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

/* Notification & UI theme variables */
:root {
  /* Phase visual remodel aliases.
     Rollback: remove alias variables and enhancement override block below. */
  --gold-100: #f7e7b8;
  --gold-500: #d4af37;
  --gold-700: #b8860b;
  --charcoal-900: #0b0c0f;
  --charcoal-700: #111217;
  --aqua-400: #4ee6e6;
  --aqua-200: #a8f7f7;
  --bg: #f8f9fa;
  --panel-bg: #ffffff;
  --text: #1a1a1a;
  --text-secondary: #666666;
  --accent: #0a7ea4;
  --accent-light: #e8f4f8;
  --panel-border: #e5e5e5;
  --success: #4caf50;
  --warning: #ff9800;
  --error: #f44336;
  
  /* Enhanced 3D variables */
  --glass-light: rgba(255, 255, 255, 0.6);
  --glass-dark: rgba(0, 0, 0, 0.05);
  --shimmer: linear-gradient(90deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.4));
  --glow-primary: 0 0 20px rgba(10, 126, 164, 0.2);
  --glow-accent: 0 0 16px rgba(10, 126, 164, 0.15);
  
  /* Notification colors */
  --notify-reminder: #38bdf8;
  --notify-alarm: #f87171;
  --notify-appointment: #fbbf24;
  --notify-note: #a78bfa;
  
  /* 3D Depth */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 32px 96px rgba(0, 0, 0, 0.6);
}

:root.theme-light {
  --bg: #f8f9fa;
  --panel-bg: #ffffff;
  --text: #1a1a1a;
  --text-secondary: #666666;
  --accent: #0a7ea4;
  --accent-light: #e8f4f8;
  --panel-border: #e5e5e5;
  
  /* Light mode glass */
  --glass-light: rgba(255, 255, 255, 0.6);
  --glass-dark: rgba(0, 0, 0, 0.05);
  --glow-primary: 0 0 20px rgba(10, 126, 164, 0.2);
  --glow-accent: 0 0 16px rgba(10, 126, 164, 0.15);
}

:root.theme-dark {
  --bg: #1a1a1a;
  --panel-bg: #2a2a2a;
  --text: #f0f0f0;
  --text-secondary: #b0b0b0;
  --accent: #0a9dc4;
  --accent-light: #1a3a42;
  --panel-border: #3a3a3a;
  --glow-primary: 0 0 20px rgba(10, 157, 196, 0.25);
  --glow-accent: 0 0 16px rgba(10, 157, 196, 0.15);
}

/* Light mode readability overrides */
body.theme-light #thread-panel,
body.theme-light #appointment-panel,
body.theme-light #notification-wall-panel {
  background: rgba(255, 255, 255, 0.92) !important;
  border-left: 1px solid rgba(59, 130, 246, 0.25) !important;
}

body.theme-light #thread-panel .thread-panel-inner,
body.theme-light #appointment-panel .appointment-panel-inner,
body.theme-light #notification-settings-panel .notification-settings-dialog {
  background: rgba(255, 255, 255, 0.96) !important;
}

body.theme-light .modal-dialog {
  background: #ffffff !important;
  color: var(--text) !important;
}

body.theme-light .hour-editor-inner {
  background: rgba(255, 255, 255, 0.96) !important;
}

body.theme-light .notification-theme-label {
  color: #475569 !important;
}

body.theme-light .notification-theme-select {
  background: #ffffff !important;
  color: var(--text) !important;
  border-color: rgba(30, 41, 59, 0.18) !important;
}

#app {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

#three-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

#ui-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}

#ui-overlay > * {
  pointer-events: auto;
}

/* Month navigation */
#calendar-nav {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  background: linear-gradient(
    180deg,
    rgba(14, 20, 36, 0.92) 0%,
    rgba(8, 12, 24, 0.96) 100%
  );
  border: 1px solid rgba(78, 230, 230, 0.22);
  border-radius: 999px;
  backdrop-filter: blur(16px) saturate(1.1);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(212, 175, 55, 0.28),
    inset 0 -1px 0 rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(212, 175, 55, 0.12);
  z-index: 20;
}

#calendar-nav-month {
  display: inline-block;
  min-width: 168px;
  padding: 6px 16px;
  font-size: 19px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.05em;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  color: #fff8e7;
  background: linear-gradient(
    180deg,
    rgba(22, 32, 52, 0.88) 0%,
    rgba(10, 16, 30, 0.94) 100%
  );
  border-radius: 10px;
  border: 1px solid rgba(78, 230, 230, 0.38);
  box-shadow:
    inset 0 1px 0 rgba(255, 248, 231, 0.12),
    inset 0 -1px 0 rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(212, 175, 55, 0.22),
    0 2px 10px rgba(0, 0, 0, 0.35);
  -webkit-text-stroke: 0.45px rgba(8, 12, 24, 0.85);
  paint-order: stroke fill;
  text-shadow:
    -1px -1px 0 rgba(8, 12, 24, 0.95),
    1px -1px 0 rgba(8, 12, 24, 0.95),
    -1px 1px 0 rgba(8, 12, 24, 0.95),
    1px 1px 0 rgba(8, 12, 24, 0.95),
    0 2px 4px rgba(0, 0, 0, 0.75),
    0 0 14px rgba(212, 175, 55, 0.22);
}

body.theme-light #calendar-nav-month {
  color: #422006;
  background: linear-gradient(
    180deg,
    rgba(255, 251, 235, 0.98) 0%,
    rgba(254, 243, 199, 0.96) 100%
  );
  border-color: rgba(180, 130, 20, 0.45);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -1px 0 rgba(180, 140, 40, 0.15),
    0 0 0 1px rgba(146, 64, 14, 0.12),
    0 2px 8px rgba(120, 53, 15, 0.12);
  -webkit-text-stroke: 0.4px rgba(255, 251, 235, 0.9);
  text-shadow:
    -1px -1px 0 rgba(255, 255, 255, 0.85),
    1px -1px 0 rgba(255, 255, 255, 0.85),
    -1px 1px 0 rgba(255, 255, 255, 0.85),
    1px 1px 0 rgba(255, 255, 255, 0.85),
    0 1px 2px rgba(120, 53, 15, 0.35);
}

body.theme-light #calendar-nav {
  background: linear-gradient(
    180deg,
    rgba(255, 252, 245, 0.96) 0%,
    rgba(254, 243, 199, 0.94) 100%
  );
  border-color: rgba(180, 140, 40, 0.35);
  box-shadow:
    0 8px 24px rgba(120, 53, 15, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    inset 0 -1px 0 rgba(180, 140, 40, 0.12);
}

#calendar-nav button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid #334155;
  background: rgba(30, 41, 59, 0.85);
  color: #e2e8f0;
  font-size: 22px;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}

#calendar-nav button:hover {
  background: #3b82f6;
  border-color: #3b82f6;
  transform: scale(1.05);
}

/* Wall toggle */
.wall-toggle {
  position: absolute;
  top: 72px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  padding: 5px;
  background: rgba(10, 14, 26, 0.92);
  border: 1px solid #334155;
  border-radius: 12px;
  backdrop-filter: blur(12px);
  z-index: 22;
}

.wall-toggle-btn {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: #94a3b8;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.wall-toggle-btn:hover {
  color: #e2e8f0;
  background: rgba(51, 65, 85, 0.5);
}

.wall-toggle-btn.is-active {
  background: rgba(99, 102, 241, 0.35);
  border-color: #6366f1;
  color: #f1f5f9;
}

#wall-appointments.is-active {
  background: rgba(14, 116, 144, 0.4);
  border-color: #0ea5e9;
}

.notify-bar {
  position: absolute;
  top: 128px;
  left: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 20;
}

.notify-status {
  font-size: 12px;
  color: #94a3b8;
}

.btn-ghost {
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid #475569;
  background: rgba(15, 23, 42, 0.85);
  color: #cbd5e1;
  font-size: 12px;
  cursor: pointer;
}

