:root {
  color-scheme: light;
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-primary-soft: #eef2ff;
  --color-accent: #0f766e;
  --color-accent-soft: #ccfbf1;
  --color-success: #166534;
  --color-warning: #92400e;
  --color-danger: #b91c1c;
  --color-bg: #f5f7fb;
  --color-bg-elevated: rgba(255, 255, 255, 0.88);
  --color-surface: rgba(255, 255, 255, 0.78);
  --color-surface-strong: #ffffff;
  --color-surface-muted: #eef2f7;
  --color-border: rgba(100, 116, 139, 0.26);
  --color-border-strong: #cbd5e1;
  --color-text: #172033;
  --color-text-soft: #334155;
  --color-text-muted: #64748b;
  --color-text-on-primary: #ffffff;
  --shadow-sm: 0 2px 8px rgba(30, 41, 59, 0.06);
  --shadow-md: 0 12px 30px rgba(30, 41, 59, 0.1);
  --shadow-lg: 0 24px 60px rgba(30, 41, 59, 0.14);
  --focus-ring: 0 0 0 4px rgba(79, 70, 229, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --ease-standard: 180ms ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --color-primary: #818cf8;
    --color-primary-hover: #a5b4fc;
    --color-primary-soft: rgba(99, 102, 241, 0.18);
    --color-accent: #5eead4;
    --color-accent-soft: rgba(20, 184, 166, 0.16);
    --color-success: #86efac;
    --color-warning: #fcd34d;
    --color-danger: #fca5a5;
    --color-bg: #0f172a;
    --color-bg-elevated: rgba(15, 23, 42, 0.92);
    --color-surface: rgba(30, 41, 59, 0.8);
    --color-surface-strong: #1e293b;
    --color-surface-muted: #273449;
    --color-border: rgba(148, 163, 184, 0.24);
    --color-border-strong: #475569;
    --color-text: #f8fafc;
    --color-text-soft: #e2e8f0;
    --color-text-muted: #cbd5e1;
    --color-text-on-primary: #111827;
    --shadow-sm: 0 2px 10px rgba(2, 6, 23, 0.24);
    --shadow-md: 0 14px 34px rgba(2, 6, 23, 0.3);
    --shadow-lg: 0 26px 64px rgba(2, 6, 23, 0.4);
    --focus-ring: 0 0 0 4px rgba(129, 140, 248, 0.28);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  width: 100%;
  min-width: 0;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 10% 0%, rgba(99, 102, 241, 0.14), transparent 30rem),
    radial-gradient(circle at 90% 12%, rgba(20, 184, 166, 0.12), transparent 28rem),
    var(--color-bg);
  color: var(--color-text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0.01em;
  -webkit-tap-highlight-color: transparent;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a,
summary,
[role="button"] {
  -webkit-tap-highlight-color: transparent;
}

button,
a,
summary,
[role="button"],
input[type="checkbox"],
input[type="radio"] {
  cursor: pointer;
}

button,
[role="button"] {
  min-width: 44px;
  min-height: 44px;
  transition:
    transform var(--ease-standard),
    color var(--ease-standard),
    background-color var(--ease-standard),
    border-color var(--ease-standard),
    box-shadow var(--ease-standard),
    opacity var(--ease-standard);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 0;
  box-shadow: var(--focus-ring);
}

img,
video,
svg {
  display: block;
  max-width: 100%;
}

img,
video {
  height: auto;
  object-fit: contain;
  background: var(--color-surface-muted);
}

img[width][height],
video[width][height] {
  aspect-ratio: auto;
}

::selection {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
}

#app {
  min-height: 100vh;
  isolation: isolate;
}

#app header,
#bottomNav,
#nearbyTab > section:first-child,
#manualControlPanel,
#adminPanel,
.bike-card {
  border: 1px solid var(--color-border) !important;
  border-radius: var(--radius-lg) !important;
  background: var(--color-surface) !important;
  box-shadow: var(--shadow-md) !important;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

#app header {
  padding-top: max(12px, env(safe-area-inset-top)) !important;
  background: var(--color-bg-elevated) !important;
}

#app main {
  width: min(100%, 1180px);
}

#app input,
#app select,
#app textarea {
  min-height: 48px;
  border: 1px solid var(--color-border-strong) !important;
  border-radius: var(--radius-md) !important;
  background: var(--color-surface-strong) !important;
  color: var(--color-text) !important;
  font-size: 16px;
  line-height: 1.4;
  transition:
    border-color var(--ease-standard),
    box-shadow var(--ease-standard),
    background-color var(--ease-standard);
}

