/* UX extension layer */

:root {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 22px;
  --space-6: 30px;
  --panel-radius: 12px;
  --focus-ring: rgba(var(--accent-rgb), 0.95);
  --focus-halo: rgba(var(--accent-rgb), 0.28);
  --ux-smooth: cubic-bezier(0.22, 1, 0.36, 1);
}

html.density-compact {
  --space-1: 2px;
  --space-2: 6px;
  --space-3: 9px;
  --space-4: 12px;
  --space-5: 16px;
  --space-6: 22px;
}

html.density-comfortable {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 22px;
  --space-6: 30px;
}

html,
body {
  height: 100dvh !important;
}

/* Better readability for secondary text */
.tagline,
.icon-label,
.settings-section-title,
.bg-option-label,
.panic-hint,
.cloak-label,
.newtab-hint,
.music-library-label,
.music-playlist-count,
.ai-msg-thinking {
  color: #8d95a3 !important;
}

/* High-visibility keyboard focus */
:where(a, button, input, select, textarea, [role="button"], [tabindex]):focus-visible {
  outline: 2px solid var(--focus-ring) !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 3px var(--focus-halo) !important;
}

/* Optional native cursor mode */
html.cursor-native,
html.cursor-native *,
html.cursor-native *::before,
html.cursor-native *::after {
  cursor: auto !important;
}

html.cursor-native .cursor-glow,
html.cursor-native .cursor-dot,
html.cursor-native .cursor-trail {
  display: none !important;
}

/* Motion preferences */
html.reduce-motion *,
html.reduce-motion *::before,
html.reduce-motion *::after {
  animation-duration: 0.001ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.001ms !important;
  transition-delay: 0ms !important;
  scroll-behavior: auto !important;
}

@media (prefers-reduced-motion: reduce) {
  html:not(.motion-full) *,
  html:not(.motion-full) *::before,
  html:not(.motion-full) *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }
}

/* Theme profiles */
html.theme-high-contrast {
  --text: #f4f6fb;
  --muted: #c4cad5;
  --border: rgba(255, 255, 255, 0.2);
  --border-hi: rgba(255, 255, 255, 0.35);
}

html.theme-high-contrast #grain-overlay,
html.theme-minimal #grain-overlay {
  opacity: 0 !important;
}

html.theme-soft-glow .icon-tile,
html.theme-soft-glow .taskbar-btn.active,
html.theme-soft-glow .action-btn:hover {
  box-shadow:
    0 0 30px rgba(var(--accent-rgb), 0.16),
    0 0 70px rgba(var(--accent-rgb), 0.08),
    0 12px 28px rgba(0, 0, 0, 0.45) !important;
}

html.theme-minimal .vignette,
html.theme-minimal #grain-overlay,
html.theme-minimal .music-hero-ambient {
  display: none !important;
}

html.theme-minimal .icon-tile,
html.theme-minimal .action-btn,
html.theme-minimal .music-result-row,
html.theme-minimal .taskbar-btn,
html.theme-minimal .settings-section {
  box-shadow: none !important;
}

/* Spacing normalization */
.app-grid {
  gap: var(--space-3) !important;
}

.app-icon {
  gap: var(--space-2) !important;
}

.browser-bar {
  padding: var(--space-2) var(--space-4) !important;
}

.browser-addr-row {
  padding: var(--space-2) var(--space-4) !important;
}

.games-header,
.games-scroll,
.music-nav-top,
.music-library-header,
.music-browse,
.ai-sidebar-top,
.ai-input-wrap {
  padding-left: var(--space-4) !important;
  padding-right: var(--space-4) !important;
}

.taskbar-btn {
  padding: var(--space-2) var(--space-3) !important;
}

/* Settings hierarchy improvements */
#screen-settings .settings-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

#screen-settings .settings-section {
  margin: 0 !important;
  padding: var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--panel-radius);
  background: rgba(255, 255, 255, 0.03);
  transition:
    border-color 0.24s var(--ux-smooth),
    background 0.24s var(--ux-smooth),
    transform 0.24s var(--ux-smooth),
    box-shadow 0.24s var(--ux-smooth);
}