.btn-ghost:hover {
  border-color: #64748b;
  color: #f8fafc;
}

/* Hour editor — bottom-left, 3D grid visible beside it */
#hour-editor-panel {
  position: absolute;
  bottom: 20px;
  left: 20px;
  width: min(320px, 38vw);
  z-index: 35;
  pointer-events: auto;
}

#hour-editor-panel.hidden {
  display: none;
}

.hour-editor-inner {
  padding: 14px 16px;
  background: rgba(8, 12, 24, 0.94);
  border: 1px solid rgba(59, 130, 246, 0.45);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(12px);
}

.hour-editor-title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  color: #93c5fd;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

#hour-editor-panel label,
.thread-compose label,
.modal-dialog label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: #94a3b8;
  margin-bottom: 4px;
}

#hour-editor-panel select,
#hour-editor-panel textarea,
#hour-editor-panel .action-row--split input {
  width: 100%;
  margin-bottom: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid #334155;
  background: #0f1420;
  color: #f1f5f9;
  font-family: inherit;
  font-size: 13px;
  box-sizing: border-box;
}

#hour-editor-panel .action-row--split input {
  margin-bottom: 0;
}

body.detail-mode:not(.day-window-open) #thread-panel {
  left: min(42%, 480px);
}

body.day-window-open.detail-mode #thread-panel,
body.day-window-open.detail-mode #hour-editor-panel {
  display: block;
}

/* In-app alerts */
#in-app-alerts {
  position: absolute;
  top: 120px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 400;
  pointer-events: none;
  max-width: 360px;
}

.in-app-alert {
  position: relative;
  padding: 14px 36px 14px 16px;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid #334155;
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.35s, transform 0.35s;
  pointer-events: auto;
}

.in-app-alert--visible {
  opacity: 1;
  transform: translateX(0);
}

.in-app-alert--reminder {
  border-left: 4px solid #38bdf8;
}

.in-app-alert--alarm {
  border-left: 4px solid #f87171;
  min-width: min(320px, 92vw);
}

.in-app-alert-snooze {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(248, 113, 113, 0.25);
}

.in-app-alert-snooze-label {
  font-size: 11px;
  font-weight: 600;
  color: #fca5a5;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.in-app-alert-snooze-chip {
  min-width: 32px;
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid rgba(248, 113, 113, 0.45);
  background: rgba(30, 15, 15, 0.8);
  color: #fecaca;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.in-app-alert-snooze-chip.is-selected,
.in-app-alert-snooze-chip:hover {
  border-color: rgba(212, 175, 55, 0.65);
  background: rgba(212, 175, 55, 0.15);
  color: #fde68a;
}

.in-app-alert-snooze-unit {
  font-size: 11px;
  color: #94a3b8;
}

.in-app-alert-snooze-primary {
  margin-left: auto;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid rgba(212, 175, 55, 0.5);
  background: rgba(127, 29, 29, 0.35);
  color: #fde68a;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.in-app-alert-snooze-primary:hover {
  background: rgba(153, 27, 27, 0.5);
}

.in-app-alert--appointment {
  border-left: 4px solid #fbbf24;
}

/* Appointment panel */
#appointment-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: min(38%, 440px);
  background: linear-gradient(90deg, rgba(5, 8, 16, 0.15) 0%, rgba(8, 18, 32, 0.94) 12%, rgba(8, 18, 32, 0.98) 100%);
  backdrop-filter: blur(8px);
  border-left: 1px solid rgba(14, 165, 233, 0.4);
  z-index: 10001;
  overflow: hidden;
  pointer-events: auto;
  visibility: visible;
  opacity: 1;
  transition: opacity 0.2s ease;
}

#appointment-panel.hidden {
  display: none;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

/* Appointment action dropdown (injected by AppointmentPanel.js) */
.appointment-action-dropdown {
  position: fixed;
  z-index: 10000;
  background: rgba(8, 12, 22, 0.98);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 12px;
  box-shadow: 0 18px 56px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(14px);
  width: 240px;
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.2s ease;
}

/* Appointment modal — full dialog overlay */
#appointment-modal {
  position: fixed;
  inset: 0;
  z-index: 10002;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: transparent;
}

#appointment-modal.hidden {
  display: none;
  pointer-events: none;
}

/* Keep modals above the appointment panel */
#schedule-modal {
  z-index: 10002;
}

.appointment-action-dropdown.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  display: none;
}

.appointment-action-dropdown-title {
  padding: 12px 14px 8px;
  font-weight: 800;
  color: #c7d2fe;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 11px;
}

.appointment-action-dropdown-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
}

.appointment-action-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(51, 65, 85, 0.55);
  background: rgba(15, 23, 42, 0.75);
  color: #e2e8f0;
  cursor: pointer;
  text-align: left;
  font-weight: 700;
  font-size: 13px;
}

.appointment-action-item:hover {
  border-color: rgba(99, 102, 241, 0.7);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.18);
}

/* Ensure appointment close/back stays above dropdown overlays */
#btn-appt-back-month {
  position: relative;
  z-index: 90;
}

.appointment-close-x {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: rgba(15, 23, 42, 0.82);
  color: #e2e8f0;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  z-index: 10010;
}

.appointment-close-x:hover {
  border-color: rgba(248, 113, 113, 0.9);
  color: #fecaca;
}

.appointment-panel-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 128px 20px 20px;
  box-sizing: border-box;
}

.appointment-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  margin-top: 8px;
}

.appointment-list {
  margin-bottom: 16px;
}

.appointment-card {
  padding: 12px;
  margin-bottom: 10px;
  border-radius: 8px;
  border: 1px solid #1e40af;
  background: rgba(15, 30, 55, 0.85);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.appointment-card:hover {
  border-color: #38bdf8;
  background: rgba(14, 116, 144, 0.25);
}

.appointment-card-title {
  margin: 6px 0 4px;
  font-size: 15px;
  font-weight: 600;
  color: #e0f2fe;
}

.appointment-card-desc {
  margin: 0 0 10px;
  font-size: 13px;
  color: #94a3b8;
  line-height: 1.4;
}

#appointment-modal textarea,
#appointment-modal input,
#appointment-modal select {
  display: block;
  width: 100%;
  margin-top: 6px;
  margin-bottom: 12px;
  padding: 9px 10px;
  border-radius: 6px;
  border: 1px solid #334155;
  background: #0a0f18;
  color: #f1f5f9;
  box-sizing: border-box;
  font-family: inherit;
}

.in-app-alert strong {
  display: block;
  font-size: 13px;
  margin-bottom: 4px;
}

.in-app-alert p {
  margin: 0;
  font-size: 12px;
  color: #cbd5e1;
}

.in-app-alert-dismiss {
  position: absolute;
  top: 8px;
  right: 8px;
  border: none;
  background: transparent;
  color: #64748b;
  cursor: pointer;
}

/* Thread panel — right side, calendar visible on left */
#thread-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: min(38%, 440px);
  background: linear-gradient(90deg, rgba(5, 8, 16, 0.15) 0%, rgba(8, 12, 24, 0.94) 12%, rgba(8, 12, 24, 0.98) 100%);
  backdrop-filter: blur(8px);
  border-left: 1px solid rgba(99, 102, 241, 0.35);
  z-index: 30;
  overflow: hidden;
  pointer-events: auto;
}

#thread-panel.hidden {
  display: none;
}

.thread-panel-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 88px 20px 20px;
  box-sizing: border-box;
}

/* —— Button hierarchy —— */
.panel-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
}

.panel-section-title {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 600;
  color: #e2e8f0;
}

.panel-hint,
.compose-hint {
  margin: 0 0 12px;
  font-size: 11px;
  color: #64748b;
  line-height: 1.4;
}

