/**
 * NTMK Theme & Focus Mode Styles
 */

/* ═══════════════════════════════════════════════════════════
   THEME: MIDNIGHT DARK (OLED + EMERALD / CYAN ACCENTS)
   ═══════════════════════════════════════════════════════════ */
body.theme-midnight {
  --bg-color: #0b0f19;
  --bg-alt: #111827;
  --card-bg: #182234;
  --border-color: #273549;
  --text-color: #f1f5f9;
  --text-dim: #94a3b8;
  --primary-color: #06b6d4;
  --primary-hover: #0891b2;
  --accent-color: #10b981;
}

body.theme-midnight .app-shell-header {
  background: rgba(17, 24, 39, 0.92);
  border-bottom: 1px solid #1f293d;
}

body.theme-midnight .mobile-bottom-nav {
  background: rgba(17, 24, 39, 0.95);
  border-top: 1px solid #1f293d;
}

/* ═══════════════════════════════════════════════════════════
   THEME: ACADEMIC CLEAN (CRISP SEPIA / PAPER MINIMAL)
   ═══════════════════════════════════════════════════════════ */
body.theme-academic {
  --bg-color: #fcfbf9;
  --bg-alt: #f4f1ea;
  --card-bg: #ffffff;
  --border-color: #e5dfd3;
  --text-color: #26221c;
  --text-dim: #71695d;
  --primary-color: #3b6088;
  --primary-hover: #2d4a6a;
  --accent-color: #b85d19;
}

body.theme-academic .app-shell-header {
  background: rgba(252, 251, 249, 0.94);
  border-bottom: 1px solid #e5dfd3;
}

body.theme-academic .mobile-bottom-nav {
  background: rgba(252, 251, 249, 0.97);
  border-top: 1px solid #e5dfd3;
}

/* ═══════════════════════════════════════════════════════════
   FOCUS MODE (Chế độ tập trung giải đề)
   ═══════════════════════════════════════════════════════════ */
body.focus-mode-active .app-shell-header,
body.focus-mode-active .mobile-bottom-nav {
  display: none !important;
}

body.focus-mode-active #main-content {
  padding-top: 20px !important;
  max-width: 900px;
}

/* Floating Pomodoro Bar */
.focus-floating-bar {
  position: fixed;
  top: 16px;
  right: 20px;
  z-index: 9999;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  padding: 6px 16px;
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  animation: slideInDown 0.3s ease;
}

.focus-bar-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.focus-indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.7; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.7; }
}

.focus-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.focus-timer-text {
  font-family: monospace;
  font-size: 1.15rem;
  font-weight: 800;
  color: #fbbf24;
}

.focus-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.focus-btn {
  background: rgba(255, 255, 255, 0.12);
  border: none;
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s;
}

.focus-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.focus-btn.exit {
  background: rgba(239, 68, 68, 0.25);
  color: #fca5a5;
}

.focus-btn.exit:hover {
  background: #dc2626;
  color: #ffffff;
}