/* ============================================
   ReadVenture Components
   Buttons, Cards, Bubbles, Inputs, Tags, Badges
   ============================================ */

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  outline: none;
  cursor: pointer;
  font-family: var(--font-stack);
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform 0.18s var(--ease-bounce), box-shadow 0.22s var(--ease-smooth), filter 0.22s var(--ease-smooth), opacity var(--anim-normal);
  color: var(--text-primary);
}
.btn:hover {
  filter: brightness(1.12);
}
.btn:active {
  transform: scale(0.92);
  filter: brightness(0.88);
  opacity: 0.9;
}

/* Primary button (gold/coral gradient) */
.btn-primary {
  border-radius: var(--radius-pill);
  padding: 12px 28px;
  background: var(--grad-primary);
  box-shadow: 0 4px 18px rgba(249,168,37,0.40);
  transition: transform 0.18s var(--ease-bounce), box-shadow 0.22s var(--ease-smooth), filter 0.22s var(--ease-smooth);
}
.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(249,168,37,0.60);
}

/* Purple gradient button */
.btn-purple {
  border-radius: var(--radius-pill);
  padding: 12px 28px;
  background: var(--grad-purple);
  box-shadow: 0 4px 18px rgba(139,92,246,0.40);
  transition: transform 0.18s var(--ease-bounce), box-shadow 0.22s var(--ease-smooth), filter 0.22s var(--ease-smooth);
}
.btn-purple:hover {
  box-shadow: 0 6px 28px rgba(139,92,246,0.60);
}

/* AI gradient button */
.btn-ai {
  background: var(--grad-ai);
  border-radius: var(--radius-4xl);
  font-size: var(--text-15);
  box-shadow: 0 4px 15px rgba(139,92,246,0.30);
  transition: transform 0.18s var(--ease-bounce), box-shadow 0.22s var(--ease-smooth), filter 0.22s var(--ease-smooth);
}
.btn-ai:hover {
  box-shadow: 0 6px 24px rgba(139,92,246,0.50);
}

/* Restart/Action icons */
.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  background: var(--glass-10);
  font-size: var(--text-18);
  color: var(--text-primary);
}

/* FAB buttons */
.fab {
  width: 52px; height: 52px;
  border-radius: var(--radius-full);
  font-size: var(--text-24);
  box-shadow: var(--shadow-lg);
  transition: transform 0.15s var(--ease-bounce), box-shadow 0.22s var(--ease-smooth), filter 0.22s var(--ease-smooth);
}
.fab:hover {
  transform: scale(1.08);
  filter: brightness(1.12);
}
.fab:active { transform: scale(0.90); }
.fab-purple {
  background: var(--grad-purple);
  box-shadow: 0 4px 18px rgba(139,92,246,0.40);
}
.fab-purple:hover {
  box-shadow: 0 6px 26px rgba(139,92,246,0.60);
}
.fab-gold {
  background: var(--grad-gold);
  box-shadow: 0 4px 18px rgba(249,168,37,0.40);
}
.fab-gold:hover {
  box-shadow: 0 6px 26px rgba(249,168,37,0.60);
}
.fab-cyan {
  background: var(--grad-teal);
  box-shadow: 0 4px 18px rgba(34,211,238,0.30);
}
.fab-cyan:hover {
  box-shadow: 0 6px 26px rgba(34,211,238,0.50);
}
.fab-me {
  background: var(--grad-me-btn);
  box-shadow: 0 4px 18px rgba(200,146,42,0.40);
}
.fab-me:hover {
  box-shadow: 0 6px 26px rgba(200,146,42,0.60);
}
.top-fab-me {
  position: absolute;
  top: 14px; right: 16px;
  width: 38px; height: 38px;
  border-radius: var(--radius-full);
  font-size: var(--text-18);
  z-index: 110;
}

/* ── Cards ── */
.card {
  background: var(--card-dark);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  border: 1px solid var(--border-light);
  transition: transform var(--anim-normal) var(--ease-smooth), box-shadow var(--anim-normal) var(--ease-smooth);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(168,85,247,0.12);
}

.card-ai {
  background: var(--grad-card-ai);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  border: 1px solid var(--border-purple-20);
  transition: transform var(--anim-normal) var(--ease-smooth), box-shadow var(--anim-normal) var(--ease-smooth);
}
.card-ai:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(168,85,247,0.15);
}

.card-glass {
  background: var(--card-glass);
  border: 1px solid var(--border-10);
  border-radius: var(--radius-xl);
  transition: transform var(--anim-normal) var(--ease-smooth), box-shadow var(--anim-normal) var(--ease-smooth);
}
.card-glass:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(168,85,247,0.10);
}