.compose-hint kbd,
.btn-enter kbd {
  display: inline-block;
  padding: 1px 5px;
  font-size: 10px;
  font-family: inherit;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid #475569;
  border-radius: 4px;
  color: #cbd5e1;
}

.label-secondary {
  font-size: 11px !important;
  color: #64748b !important;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  background: linear-gradient(135deg, var(--accent), rgba(99, 102, 241, 0.95));
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.15s, transform 0.1s;
}

.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 8px;
  border: 1px solid #4f46e5;
  background: rgba(79, 70, 229, 0.2);
  color: #e0e7ff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.btn-secondary:hover {
  background: rgba(79, 70, 229, 0.4);
  border-color: #818cf8;
}

.btn-outline {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: rgba(30, 41, 59, 0.6);
  color: #e2e8f0;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.btn-outline:hover {
  background: rgba(51, 65, 85, 0.8);
  border-color: #64748b;
}

.btn-outline--reminder:hover {
  border-color: #38bdf8;
  color: #7dd3fc;
}

.btn-outline--alarm:hover {
  border-color: #f87171;
  color: #fca5a5;
}

.btn-ghost.btn-toggle.is-active {
  background: rgba(99, 102, 241, 0.25);
  border-color: #6366f1;
  color: #e0e7ff;
}

.btn-block {
  width: 100%;
}

.btn-nav-back {
  flex-shrink: 0;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: rgba(99, 102, 241, 0.15);
  color: #c7d2fe;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-nav-back:hover {
  background: rgba(99, 102, 241, 0.35);
  color: #fff;
}

.action-row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.action-row--primary {
  margin-top: 12px;
}

.action-row--split {
  align-items: stretch;
}

.action-row--split input {
  flex: 1;
  min-width: 0;
}

.action-row--end {
  justify-content: flex-end;
  margin-top: 16px;
}

.thread-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.thread-header h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
}

.toolbar-group {
  margin-bottom: 12px;
}

.toolbar-group-label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  margin-bottom: 6px;
}

.toolbar-group-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.new-thread-box {
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #1e293b;
}

.new-thread-box input {
  width: 100%;
  margin-bottom: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid #334155;
  background: #0f1420;
  color: #f1f5f9;
  font-size: 13px;
  box-sizing: border-box;
}

.sidebar-head {
  margin-bottom: 8px;
}

.thread-body {
  flex: 1;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 16px;
  min-height: 0;
}

.thread-sidebar,
.thread-main {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: rgba(15, 20, 35, 0.6);
  border-radius: 10px;
  border: 1px solid #1e293b;
  padding: 12px;
}

.thread-sidebar h3,
.thread-main h3 {
  margin: 0 0 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #94a3b8;
}

.schedules-heading {
  margin-top: 14px !important;
}

.thread-list,
.thread-notes-list,
.day-reminders-list,
.all-notes-list {
  flex: 1;
  overflow-y: auto;
  min-height: 80px;
}

.thread-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 28px 10px 10px;
  margin-bottom: 6px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: rgba(30, 41, 59, 0.5);
  color: #e2e8f0;
  cursor: pointer;
  position: relative;
  transition: border-color 0.15s, background 0.15s;
}

.thread-item:hover {
  border-color: #64748b;
}

.thread-item.active {
  border-color: #6366f1;
  background: rgba(99, 102, 241, 0.2);
}

.thread-item-title {
  display: block;
  font-weight: 600;
  font-size: 13px;
}

.thread-item-meta,
.thread-item-preview {
  display: block;
  font-size: 11px;
  color: #94a3b8;
  margin-top: 2px;
}

.thread-delete {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 22px;
  height: 22px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: #64748b;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}

.thread-delete:hover {
  color: #f87171;
  background: rgba(248, 113, 113, 0.15);
}

.note-card {
  padding: 12px;
  margin-bottom: 10px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: rgba(15, 23, 42, 0.8);
}

.note-card-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.note-hour {
  font-weight: 600;
  color: #93c5fd;
  font-size: 13px;
}

.note-time {
  font-size: 11px;
  color: #64748b;
}

.note-text {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.45;
  white-space: pre-wrap;
}

.note-actions {
  display: flex;
  gap: 8px;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 11px;
  border-radius: 5px;
  border: 1px solid #475569;
  background: transparent;
  color: #cbd5e1;
  cursor: pointer;
}

.btn-sm:hover {
  background: rgba(71, 85, 105, 0.4);
}

/* .btn-primary defined in hierarchy section */

.note-edit textarea,
.note-edit select {
  width: 100%;
  margin-bottom: 8px;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #334155;
  background: #0f1420;
  color: #f1f5f9;
  box-sizing: border-box;
}

.schedule-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: start;
  padding: 8px;
  margin-bottom: 6px;
  border-radius: 6px;
  font-size: 12px;
  background: rgba(30, 41, 59, 0.4);
}

.schedule-row--alarm {
  border-left: 3px solid #f87171;
}

.schedule-row--reminder {
  border-left: 3px solid #38bdf8;
}

.schedule-msg {
  grid-column: 1 / -1;
  color: #cbd5e1;
}

.thread-compose {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid #334155;
}

.thread-compose .toolbar-group-label {
  margin-bottom: 8px;
}

.compose-row--split {
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
}

.compose-field {
  flex: 1;
}

.thread-compose label {
  display: block;
  font-size: 11px;
  color: #94a3b8;
  margin-bottom: 4px;
}

.thread-compose select,
.thread-compose textarea {
  width: 100%;
  margin-bottom: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid #334155;
  background: #0f1420;
  color: #f1f5f9;
  font-family: inherit;
  font-size: 13px;
  box-sizing: border-box;
}

.all-notes-section {
  margin-bottom: 12px;
  padding: 12px;
  background: rgba(30, 41, 59, 0.5);
  border-radius: 8px;
  border: 1px solid #334155;
  max-height: 180px;
  overflow-y: auto;
}

.all-notes-section h3 {
  margin: 0 0 8px;
  font-size: 13px;
}

.all-note-row {
  padding: 8px;
  margin-bottom: 6px;
  border-radius: 6px;
  cursor: pointer;
  background: rgba(15, 23, 42, 0.6);
}

.all-note-row:hover {
  background: rgba(99, 102, 241, 0.15);
}

.empty-hint {
  font-size: 12px;
  color: #64748b;
  margin: 8px 0;
}

/* Schedule modal */
#schedule-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

#schedule-modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 0;
  pointer-events: auto;
}

.modal-dialog {
  position: relative;
  z-index: 1;
  width: min(400px, 90vw);
  padding: 24px;
  background: #0f1420;
  border: 1px solid #334155;
  border-radius: 12px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
  pointer-events: auto;
}

/* Digital Clock Time Picker */
.time-picker-section {
  margin: 16px 0;
}

.time-picker-section > label {
  display: block;
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.digital-clock-picker {
  display: flex;
  gap: 20px;
  justify-content: center;
  padding: 16px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(59, 130, 246, 0.05));
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 8px;
  margin-bottom: 16px;
}

/* Circular analog hour picker (appointments + reminders) — gold + aqua */
.circular-clock-mount {
  display: flex;
  justify-content: center;
  padding: 8px 0 4px;
}

.circular-clock {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.circular-clock__bezel {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: min(200px, 68vw);
  height: min(200px, 68vw);
  border-radius: 50%;
  background: radial-gradient(circle at 40% 30%, rgba(212, 175, 55, 0.12), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

.circular-clock__svg {
  position: relative;
  z-index: 1;
  width: min(220px, 72vw);
  height: auto;
  touch-action: none;
  cursor: pointer;
  filter: drop-shadow(0 10px 28px rgba(56, 189, 248, 0.22));
}

.circular-clock__ring {
  fill: none;
  stroke: url(#clock-ring-gold);
  stroke-width: 4;
}