#screen-settings .settings-section:hover {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.045);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.26);
}

#settingsPanicSection {
  display: none !important;
}

.ux-settings-group {
  font-size: 10px;
  color: #9ca6b5;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-top: var(--space-2);
  margin-bottom: calc(var(--space-2) * -1);
}

.ux-section-help {
  margin-top: -6px;
  margin-bottom: var(--space-3);
  font-size: 10px;
  color: #7f8999;
  letter-spacing: 0.04em;
}

/* Accessibility and interface controls */
.ux-toggle-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3);
  margin-bottom: var(--space-2);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.035);
}

.ux-toggle-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.ux-toggle-title {
  font-size: 11px;
  color: #cfd4dd;
  letter-spacing: 0.04em;
}

.ux-toggle-sub {
  margin-top: 2px;
  font-size: 9px;
  color: #818896;
  letter-spacing: 0.05em;
}

.ux-toggle-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.ux-toggle-pill {
  margin-left: auto;
  width: 40px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  position: relative;
  flex-shrink: 0;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.ux-toggle-pill::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #c7ced9;
  transition: transform 0.18s ease, background 0.18s ease;
}

.ux-toggle-input:checked + .ux-toggle-pill {
  background: rgba(var(--accent-rgb), 0.25);
  border-color: rgba(var(--accent-rgb), 0.5);
}

.ux-toggle-input:checked + .ux-toggle-pill::after {
  transform: translateX(16px);
  background: var(--accent);
}

.ux-toggle-row:focus-within {
  border-color: rgba(var(--accent-rgb), 0.45);
  box-shadow: 0 0 0 2px rgba(var(--accent-rgb), 0.15);
}

.ux-inline-controls {
  display: grid;
  gap: var(--space-2);
}

.ux-control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
}

.ux-bg-tune-wrap {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.ux-range-row {
  align-items: flex-start;
}

.ux-range-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 170px;
}

.ux-range {
  width: 120px;
  accent-color: rgb(var(--accent-rgb));
}

.ux-range-val {
  width: 44px;
  text-align: right;
  font-size: 10px;
  color: #a7b0be;
}

.ux-control-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  color: #cfd4dd;
  letter-spacing: 0.04em;
}

.ux-control-sub {
  font-size: 9px;
  color: #818896;
  letter-spacing: 0.05em;
}

.ux-select {
  min-width: 140px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: #d6dde8;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 8px 10px;
  outline: none;
}

.ux-chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ux-chip {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.04);
  color: #adb6c4;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  transition:
    transform 0.2s var(--ux-smooth),
    border-color 0.2s var(--ux-smooth),
    background 0.2s var(--ux-smooth),
    color 0.2s var(--ux-smooth);
}

.ux-chip:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.2);
  color: #d8e0ed;
}

.ux-chip.active {
  color: #041005;
  border-color: rgba(var(--accent-rgb), 0.6);
  background: rgba(var(--accent-rgb), 0.92);
}

/* Command palette */
.ux-cmdk-backdrop {
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
}

.ux-cmdk-backdrop.open {
  display: flex;
}

.ux-cmdk {
  width: min(720px, calc(100vw - 24px));
  border: 1px solid rgba(var(--accent-rgb), 0.26);
  border-radius: 16px;
  background: rgba(8, 8, 13, 0.96);
  box-shadow:
    0 28px 80px rgba(0, 0, 0, 0.75),
    0 0 42px rgba(var(--accent-rgb), 0.1);
  overflow: hidden;
}

.ux-cmdk-input {
  width: 100%;
  border: none;
  outline: none;
  background: rgba(255, 255, 255, 0.03);
  color: #e4e8ee;
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ux-cmdk-list {
  max-height: min(52vh, 420px);
  overflow: auto;
  padding: 8px;
  display: grid;
  gap: 4px;
}

.ux-cmdk-item {
  width: 100%;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: #b7c0cf;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-align: left;
}

.ux-cmdk-item.active,
.ux-cmdk-item:hover {
  background: rgba(var(--accent-rgb), 0.14);
  color: #eef4ff;
}