#app input::placeholder,
#app textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 1;
}

#app input:focus,
#app select:focus,
#app textarea:focus {
  border-color: var(--color-primary) !important;
  outline: 0;
  box-shadow: var(--focus-ring) !important;
}

#app button:not(:disabled):hover,
#app a:hover,
#app [role="button"]:hover {
  transform: translateY(-1px);
}

#app button:not(:disabled):active,
#app [role="button"]:active {
  transform: translateY(0) scale(0.98);
}

#app button:disabled {
  cursor: not-allowed;
  opacity: 0.62 !important;
}

#app .text-white,
#app .text-zinc-100,
#app .text-zinc-200,
#app .text-zinc-300 {
  color: var(--color-text) !important;
}

#app .text-zinc-400,
#app .text-zinc-500,
#app .text-zinc-600,
#app .text-slate-400,
#app .text-slate-500 {
  color: var(--color-text-muted) !important;
}

#app [class*="bg-black"],
#app [class*="bg-zinc-8"],
#app [class*="bg-zinc-9"],
#app [class*="bg-white/10"] {
  background-color: color-mix(in srgb, var(--color-surface-strong) 78%, transparent) !important;
}

#app [class~="bg-cyanbolt"],
#app [class~="bg-electric"] {
  border-color: transparent !important;
  background: var(--color-primary) !important;
  color: var(--color-text-on-primary) !important;
  box-shadow: var(--shadow-sm) !important;
}

#app [class~="bg-cyanbolt"]:hover,
#app [class~="bg-electric"]:hover {
  background: var(--color-primary-hover) !important;
}

#app [class~="bg-cyanbolt"] *,
#app [class~="bg-electric"] * {
  color: inherit !important;
  stroke: currentColor !important;
}

#app .text-cyanbolt {
  color: var(--color-accent) !important;
}

#app .text-electric {
  color: var(--color-primary) !important;
}

#adminPanel .admin-permission-badge {
  border-color: rgba(79, 70, 229, 0.28) !important;
  border-color: color-mix(in srgb, var(--color-primary) 32%, transparent) !important;
  background: var(--color-primary-soft) !important;
  color: var(--color-primary) !important;
  box-shadow: var(--shadow-sm) !important;
}

#adminPanel .admin-permission-badge .text-electric {
  color: var(--color-primary) !important;
  stroke: currentColor !important;
}

#adminPanel .auto-return-card {
  border-color: rgba(79, 70, 229, 0.24) !important;
  border-color: color-mix(in srgb, var(--color-primary) 28%, transparent) !important;
  background: var(--color-surface-strong) !important;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--color-primary-soft) 82%, transparent), transparent 72%),
    var(--color-surface-strong) !important;
  color: var(--color-text) !important;
  box-shadow: var(--shadow-sm) !important;
}

#adminPanel .auto-return-card p,
#adminPanel .auto-return-card label,
#adminPanel .auto-return-card span {
  color: var(--color-text-soft) !important;
}

#adminPanel .auto-return-card > div:first-child p:first-child {
  color: var(--color-text) !important;
}

#adminPanel .auto-return-card .auto-return-input {
  border-color: var(--color-border-strong) !important;
  background: var(--color-surface-strong) !important;
  color: var(--color-text) !important;
  caret-color: var(--color-primary);
  -webkit-text-fill-color: var(--color-text);
  opacity: 1;
}

#adminPanel .auto-return-card .auto-return-input:focus {
  border-color: var(--color-primary) !important;
  box-shadow: var(--focus-ring) !important;
}

#adminPanel .auto-return-card .auto-return-save {
  background: var(--color-primary) !important;
  color: var(--color-text-on-primary) !important;
  -webkit-text-fill-color: var(--color-text-on-primary);
}

#adminPanel .auto-return-card .auto-return-save:hover {
  background: var(--color-primary-hover) !important;
}

#adminPanel .auto-return-card .auto-return-save:disabled {
  background: #7772dc !important;
  background: color-mix(in srgb, var(--color-primary) 72%, var(--color-surface-strong)) !important;
  color: var(--color-text-on-primary) !important;
  opacity: 0.72 !important;
}

#adminPanel .auto-return-card #autoReturnCountdown {
  color: var(--color-accent) !important;
}