.circular-clock__face {
  stroke: rgba(212, 175, 55, 0.35);
  stroke-width: 2;
}

.circular-clock__tick {
  stroke: rgba(78, 230, 230, 0.35);
  stroke-width: 1.5;
  stroke-linecap: round;
}

.circular-clock__tick--major {
  stroke: rgba(212, 175, 55, 0.75);
  stroke-width: 2.5;
}

.circular-clock__numeral {
  fill: #fde68a;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  pointer-events: none;
}

.circular-clock__icon {
  fill: rgba(168, 247, 247, 0.85);
  pointer-events: none;
}

.circular-clock--alarm .circular-clock__icon {
  fill: #fca5a5;
}

.circular-clock__hand {
  stroke: #a5f3fc;
  stroke-width: 4;
  stroke-linecap: round;
  filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.55));
}

.circular-clock--alarm .circular-clock__hand {
  stroke: #fecaca;
  filter: drop-shadow(0 0 8px rgba(248, 113, 113, 0.5));
}

.circular-clock__hub {
  fill: #d4af37;
  stroke: rgba(168, 247, 247, 0.5);
  stroke-width: 2;
}

.circular-clock__controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.circular-clock__ampm {
  display: flex;
  gap: 6px;
}

.circular-clock__ampm-btn {
  min-width: 48px;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid rgba(78, 230, 230, 0.35);
  background: rgba(10, 16, 30, 0.85);
  color: #94a3b8;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.circular-clock__ampm-btn.is-active {
  border-color: rgba(212, 175, 55, 0.65);
  background: rgba(212, 175, 55, 0.18);
  color: #fde68a;
}

.circular-clock--alarm .circular-clock__ampm-btn.is-active {
  border-color: rgba(248, 113, 113, 0.6);
  background: rgba(127, 29, 29, 0.35);
  color: #fecaca;
}

.circular-clock__readout {
  font-size: 15px;
  font-weight: 600;
  color: #a5f3fc;
  letter-spacing: 0.02em;
  text-align: center;
  font-family: var(--font-mono);
}

.time-unit-picker {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.time-unit-label {
  font-size: 11px;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 4px;
}

.time-display-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 60px;
  background: #0a0f18;
  border: 2px solid #334155;
  border-radius: 6px;
  padding: 0;
}

.time-display {
  font-size: 32px;
  font-weight: 700;
  color: #6366f1;
  font-family: 'Courier New', monospace;
  letter-spacing: 2px;
  text-align: center;
  min-width: 70px;
}

.time-increment-btn {
  width: 36px;
  height: 28px;
  padding: 0;
  border: 1px solid #334155;
  background: #1a1f2e;
  color: #94a3b8;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
}

.time-increment-btn:hover {
  background: #2a2f3e;
  border-color: #6366f1;
  color: #6366f1;
}

.time-increment-btn:active {
  transform: scale(0.95);
}

.time-unit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  margin-top: 8px;
  width: 140px;
  max-height: 120px;
  overflow-y: auto;
  padding: 4px;
  background: rgba(10, 15, 28, 0.5);
  border: 1px solid rgba(51, 65, 85, 0.3);
  border-radius: 4px;
}

.time-unit-btn {
  padding: 6px;
  background: #1a1f2e;
  border: 1px solid #334155;
  border-radius: 4px;
  color: #94a3b8;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.15s;
}

.time-unit-btn:hover {
  background: #2a2f3e;
  border-color: #6366f1;
  color: #6366f1;
}

.time-unit-btn.selected {
  background: #6366f1;
  border-color: #6366f1;
  color: #ffffff;
  font-weight: 700;
}

.modal-dialog h3 {
  margin: 0 0 16px;
}

.modal-dialog label {
  display: block;
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 12px;
}

.modal-dialog select,
.modal-dialog input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 9px 10px;
  border-radius: 6px;
  border: 1px solid #334155;
  background: #0a0f18;
  color: #f1f5f9;
  box-sizing: border-box;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

#schedule-save {
  /* uses .btn-primary.btn-enter */
}

.note-status--ok {
  color: #34d399;
}

.note-status--warn {
  color: #fbbf24;
}

/* Notification bell + dropdown (sidebar / notify-bar; see style-enhancements.css) */
.notification-dropdown {
  display: flex;
  align-items: center;
  gap: 6px;
}

.notification-gear-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(10, 14, 26, 0.92);
  color: #cbd5e1;
  font-size: 16px;
  cursor: pointer;
}

.notification-gear-btn:hover {
  border-color: #818cf8;
  color: #e0e7ff;
}

.notification-bell-btn {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(99, 102, 241, 0.5);
  background: rgba(10, 14, 26, 0.92);
  color: #e2e8f0;
  font-size: 20px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.2);
}

.notification-bell-btn:hover {
  transform: scale(1.05);
  border-color: #818cf8;
  box-shadow: 0 6px 28px rgba(99, 102, 241, 0.35);
}

.notification-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: #6366f1;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
}

.notification-badge.hidden {
  display: none;
}

.notification-dropdown-menu {
  position: absolute;
  top: 52px;
  right: 0;
  width: min(360px, 92vw);
  max-height: min(420px, 70vh);
  display: flex;
  flex-direction: column;
  background: rgba(8, 12, 22, 0.97);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 12px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(14px);
  overflow: hidden;
  animation: notify-dropdown-in 0.25s ease;
}

.notification-dropdown-menu.hidden {
  display: none;
}

@keyframes notify-dropdown-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.notification-dropdown-header,
.notification-dropdown-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid #1e293b;
  font-size: 12px;
  font-weight: 600;
  color: #94a3b8;
}

.notification-dropdown-footer {
  border-bottom: none;
  border-top: 1px solid #1e293b;
}

.notification-dropdown-list {
  overflow-y: auto;
  flex: 1;
}

.notification-dropdown-group {
  border-bottom: 1px solid rgba(30, 41, 59, 0.5);
}

.notification-dropdown-group:last-child {
  border-bottom: none;
}

.notification-dropdown-group-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 8px 14px 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #64748b;
  background: rgba(15, 23, 42, 0.5);
  position: sticky;
  top: 0;
  z-index: 1;
}

.notification-dropdown-group-icon {
  font-size: 13px;
}

.notification-dropdown-group-count {
  margin-left: auto;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(51, 65, 85, 0.6);
  font-size: 10px;
  font-weight: 600;
  color: #94a3b8;
}

.notification-dropdown-group-list {
  display: flex;
  flex-direction: column;
}

.notification-dropdown-empty {
  margin: 0;
  padding: 20px 16px;
  font-size: 13px;
  color: #64748b;
  text-align: center;
}

.notification-dropdown-empty.hidden {
  display: none;
}

.notification-dropdown-item {
  display: flex;
  align-items: stretch;
  gap: 0;
  width: 100%;
  border-bottom: 1px solid rgba(30, 41, 59, 0.6);
  background: transparent;
  color: #e2e8f0;
  transition: background 0.15s, opacity 0.2s;
}

.notification-dropdown-item:hover {
  background: rgba(51, 65, 85, 0.35);
}

.notification-dropdown-item.is-read {
  opacity: 0.55;
}

.notification-dropdown-item.is-read .notification-dropdown-msg {
  text-decoration: line-through;
  text-decoration-color: rgba(148, 163, 184, 0.5);
}

.notification-dropdown-item-main {
  flex: 1;
  display: flex;
  gap: 10px;
  padding: 10px 8px 10px 14px;
  border: none;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
  min-width: 0;
}

.notification-dropdown-actions {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 6px 8px 6px 0;
  flex-shrink: 0;
}

.notification-dropdown-action-btn {
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid #334155;
  background: rgba(15, 23, 42, 0.8);
  color: #94a3b8;
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.notification-dropdown-action-btn:hover:not(:disabled) {
  border-color: #6366f1;
  color: #e2e8f0;
  background: rgba(49, 46, 129, 0.4);
}

