgba(46, 242, 255, 0.6);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  width: 100%;
  padding: 12px 0;
  background: transparent;
  color: var(--neon-cyan);
  border: 1px solid var(--neon-cyan);
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 12px;
}

.btn-link {
  background: none;
  border: none;
  color: var(--neon-yellow);
  text-decoration: underline;
  font-size: 0.95rem;
  cursor: pointer;
  padding: 8px;
}

.how-to-play h2 {
  margin-top: 0;
  color: var(--neon-yellow);
}

.how-to-play ol {
  padding-left: 20px;
  line-height: 1.6;
}

.how-to-play .note {
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* GAME SCREEN */
.hud {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.hud-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hud-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hud-value {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--neon-green);
}

.timer-ring {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 4px solid var(--neon-pink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  box-shadow: 0 0 16px rgba(255, 46, 136, 0.6);
  flex-shrink: 0;
}

.timer-ring.warning {
  border-color: var(--neon-yellow);
  box-shadow: 0 0 16px rgba(255, 210, 63, 0.7);
}

.timer-ring.danger {
  border-color: #ff3b3b;
  box-shadow: 0 0 16px rgba(255, 59, 59, 0.8);
  animation: pulse 0.6s infinite alternate;
}

@keyframes pulse {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}

.prompt-card {
  text-align: center;
}

.category-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(46, 242, 255, 0.15);
  color: var(--neon-cyan);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.prompt-text {
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
}

.guess-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.guess-field {
  flex-direction: row;
  align-items: center;
  background: #1e1230;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  margin-bottom: 0;
}

.guess-field span {
  font-size: 1.4rem;
  color: var(--neon-yellow);
  text-transform: none;
  margin-right: 10px;
}

.guess-field input {
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 1.6rem;
  width: 100%;
  padding: 6px 0;
}

.guess-field input:focus {
  outline: none;
}

/* RESULT SCREEN */
.result-card {
  text-align: center;
}

.result-label {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--neon-yellow);
  margin: 0 0 12px;
}

.result-row {
  display: flex;
  justify-content: space-around;
  margin-bottom: 12px;
}

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

.result-col-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
}

.result-col-value {
  font-size: 1.6rem;
  font-weight: 800;
}

.result-points {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--neon-green);
  margin: 8px 0;
}

.result-note {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

/* GAME OVER SCREEN */
.over-title {
  text-align: center;
  color: var(--neon-pink);
  text-shadow: 0 0 12px var(--neon-pink);
  margin-top: 0;
}

.over-final-score {
  text-align: center;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--neon-cyan);
  text-shadow: 0 0 14px var(--neon-cyan);
  margin: 8px 0;
}

.over-player {
  text-align: center;
  color: var(--text-dim);
  margin-bottom: 16px;
}