#adminPanel button:disabled[class*="text-red"] {
  border-color: rgba(185, 28, 28, 0.24) !important;
  border-color: color-mix(in srgb, var(--color-danger) 24%, transparent) !important;
  background: #fff5f5 !important;
  background: color-mix(in srgb, var(--color-danger) 8%, var(--color-surface-strong)) !important;
  color: var(--color-danger) !important;
}

#adminPanel button:disabled[class*="text-amber"] {
  border-color: rgba(146, 64, 14, 0.24) !important;
  border-color: color-mix(in srgb, var(--color-warning) 24%, transparent) !important;
  background: #fffaf0 !important;
  background: color-mix(in srgb, var(--color-warning) 8%, var(--color-surface-strong)) !important;
  color: var(--color-warning) !important;
}

#locationTabs {
  scrollbar-width: none;
}

#locationTabs::-webkit-scrollbar {
  display: none;
}

#locationTabs button {
  min-width: 88px;
  flex: 1 0 88px;
  border: 1px solid var(--color-border) !important;
  background: var(--color-surface) !important;
  color: var(--color-text-soft) !important;
}

#locationTabs button[class*="bg-electric"] {
  border-color: var(--color-primary) !important;
  background: var(--color-primary) !important;
  color: var(--color-text-on-primary) !important;
}

.bike-card {
  overflow: hidden;
  min-width: 0;
  animation: enter-card 360ms ease both;
}

.battery-fill {
  transition: width 360ms ease, background-color 360ms ease;
}

[data-page-tab] {
  min-width: 0;
  animation: enter-card 280ms ease both;
}

#bottomNav {
  z-index: 40;
}

#toast {
  z-index: 100;
  max-width: min(420px, calc(100vw - 32px));
}

[role="dialog"],
.modal,
.dropdown-menu,
[data-menu] {
  z-index: 80;
}

.skeleton,
[aria-busy="true"] {
  background:
    linear-gradient(
      100deg,
      color-mix(in srgb, var(--color-surface-muted) 82%, transparent) 25%,
      color-mix(in srgb, var(--color-surface-strong) 90%, transparent) 37%,
      color-mix(in srgb, var(--color-surface-muted) 82%, transparent) 63%
    );
  background-size: 400% 100%;
  animation: skeleton-loading 1.4s ease infinite;
}

@keyframes enter-card {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes skeleton-loading {
  from {
    background-position: 100% 0;
  }

  to {
    background-position: -100% 0;
  }
}

.token-refresh-progress.is-indeterminate {
  animation: token-refresh-indeterminate 1.1s ease-in-out infinite;
}

@keyframes token-refresh-indeterminate {
  from {
    transform: translateX(-120%);
  }

  to {
    transform: translateX(320%);
  }
}

@media (max-width: 768px) {
  #app header {
    padding-right: 12px !important;
    padding-bottom: 12px !important;
    padding-left: 12px !important;
  }

  #app main {
    padding-right: 12px !important;
    padding-bottom: calc(108px + env(safe-area-inset-bottom)) !important;
    padding-left: 12px !important;
  }

  #nearbyTab > section:first-child,
  #manualControlPanel,
  #adminPanel {
    padding: 16px !important;
    border-radius: var(--radius-xl) !important;
  }

  #locationTabs {
    width: 100%;
    gap: 6px;
    overflow-x: auto;
  }

  #locationTabs button {
    min-width: 76px;
    flex: 1 1 25%;
    padding-right: 8px !important;
    padding-left: 8px !important;
    white-space: nowrap;
  }

  .bike-card {
    padding: 14px !important;
    border-radius: var(--radius-xl) !important;
  }

  #bottomNav {
    bottom: max(8px, env(safe-area-inset-bottom));
    width: calc(100% - 16px);
    height: 72px;
    border-radius: var(--radius-xl) !important;
    padding: 6px 4px !important;
  }

  #bottomNav .page-tab-button {
    min-width: 0;
    flex: 1;
    padding-right: 8px !important;
    padding-left: 8px !important;
  }

  #toast {
    bottom: calc(92px + env(safe-area-inset-bottom));
  }
}

@media (min-width: 768px) {
  #bikeList {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  #bottomNav {
    top: 88px;
    bottom: auto;
    width: auto;
    min-width: 420px;
    border-radius: var(--radius-md) !important;
    padding: 8px;
  }
}

@media (min-width: 1200px) {
  #bikeList {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}