.notification-dropdown-action-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.notification-dropdown-snooze-wrap {
  position: relative;
}

.notification-dropdown-snooze-menu {
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 4px;
  background: rgba(8, 12, 22, 0.98);
  border: 1px solid #334155;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  z-index: 5;
  min-width: 88px;
}

.notification-dropdown-snooze-menu.hidden {
  display: none;
}

.notification-dropdown-snooze-menu button {
  padding: 6px 10px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: #cbd5e1;
  font-size: 11px;
  text-align: left;
  cursor: pointer;
}

.notification-dropdown-snooze-menu button:hover {
  background: rgba(99, 102, 241, 0.25);
}

.notification-dropdown-countdown {
  font-weight: 700;
  color: #93c5fd;
  font-variant-numeric: tabular-nums;
}

.notification-dropdown-countdown.is-urgent {
  color: #fbbf24;
  animation: notify-countdown-pulse 1.2s ease-in-out infinite;
}

.notification-dropdown-countdown.is-now {
  color: #f87171;
}

@keyframes notify-countdown-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.65;
  }
}

.notification-dropdown-item.notify-level--soft {
  border-left: 3px solid #38bdf8;
}

.notification-dropdown-item.notify-level--medium {
  border-left: 3px solid #fbbf24;
}

.notification-dropdown-item.notify-level--urgent,
.notification-dropdown-item.notify-level--final {
  border-left: 3px solid #f87171;
}

.notification-dropdown-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 11px;
  color: #94a3b8;
  margin-bottom: 4px;
}

.notification-dropdown-msg {
  font-size: 13px;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.btn-ghost--sm {
  padding: 4px 8px;
  font-size: 11px;
}

/* In-app alert escalation levels */
.in-app-alert--level-soft {
  border-left: 4px solid #38bdf8;
  box-shadow: 0 8px 32px rgba(56, 189, 248, 0.15);
}

.in-app-alert--level-medium {
  border-left: 4px solid #fbbf24;
  box-shadow: 0 8px 32px rgba(251, 191, 36, 0.15);
}

.in-app-alert--level-urgent {
  border-left: 4px solid #f87171;
  box-shadow: 0 8px 32px rgba(248, 113, 113, 0.2);
}

.in-app-alert--level-final {
  border-left: 4px solid #a78bfa;
  box-shadow: 0 8px 32px rgba(167, 139, 250, 0.2);
}

#in-app-alerts {
  top: 72px;
}

/* Notification wall panel — holographic shell in style-enhancements.css */
#notification-wall-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: min(28%, 340px);
  z-index: 10380;
  pointer-events: auto;
  background: transparent;
  border: none;
}

#notification-wall-panel.hidden {
  display: none;
}

.notification-wall-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 0;
  box-sizing: border-box;
  gap: 0;
  overflow: hidden;
}

.notification-wall-inner .panel-hint {
  margin: 0;
  font-size: 12px;
  color: #475569;
}

.notification-wall-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 2px;
  flex-shrink: 0;
}

.notification-wall-header h2 {
  margin: 0;
  font-size: 20px;
  color: #a5b4fc;
  text-shadow: 0 0 24px rgba(99, 102, 241, 0.2);
}

/* Filters + search (injected by NotificationWall.js) */
.notification-wall-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-shrink: 0;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(30, 41, 59, 0.65);
}

.notification-wall-search {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #1e293b;
  background: rgba(6, 8, 16, 0.95);
  color: #e2e8f0;
  font-size: 13px;
  font-family: inherit;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.notification-wall-search::placeholder {
  color: #475569;
}

.notification-wall-search:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
}

.notification-wall-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.notification-wall-filter-btn {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid #1e293b;
  background: rgba(10, 14, 24, 0.9);
  color: #94a3b8;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.notification-wall-filter-btn:hover {
  color: #e2e8f0;
  border-color: #475569;
}

.notification-wall-filter-btn.is-active {
  background: rgba(49, 46, 129, 0.55);
  border-color: #6366f1;
  color: #e0e7ff;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.25);
}

.notification-wall-empty-filter {
  margin: 0;
  padding: 8px 0;
  font-size: 13px;
  color: #64748b;
  text-align: center;
}

.notification-wall-empty-filter.hidden {
  display: none;
}

/* Scroll viewport + shadows */
.notification-wall-scroll-viewport {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.notification-wall-scroll-content {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 4px 6px 2px 12px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(168, 247, 247, 0.45) rgba(10, 14, 26, 0.9);
}

.notification-wall-scroll-content::-webkit-scrollbar {
  width: 8px;
}

.notification-wall-scroll-content::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #d4af37, #4ee6e6);
  border-radius: 999px;
}

.notification-wall-scroll-shadow {
  position: absolute;
  left: 0;
  right: 8px;
  height: 28px;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.notification-wall-scroll-shadow--top {
  top: 0;
  background: linear-gradient(to bottom, rgba(4, 6, 12, 0.95), transparent);
}

.notification-wall-scroll-shadow--bottom {
  bottom: 0;
  background: linear-gradient(to top, rgba(4, 6, 12, 0.95), transparent);
}

.notification-wall-scroll-viewport.can-scroll:not(.at-top) .notification-wall-scroll-shadow--top {
  opacity: 1;
}

.notification-wall-scroll-viewport.can-scroll:not(.at-bottom) .notification-wall-scroll-shadow--bottom {
  opacity: 1;
}

.notification-wall-hint-empty {
  padding: 24px 12px;
  text-align: center;
  color: #64748b;
}

/* Day sections + HTML timeline */
.notification-wall-day {
  margin-bottom: 28px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(30, 41, 59, 0.45);
}

.notification-wall-day:last-child {
  border-bottom: none;
  margin-bottom: 8px;
}

.notification-wall-day--fade-in {
  animation: notification-wall-fade-in 0.4s ease both;
}

.notification-wall-day-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0 4px 0 52px;
  font-size: 12px;
  font-weight: 700;
  color: #818cf8;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.notification-wall-day-count {
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(30, 27, 75, 0.6);
  font-size: 10px;
  color: #a5b4fc;
}

.notification-wall-timeline {
  position: relative;
  padding-left: 48px;
}

.notification-wall-timeline-line {
  position: absolute;
  left: 15px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(
    180deg,
    rgba(99, 102, 241, 0.15) 0%,
    rgba(99, 102, 241, 0.55) 50%,
    rgba(99, 102, 241, 0.15) 100%
  );
  border-radius: 2px;
}

.notification-wall-timeline-entries {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.notification-wall-entry {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 0;
  align-items: stretch;
  margin-left: -48px;
}

.notification-wall-entry--fade-in {
  animation: notification-wall-fade-in 0.35s ease both;
}

.notification-wall-entry:nth-child(2) {
  animation-delay: 0.04s;
}

.notification-wall-entry:nth-child(3) {
  animation-delay: 0.08s;
}

.notification-wall-entry:nth-child(4) {
  animation-delay: 0.12s;
}

@keyframes notification-wall-fade-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.notification-wall-time-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 14px;
  gap: 6px;
  position: relative;
  z-index: 1;
}

.notification-wall-timeline-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #6366f1;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.55);
  flex-shrink: 0;
}

.notification-wall-timeline-dot--reminder {
  background: #38bdf8;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.5);
}

.notification-wall-timeline-dot--alarm {
  background: #f87171;
  box-shadow: 0 0 10px rgba(248, 113, 113, 0.45);
}

.notification-wall-timeline-dot--appointment {
  background: #fbbf24;
  box-shadow: 0 0 10px rgba(251, 191, 36, 0.45);
}

.notification-wall-timeline-dot--note {
  background: #a78bfa;
  box-shadow: 0 0 10px rgba(167, 139, 250, 0.45);
}