.ux-cmdk-sub {
  display: block;
  margin-top: 3px;
  font-size: 9px;
  letter-spacing: 0.05em;
  color: #7f8998;
}

/* First-run coach tips */
.ux-tip {
  position: fixed;
  z-index: 12500;
  width: min(320px, calc(100vw - 24px));
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  border-radius: 14px;
  background: rgba(8, 8, 13, 0.96);
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.72);
  padding: 12px 12px 10px;
}

.ux-tip-title {
  font-size: 11px;
  color: #dbe2ee;
  margin-bottom: 6px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ux-tip-body {
  font-size: 11px;
  color: #98a3b4;
  line-height: 1.5;
}

.ux-tip-actions {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.ux-tip-btn {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.04);
  color: #b7c0cf;
  font-family: var(--font-mono);
  font-size: 10px;
}

.ux-tip-btn.primary {
  color: #051106;
  background: rgba(var(--accent-rgb), 0.92);
  border-color: rgba(var(--accent-rgb), 0.75);
}

/* First-run walkthrough prompt + guided tour */
.ux-walk-prompt {
  position: fixed;
  inset: 0;
  z-index: 12600;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s var(--ux-smooth);
}

.ux-walk-prompt.open {
  opacity: 1;
  pointer-events: auto;
}

.ux-walk-prompt-card,
.ux-walk-card {
  width: min(420px, calc(100vw - 24px));
  border-radius: 16px;
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  background: rgba(8, 8, 12, 0.96);
  box-shadow:
    0 28px 80px rgba(0, 0, 0, 0.78),
    0 0 34px rgba(var(--accent-rgb), 0.1);
  padding: 14px 14px 12px;
}

.ux-walk-kicker {
  font-size: 9px;
  letter-spacing: 0.08em;
  color: #8f99a8;
  margin-bottom: 8px;
}

.ux-walk-title {
  font-size: 16px;
  color: #eef2f8;
  letter-spacing: 0.01em;
}

.ux-walk-body {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.55;
  color: #98a3b4;
}

.ux-walk-progress {
  margin-top: 10px;
  font-size: 10px;
  color: #7d8899;
  letter-spacing: 0.04em;
}

.ux-walk-actions {
  margin-top: 12px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.ux-page-coach {
  position: fixed;
  inset: 0;
  z-index: 12640;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.1s var(--ux-smooth);
}

.ux-page-coach.open {
  opacity: 1;
}

.ux-page-coach-layer {
  position: absolute;
  inset: 0;
}

.ux-page-pin {
  position: fixed;
  z-index: 2;
  min-width: 180px;
  max-width: min(280px, calc(100vw - 16px));
  border-radius: 10px;
  border: 1px solid rgba(var(--accent-rgb), 0.4);
  background: rgba(8, 10, 14, 0.92);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.36), 0 0 20px rgba(var(--accent-rgb), 0.08);
  padding: 9px 10px;
  pointer-events: auto;
  transition: opacity 0.1s var(--ux-smooth), transform 0.1s var(--ux-smooth);
}

.ux-page-pin.dismiss {
  opacity: 0;
  transform: scale(0.96);
}

.ux-page-pin-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: #edf2fb;
}

.ux-page-pin-text {
  margin-top: 4px;
  font-size: 11px;
  line-height: 1.35;
  color: #b1bccd;
}

.ux-coach-target {
  position: relative;
  z-index: 12641 !important;
  isolation: isolate;
  outline: 2px solid rgba(var(--accent-rgb), 0.55);
  outline-offset: 2px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.16), 0 0 20px rgba(var(--accent-rgb), 0.12);
}

/* Home icon drag + pin menu */
.app-icon.dragging {
  opacity: 0.55;
  transform: scale(0.96);
}

.app-icon.drag-over .icon-tile {
  border-color: rgba(var(--accent-rgb), 0.7) !important;
  box-shadow: 0 0 0 2px rgba(var(--accent-rgb), 0.2);
}