/* ── Chat Bubbles ── */
.bubble {
  max-width: 92%;
  padding: 10px 14px;
  border-radius: var(--radius-5xl);
  line-height: 1.4;
  font-size: var(--text-15);
  white-space: pre-wrap;
  word-break: break-word;
}

.bubble-bot {
  align-self: flex-start;
  background: var(--card-dark);
  color: var(--text-primary);
  border: 1px solid var(--border-10);
  border-bottom-left-radius: var(--radius-sm);
}

.bubble-user {
  align-self: flex-end;
  background: var(--grad-send);
  color: var(--text-primary);
  border-bottom-right-radius: var(--radius-sm);
  box-shadow: 0 2px 12px rgba(168,85,247,0.25);
}

/* ── Input ── */
.input-row {
  display: flex;
  align-items: flex-end;
  gap: var(--space-sm);
  padding: var(--space-sm);
}

.chat-input {
  flex: 1;
  border: 2px solid var(--border-15);
  background: var(--glass-5);
  border-radius: var(--radius-5xl);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: var(--text-15);
  font-family: var(--font-stack);
  resize: none;
  transition: border-color 0.25s var(--ease-smooth), box-shadow 0.25s var(--ease-smooth);
}
.chat-input:focus {
  outline: none;
  border-color: rgba(139,92,246,0.55);
  box-shadow: 0 0 0 4px rgba(139,92,246,0.15), 0 0 20px rgba(139,92,246,0.10);
}
.chat-input::placeholder {
  color: var(--text-muted);
}

.send-btn {
  width: 42px; height: 42px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-send);
  box-shadow: 0 4px 15px rgba(168,85,247,0.30);
  font-size: var(--text-18);
  color: var(--text-primary);
  flex-shrink: 0;
  cursor: pointer;
  border: none;
  transition: transform 0.15s var(--ease-bounce), box-shadow 0.22s var(--ease-smooth), filter 0.22s var(--ease-smooth);
}
.send-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(168,85,247,0.50);
  filter: brightness(1.12);
}
.send-btn:active {
  transform: scale(0.92);
  box-shadow: 0 2px 8px rgba(168,85,247,0.20);
}

/* ── Tags / Chips ── */
.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--text-12);
  font-weight: 600;
}

.tag-gold {
  background: var(--gold-15);
  color: var(--gold);
}

.tag-purple {
  background: var(--purple-15);
  color: var(--purple-light);
}

.tag-cyan {
  background: var(--cyan-15);
  color: var(--cyan);
}

.tag-green {
  background: var(--green-12);
  color: var(--green-light);
}

/* Chip filter row */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: var(--text-13);
  font-weight: 600;
  background: var(--glass-5);
  border: 1px solid var(--border-15);
  cursor: pointer;
  color: var(--text-primary);
  transition: all var(--anim-normal);
}
.chip.active {
  background: var(--purple-20);
  border-color: var(--border-purple-35);
  color: var(--purple-light);
}

/* ── Badge ── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: var(--text-10);
  font-weight: 700;
}

.badge-gold { background: var(--gold-20); color: var(--gold-dark); }
.badge-purple { background: var(--purple-20); color: var(--purple-light); }
.badge-cyan { background: var(--cyan-20); color: var(--cyan); }
.badge-green { background: var(--green-12); color: var(--green); }
.badge-red { background: var(--glass-15); color: var(--red); }

/* ── Avatar ── */
.avatar {
  width: 32px; height: 32px;
  border-radius: var(--radius-full);
  background: var(--grad-ai);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-16);
  flex-shrink: 0;
}

.avatar-lg {
  width: 64px; height: 64px;
  font-size: var(--text-28);
}

.avatar-xl {
  width: 80px; height: 80px;
  font-size: var(--text-40);
}

/* ── Progress Bar ── */
.progress-bar {
  height: 6px;
  border-radius: var(--space-xs);
  background: var(--glass-10);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: var(--space-xs);
  transition: width var(--anim-slow) var(--ease-smooth);
}

.progress-gold {
  background: var(--grad-gold);
}

.progress-purple {
  background: var(--grad-level-fill);
}

/* ── Section Headers ── */
.section-title {
  color: var(--text-primary);
  font-size: var(--text-16);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: var(--text-13);
}

/* ── Dividers ── */
.divider {
  height: 1px;
  background: var(--border-10);
  margin: var(--space-md) 0;
}

/* ── Modal Action Buttons ── */
.modal-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
  margin-top: var(--space-lg);
}

/* ── Utils ── */
.clickable {
  cursor: pointer;
  transition: transform var(--anim-normal), opacity var(--anim-normal);
}
.clickable:active {
  transform: scale(0.97);
}