.notification-wall-time-label {
  font-size: 10px;
  font-weight: 600;
  color: #64748b;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.notification-wall-item {
  display: flex;
  gap: 10px;
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(30, 41, 59, 0.85);
  background: rgba(8, 11, 20, 0.88);
  color: #e2e8f0;
  text-align: left;
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.25s ease,
    transform 0.2s ease;
}

.notification-wall-item:hover {
  border-color: rgba(129, 140, 248, 0.65);
  background: rgba(20, 18, 48, 0.75);
  box-shadow:
    0 4px 20px rgba(99, 102, 241, 0.22),
    0 0 0 1px rgba(99, 102, 241, 0.12);
  transform: translateX(2px);
}

.notification-wall-item.notify-level--soft {
  border-left: 3px solid #38bdf8;
}

.notification-wall-item.notify-level--medium {
  border-left: 3px solid #fbbf24;
}

.notification-wall-item.notify-level--urgent,
.notification-wall-item.notify-level--final {
  border-left: 3px solid #f87171;
}

.notification-wall-item-icon {
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
}

.notification-wall-item-body {
  min-width: 0;
  flex: 1;
}

.notification-wall-item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 11px;
  color: #64748b;
  margin-bottom: 6px;
}

.notification-wall-item-type {
  color: #94a3b8;
  font-weight: 600;
}

.notification-wall-item-status {
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(51, 65, 85, 0.45);
  font-size: 10px;
}

.notification-wall-item-msg {
  font-size: 13px;
  line-height: 1.45;
  color: #cbd5e1;
}

body.notification-wall-open #wall-toggle.is-hidden {
  display: none;
}

/* Notification settings */
#notification-settings-panel {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
}

#notification-settings-panel.hidden {
  display: none;
}

.notification-settings-dialog {
  position: relative;
  z-index: 2;
  width: min(400px, 92vw);
  max-height: 90vh;
  overflow-y: auto;
}

/* The dialog also has .panel-card, whose `overflow: hidden` (loaded later) was
   clipping the Settings content so you couldn't scroll to Notifications. The id
   raises specificity so scrolling wins on both desktop and mobile. */
#notification-settings-panel .notification-settings-dialog {
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.notification-settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.notification-settings-header h3 {
  margin: 0;
}

.notification-toggles {
  border: none;
  margin: 16px 0;
  padding: 0;
}

.notification-toggles legend {
  font-size: 11px;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  margin-bottom: 8px;
  cursor: pointer;
}

#notify-settings-volume {
  width: 100%;
  margin-bottom: 12px;
}

/* Notification settings — Phase 3 extras (injected UI) */
.notification-settings-extra {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(51, 65, 85, 0.7);
}

.notification-settings-extra-section {
  margin-bottom: 14px;
}

.notification-settings-extra-title {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 800;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.notification-settings-extra-help {
  margin: 0 0 10px;
  font-size: 12px;
  color: #64748b;
  line-height: 1.4;
}

/* Settings page — collapsible category groups */
.settings-group {
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 12px;
  margin: 10px 0;
  background: rgba(148, 163, 184, 0.05);
  overflow: hidden;
}
.settings-group__summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 14px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}
.settings-group__summary::-webkit-details-marker { display: none; }
.settings-group__summary::after {
  content: "▾";
  font-size: 11px;
  opacity: 0.6;
  transition: transform 0.2s ease;
}
.settings-group:not([open]) .settings-group__summary::after { transform: rotate(-90deg); }
.settings-group__body {
  padding: 4px 14px 14px;
}
/* Trim doubled spacing now that sections sit inside group bodies */
.settings-group__body > .notification-settings-extra-section:last-child { margin-bottom: 0; }
.settings-actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0;
}
.settings-actions-hint {
  margin: 4px 0 0;
  font-size: 12px;
  color: #64748b;
  min-height: 1em;
}

.notification-sound-by-type-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.notification-sound-by-type-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 10px;
  align-items: center;
}

.notification-sound-by-type-label {
  font-size: 12px;
  font-weight: 700;
  color: #94a3b8;
}

.notification-sound-by-type-select {
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid #334155;
  background: #0a0f18;
  color: #f1f5f9;
  font-family: inherit;
  font-size: 13px;
  box-sizing: border-box;
}

.notification-sound-by-type-select:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
}

.notification-sound-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.notification-sound-preview-card {
  border: 1px solid rgba(51, 65, 85, 0.65);
  background: rgba(15, 23, 42, 0.65);
  border-radius: 10px;
  padding: 10px 10px 12px;
  box-sizing: border-box;
}

.notification-sound-preview-name {
  font-size: 12px;
  font-weight: 700;
  color: #e2e8f0;
  margin-bottom: 8px;
}

.notification-sound-preview-btn {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: rgba(99, 102, 241, 0.18);
  color: #e0e7ff;
  font-weight: 700;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}

.notification-sound-preview-btn:hover {
  border-color: #6366f1;
  background: rgba(99, 102, 241, 0.28);
  transform: translateY(-1px);
}

.notification-quiet-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: #e2e8f0;
  margin-bottom: 10px;
}

.notification-quiet-toggle {
  width: 18px;
  height: 18px;
}

.notification-quiet-range {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

.notification-quiet-field label {
  display: block;
  font-size: 11px;
  color: #94a3b8;
  margin-bottom: 4px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.notification-quiet-time {
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid #334155;
  background: #0a0f18;
  color: #f1f5f9;
  font-family: inherit;
  font-size: 13px;
  box-sizing: border-box;
}

.notification-quiet-time:disabled {
  opacity: 0.6;
}

/* Theme selection (injected by NotificationSettings.js) */
.notification-theme-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: #94a3b8;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.notification-theme-select {
  width: 100%;
  padding: 9px 10px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #0a0f18;
  color: #f1f5f9;
  font-family: inherit;
  font-size: 13px;
  box-sizing: border-box;
}

.notification-theme-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
}

.notify-permission-blocked {
  color: var(--accent);
  padding: 8px 12px;
  margin-top: 10px;
  border-radius: 6px;
  background: rgba(255, 0, 0, 0.1);
}

.notification-settings-extra-help--quiet {
  margin-top: 6px;
}

.note-card--attention {
  border-color: rgba(251, 191, 36, 0.55);
  box-shadow: 0 0 0 1px rgba(251, 191, 36, 0.2);
}

.note-attention-badge {
  color: #fbbf24;
  margin-left: 6px;
}

.note-attention-btn {
  border-color: #ca8a04;
  color: #fde68a;
}

/* Injected mobile toolbar */
.mobile-bottom-toolbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 10px calc(env(safe-area-inset-right, 0px) + 10px) calc(env(safe-area-inset-bottom, 0px) + 10px) calc(env(safe-area-inset-left, 0px) + 10px);
  background: rgba(7, 10, 20, 0.97);
  border-top: 1px solid rgba(99, 102, 241, 0.35);
  backdrop-filter: blur(12px);
  z-index: 120;
}

.mobile-bottom-toolbar.is-visible {
  display: grid;
}

.mobile-toolbar-btn {
  min-height: 52px;
  border-radius: 12px;
  border: 1px solid rgba(71, 85, 105, 0.7);
  background: rgba(15, 23, 42, 0.85);
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
}

.mobile-toolbar-btn svg {
  width: 18px;
  height: 18px;
}

.mobile-toolbar-btn.is-active {
  border-color: rgba(99, 102, 241, 0.95);
  color: #e0e7ff;
  background: rgba(67, 56, 202, 0.35);
}

/* Touch-first affordances */
@media (hover: none) {
  .btn-primary:active,
  .btn-secondary:active,
  .btn-outline:active,
  .btn-ghost:active,
  .btn-nav-back:active,
  .wall-toggle-btn:active,
  .notification-bell-btn:active,
  .notification-dropdown-item-main:active,
  .notification-dropdown-action-btn:active,
  .notification-wall-item:active,
  .thread-item:active,
  .appointment-card:active,
  .all-note-row:active,
  .btn-sm:active {
    transform: scale(0.98);
    filter: brightness(1.08);
  }
}