.ux-icon-menu {
  position: fixed;
  z-index: 12100;
  min-width: 170px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(9, 9, 14, 0.97);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.76);
  padding: 5px;
  display: none;
}

.ux-icon-menu.open {
  display: block;
}

.ux-icon-menu button {
  width: 100%;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: #b7c0cf;
  text-align: left;
  padding: 8px 9px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
}

.ux-icon-menu button:hover {
  background: rgba(var(--accent-rgb), 0.14);
  color: #eef4ff;
}

/* Skeleton and empty/error states */
.ux-empty-state,
.ux-error-state {
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 18px 14px;
  color: #8e98a8;
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-align: center;
}

.ux-error-state {
  color: #f59b9b;
  border-color: rgba(245, 155, 155, 0.25);
}

.ux-skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
}

.ux-skeleton-card {
  height: 158px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.03) 0%,
      rgba(255, 255, 255, 0.08) 48%,
      rgba(255, 255, 255, 0.03) 100%
    );
  background-size: 200% 100%;
  animation: uxShimmer 1.25s linear infinite;
}

.ux-browser-skeleton {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(3, 3, 7, 0.6);
  z-index: 5;
  pointer-events: none;
}

.ux-browser-skeleton.show {
  display: flex;
}

.ux-browser-skeleton .ux-skeleton-card {
  width: min(420px, 85vw);
  height: 120px;
}

@keyframes uxShimmer {
  to {
    background-position: -200% 0;
  }
}

/* Toast actions */
.toast {
  gap: 8px !important;
  align-items: center;
}

.toast-main {
  flex: 1;
  min-width: 0;
}

.toast-actions {
  display: inline-flex;
  gap: 6px;
}

.toast-actions button {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: inherit;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.05em;
  padding: 4px 7px;
}

.toast-actions button:hover {
  background: rgba(var(--accent-rgb), 0.18);
}

/* Taskbar status indicators */
.ux-statusbar {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 4px;
  margin-right: 2px;
}

.ux-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
  color: #8f99aa;
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ux-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #777;
}

.ux-status-pill.ok .ux-status-dot {
  background: #7ee787;
}

.ux-status-pill.warn .ux-status-dot {
  background: #f2cc60;
}

.ux-status-pill.bad .ux-status-dot {
  background: #f87171;
}

.ux-status-pill.active .ux-status-dot {
  background: var(--accent);
  box-shadow: 0 0 8px rgba(var(--accent-rgb), 0.7);
}

/* Mobile: bottom-sheet behavior */
@media (max-width: 900px) {
  input,
  textarea,
  select {
    font-size: 16px !important;
  }

  #screen-home {
    justify-content: flex-start;
    padding-top: 28px;
    padding-bottom: calc(120px + env(safe-area-inset-bottom));
  }

  .app-grid {
    width: min(100%, 336px);
    grid-template-columns: repeat(3, minmax(78px, 1fr));
    gap: 10px;
  }

  #screen-settings {
    justify-content: flex-end !important;
    padding: 0 0 calc(52px + env(safe-area-inset-bottom)) !important;
  }

  #screen-settings .settings-inner {
    width: 100% !important;
    max-height: 82dvh;
    overflow: auto;
    border-radius: 16px 16px 0 0;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-bottom: none;
    background: rgba(6, 7, 11, 0.97);
    padding: 18px 12px 16px;
  }

  .bg-options {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cloak-presets {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .music-ctx-menu.open,
  .ux-icon-menu.open {
    left: 12px !important;
    right: 12px !important;
    top: auto !important;
    bottom: calc(62px + env(safe-area-inset-bottom)) !important;
    transform: none !important;
    max-height: 44dvh;
    overflow: auto;
    border-radius: 14px;
  }

  #screen-music {
    padding-bottom: 96px !important;
  }

  .music-playbar {
    position: fixed !important;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 230;
    padding-bottom: env(safe-area-inset-bottom);
  }

  .ux-cmdk-backdrop {
    padding-top: 16px;
    align-items: flex-start;
  }

  .ux-cmdk {
    width: calc(100vw - 16px);
  }
}