@media (max-width: 900px) {
  #thread-panel {
    left: 0;
    background: rgba(8, 12, 24, 0.98);
  }

  .thread-body {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  #calendar-nav {
    top: 10px;
    width: calc(100vw - 20px);
    box-sizing: border-box;
    gap: 10px;
    padding: 10px 12px;
  }

  #app {
    padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 74px);
    box-sizing: border-box;
  }

  #calendar-nav-month {
    min-width: 0;
    font-size: 17px;
    padding: 5px 12px;
  }

  #calendar-nav button,
  .btn-nav-back,
  .btn-primary,
  .btn-secondary,
  .btn-outline,
  .btn-ghost,
  .wall-toggle-btn,
  .notification-bell-btn,
  .notification-dropdown-action-btn,
  .btn-sm {
    min-height: 44px;
  }

  .wall-toggle {
    top: 64px;
    width: calc(100vw - 20px);
    justify-content: center;
  }

  .wall-toggle-btn {
    flex: 1;
    font-size: 14px;
    padding: 10px 8px;
  }

  .notify-bar {
    top: 118px;
    left: 10px;
    right: 10px;
    justify-content: flex-start;
  }

  #in-app-alerts {
    top: 120px;
    left: 10px;
    right: 10px;
    max-width: none;
  }

  /* Panels become full-screen overlays (unless inside day window) */
  body:not(.day-window-open) #thread-panel,
  body:not(.day-window-open) #appointment-panel,
  #notification-wall-panel {
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    border-left: none;
    z-index: 10380;
    background: transparent;
    animation: panel-slide-in 0.24s ease-out;
  }

  #notification-wall-panel .notification-wall-inner {
    top: 56px;
    right: 8px;
    bottom: 2px;
    left: 8px;
  }

  @keyframes panel-slide-in {
    from {
      opacity: 0;
      transform: translateY(16px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .thread-panel-inner,
  .appointment-panel-inner {
    padding: 78px 12px 12px;
  }

  .thread-header-row {
    position: sticky;
    top: 0;
    z-index: 2;
    background: rgba(10, 14, 24, 0.95);
    padding-bottom: 8px;
    margin-bottom: 10px;
    border-bottom: 1px solid #1e293b;
  }

  #btn-back-month,
  #btn-appt-back-month,
  #btn-notification-wall-back,
  #btn-notification-settings-close {
    min-height: 46px;
    padding: 10px 14px;
    border-radius: 10px;
  }

  .thread-header h2,
  #appointment-day-title,
  #thread-day-title {
    font-size: 20px;
  }

  .toolbar-group-actions {
    gap: 10px;
  }

  .thread-body {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .thread-sidebar,
  .thread-main,
  .appointment-panel-body {
    padding: 10px;
  }

  /* Notification dropdown as bottom sheet (mobile) */
  .notification-dropdown-menu {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
    width: 100vw;
    max-height: min(72vh, 520px);
    border-radius: 14px 14px 0 0;
    border-left: none;
    border-right: none;
    border-bottom: none;
    animation: notify-sheet-in 0.22s ease-out;
  }

  @keyframes notify-sheet-in {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .notification-dropdown-header,
  .notification-dropdown-footer {
    padding: 12px 14px;
  }

  .notification-dropdown-item-main {
    padding: 12px 10px 12px 14px;
  }

  .notification-dropdown-action-btn {
    font-size: 11px;
    min-height: 36px;
  }

  /* Notification wall / settings as full-screen mobile sheets */
  .notification-wall-scroll-content {
    padding-bottom: 2px;
  }

  .notification-wall-header h2 {
    font-size: 18px;
  }

  #notification-settings-panel {
    align-items: stretch;
    justify-content: stretch;
    background: rgba(3, 6, 12, 0.55);
  }

  .notification-settings-dialog {
    width: 100vw;
    max-width: none;
    max-height: none;
    min-height: 100vh;
    border-radius: 0;
    border: none;
    padding-top: 72px;
    box-sizing: border-box;
    overflow-y: auto;
    animation: panel-slide-in 0.24s ease-out;
  }

  .notification-settings-header {
    position: sticky;
    top: 0;
    z-index: 5;
    background: rgba(10, 14, 24, 0.98);
    padding: 8px 0 10px;
    border-bottom: 1px solid #1e293b;
  }

  #btn-notification-settings-close,
  #btn-notification-wall-back,
  #btn-back-month,
  #btn-appt-back-month {
    font-size: 14px;
    font-weight: 700;
  }

  /* Keep form controls easy to tap */
  input,
  select,
  textarea,
  button {
    font-size: 16px;
  }

  .mobile-toolbar-btn {
    min-height: 56px;
  }

  .mobile-toolbar-btn svg {
    width: 20px;
    height: 20px;
  }
}

/* Phase 1 PWA shell: injected install prompt visuals. */
.install-prompt {
  position: fixed;
  right: 14px;
  bottom: 14px;
  width: min(340px, calc(100vw - 28px));
  z-index: 300;
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 12px;
  background: rgba(8, 12, 22, 0.96);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(10px);
}

.install-prompt.hidden {
  display: none;
}

.install-prompt__content {
  padding: 12px;
}

.install-prompt__title {
  display: block;
  margin-bottom: 4px;
  color: #e2e8f0;
  font-size: 14px;
}

.install-prompt__text {
  margin: 0 0 10px;
  color: #94a3b8;
  font-size: 12px;
}

.install-prompt__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.install-prompt__btn {
  border: 1px solid #334155;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.9);
  color: #cbd5e1;
  padding: 7px 12px;
  font-size: 12px;
  cursor: pointer;
}

.install-prompt__btn--primary {
  border-color: #6366f1;
  background: rgba(79, 70, 229, 0.35);
  color: #e0e7ff;
}

@media (prefers-reduced-motion: reduce) {
  .install-prompt,
  .install-prompt * {
    animation: none !important;
    transition: none !important;
  }
}

/* UX pass: DayScroller, MinimizeDock, notebook panel — see style-enhancements.css */

/* DayScroller base layout */
.day-scroller {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.day-scroller__track-wrap {
  overflow: hidden;
  min-height: 0;
}

.day-scroller__track {
  display: flex;
  gap: 4px;
}

/* Legacy minimize dock — replaced by .chrome-rail in style-enhancements.css */
.minimize-dock {
  display: none;
}

/* OS shell layer for AppLauncher + WindowManager.
   Rollback: remove this block and CalendarApp _mountOsShell hook. */
.os-shell {
  position: fixed;
  inset: 0;
  z-index: 10120;
  pointer-events: none;
}

body.detail-mode .os-shell,
body.embedded-app .os-shell {
  visibility: hidden;
}

.day-hover-preview {
  position: fixed;
  z-index: 10090;
  width: min(300px, 88vw);
  max-height: min(280px, 42vh);
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  border: 1px solid rgba(78, 230, 230, 0.35);
  background: linear-gradient(180deg, rgba(18, 26, 44, 0.97) 0%, rgba(10, 14, 26, 0.98) 100%);
  color: #e2e8f0;
  pointer-events: none;
  box-shadow:
    0 16px 40px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(212, 175, 55, 0.2);
  overflow: hidden;
}

.day-hover-preview.hidden {
  display: none;
}

.day-hover-preview__header {
  flex-shrink: 0;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(51, 65, 85, 0.6);
}

.day-hover-preview__title {
  font-size: 12px;
  font-weight: 700;
  color: #fde68a;
  letter-spacing: 0.03em;
}

.day-hover-preview__list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 6px 8px 10px;
  scrollbar-width: thin;
  scrollbar-color: rgba(129, 140, 248, 0.5) transparent;
}

.day-hover-preview__list::-webkit-scrollbar {
  width: 8px;
}

.day-hover-preview__list::-webkit-scrollbar-thumb {
  background: rgba(129, 140, 248, 0.45);
  border-radius: 999px;
}

.day-hover-preview__row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  padding: 6px 4px;
  border-bottom: 1px solid rgba(51, 65, 85, 0.35);
}

.day-hover-preview__row:last-child {
  border-bottom: none;
}

.day-hover-preview__time {
  font-size: 12px;
  font-weight: 700;
  color: #a8f7f7;
  font-variant-numeric: tabular-nums;
  padding-top: 2px;
}

.day-hover-preview__note-wrap {
  min-width: 0;
}

.day-hover-preview__kind {
  display: block;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #64748b;
  margin-bottom: 2px;
}

.day-hover-preview__text {
  margin: 0;
  font-size: 12px;
  line-height: 1.4;
  color: #f1f5f9;
  word-break: break-word;
}

.day-hover-preview__empty {
  margin: 0;
  padding: 12px;
  font-size: 12px;
  color: #94a3b8;
}

.app-notebook-calendar,
.app-notebook-calendar__frame {
  width: 100%;
  height: 100%;
  min-height: 360px;
  border: 0;
  border-radius: 8px;
  background: #0a0f18;
}

.os-app-launcher__title {
  margin: 0 0 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #94a3b8;
}

.os-app-launcher {
  position: fixed;
  left: 16px;
  bottom: 16px;
  width: min(320px, calc(100vw - 32px));
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 12px;
  background: rgba(10, 14, 26, 0.58);
  backdrop-filter: blur(8px);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.34);
  padding: 12px;
  pointer-events: auto;
}

.os-app-launcher__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(98px, 1fr));
  gap: 10px;
}

.os-app-icon {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: #e2e8f0;
  border-radius: 10px;
  padding: 8px 6px;
  display: grid;
  place-items: center;
  gap: 6px;
  cursor: pointer;
}

.os-app-icon:hover,
.os-app-icon:focus-visible {
  border-color: rgba(129, 140, 248, 0.75);
  background: rgba(30, 41, 59, 0.55);
  outline: none;
}

.os-app-icon__image {
  width: 64px;
  height: 64px;
  object-fit: contain;
}

.os-app-icon__label {
  font-size: 12px;
  text-align: center;
  line-height: 1.2;
}

.os-window-manager {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.os-window.os-window--notebook-compact {
  width: min(300px, calc(100vw - 24px));
  min-height: 0;
  border-color: rgba(212, 175, 55, 0.4);
  background: rgba(10, 14, 26, 0.88);
  backdrop-filter: blur(10px);
}

.os-window.os-window--notebook-compact .os-window__body {
  min-height: 0;
  max-height: 200px;
  padding: 8px 10px;
}

.os-window {
  position: absolute;
  width: min(560px, calc(100vw - 24px));
  min-height: 260px;
  border: 1px solid rgba(99, 102, 241, 0.45);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(10, 14, 26, 0.95);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.48);
  pointer-events: auto;
  transition: transform 140ms ease, opacity 140ms ease;
}

.os-window.is-focused {
  border-color: rgba(129, 140, 248, 0.9);
}

.os-window.is-minimized {
  opacity: 0;
  transform: scale(0.98);
  pointer-events: none;
}

.os-window__titlebar {
  height: 38px;
  padding: 0 10px;
  background: rgba(15, 23, 42, 0.92);
  border-bottom: 1px solid rgba(51, 65, 85, 0.8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: grab;
  user-select: none;
}

.os-window__title {
  color: #e2e8f0;
  font-size: 12px;
  font-weight: 600;
}

.os-window__actions {
  display: flex;
  gap: 6px;
  pointer-events: auto;
  position: relative;
  z-index: 2;
}

.os-window__btn {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 999px;
  border: 1px solid rgba(71, 85, 105, 0.8);
  background: rgba(15, 23, 42, 0.85);
  color: #cbd5e1;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  pointer-events: auto;
  flex-shrink: 0;
}

.os-window__btn:hover {
  background: rgba(51, 65, 85, 0.9);
  color: #f8fafc;
}

.os-window__btn--close {
  border-color: rgba(239, 68, 68, 0.75);
  color: #fecaca;
  font-weight: 700;
}

.os-window__btn--close:hover {
  background: rgba(127, 29, 29, 0.85);
  border-color: #f87171;
  color: #fff;
}

.os-window__body {
  min-height: 220px;
  max-height: min(65vh, 620px);
  overflow: auto;
  padding: 14px;
  color: #e2e8f0;
}

.app-notebook-calendar__title {
  margin: 0 0 8px;
  font-size: 20px;
}

.app-notebook-calendar__description {
  margin: 0 0 8px;
  color: #cbd5e1;
}

.app-notebook-calendar__meta {
  margin: 0;
  color: #94a3b8;
  font-size: 12px;
}

.os-window-error {
  margin: 0;
  color: #fca5a5;
}

/* Phase A visual foundation overrides.
   Rollback: remove this block and style-enhancements.css. */
#calendar-nav,
.wall-toggle,
.notification-dropdown-menu,
#thread-panel,
#appointment-panel,
#notification-wall-panel,
.modal-dialog,
.notification-settings-dialog,
.os-app-launcher,
.os-window {
  border-color: rgba(212, 175, 55, 0.28);
  box-shadow: var(--shadow-elevation-1), inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

#calendar-nav button,
.btn-secondary,
.btn-primary,
.wall-toggle-btn.is-active {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.34), rgba(17, 18, 23, 0.85));
  border-color: rgba(212, 175, 55, 0.56);
}

.notification-bell-btn,
.mobile-toolbar-btn.is-active {
  box-shadow: 0 0 22px rgba(78, 230, 230, 0.2);
  border-color: rgba(78, 230, 230, 0.5);
}

.panel-card,
.thread-sidebar,
.thread-main,
.appointment-card,
.note-card,
.notification-sound-preview-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0.06));
  border-radius: 12px;
  border: 1px solid rgba(212, 175, 55, 0.22);
  box-shadow: 0 8px 24px rgba(2, 6, 23, 0.6);
}

.panel-card::before,
.thread-sidebar::before,
.thread-main::before,
.appointment-card::before,
.note-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("/assets/textures/panel-grain.png");
  opacity: 0.06;
  mix-blend-mode: overlay;
  pointer-events: none;
}

.wall--notebook #app {
  background: radial-gradient(circle at 10% 8%, rgba(212, 175, 55, 0.08), transparent 35%);
  transition: background 420ms ease;
}

.wall--appointments #app {
  background: radial-gradient(circle at 90% 12%, rgba(78, 230, 230, 0.1), transparent 38%);
  transition: background 420ms ease;
}

@media (prefers-reduced-motion: reduce) {
  .os-window,
  .os-window *,
  .os-app-launcher,
  .os-app-launcher * {
    transition: none !important;
    animation: none !important;
  }
}

/* Phase C/D perf and accessibility fallback classes.
   Rollback: remove this fallback block. */
html.low-power .visual-overlay,
html.low-power .visual-orb-layer,
html.low-power .visual-orb {
  display: none !important;
}

@keyframes orbFloat {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(0, -10px, 0) scale(1.04); }
}

@media (prefers-reduced-motion: reduce) {
  .visual-overlay,
  .visual-orb-layer,
  .visual-orb {
    display: none !important;
  }

  #app,
  #three-canvas,
  .panel-card,
  .thread-sidebar,
  .thread-main,
  .appointment-card,
  .note-card,
  .notification-sound-preview-card {
    transition: none !important;
    animation: none !important;
  }
}

@media (prefers-contrast: more) {
  :root {
    --gold-500: #f5cf58;
    --aqua-400: #7ff3f3;
    --text: #ffffff;
    --text-secondary: #d1d5db;
  }
}