:root {
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);

  --bg-black: #000;
  --text-white: #fff;

  --glass-dark: rgba(0, 0, 0, 0.44);
  --glass-light: rgba(255,255,255,0.10);
  --glass-light-2: rgba(255,255,255,0.12);
  --glass-light-3: rgba(255,255,255,0.14);
  --glass-border: 1px solid rgba(255,255,255,0.12);

  --glass-pill-radius: 999px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  --blur-sm: blur(8px);
  --blur-md: blur(10px);
  --blur-lg: blur(12px);
  --blur-xl: blur(16px);

  --shadow-soft: 0 2px 16px rgba(0,0,0,0.30);
  --shadow-toast: 0 8px 24px rgba(0,0,0,0.28);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg-black);
  color: var(--text-white);
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

body,
.app {
  position: fixed;
  inset: 0;
}

.app {
  background: var(--bg-black);
  overflow: hidden;
}

video,
.gallery-card-img {
  width: 100%;
  height: 100%;
  display: block;
}

video {
  position: absolute;
  inset: 0;
  object-fit: cover;
  background: var(--bg-black);
}

/* utilities */
.hidden {
  display: none !important;
}

.fullscreen-layer {
  position: absolute;
  inset: 0;
}

.screen-shell {
  color: var(--text-white);
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.glass-pill {
  color: var(--text-white);
  border-radius: var(--glass-pill-radius);
  background: var(--glass-dark);
  border: var(--glass-border);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
}

.glass-pill-lite {
  color: var(--text-white);
  border-radius: var(--glass-pill-radius);
  border: 1px solid rgba(255,255,255,0.14);
  background: var(--glass-light);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
}

.glass-btn {
  border: 0;
  padding: 0;
  background: var(--glass-light-3);
  color: var(--text-white);
  backdrop-filter: var(--blur-xl);
  -webkit-backdrop-filter: var(--blur-xl);
  box-shadow: var(--shadow-soft);
}

.field-input {
  width: 100%;
  border: var(--glass-border);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  color: var(--text-white);
  font: inherit;
}

/* login */
.auth-screen {
  position: fixed;
  inset: 0;
  justify-content: center;
  align-items: center;
  background:
    radial-gradient(circle at 50% 18%, rgba(255,255,255,0.08), transparent 26%),
    radial-gradient(circle at top, rgba(50, 50, 50, 0.28), transparent 40%),
    #000;
  padding: 24px;
}

.auth-brand {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}

.auth-brand::before {
  content: "";
  position: absolute;
  width: 140px;
  height: 140px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255,255,255,0.08), transparent 70%);
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 0;
}

.auth-brand-icon {
  width: 96px;
  height: 96px;
  object-fit: contain;
  display: block;
  filter:
    drop-shadow(0 10px 30px rgba(0,0,0,0.5))
    drop-shadow(0 0 18px rgba(255,255,255,0.12));
  position: relative;
  z-index: 1;
}

.auth-brand-text {
  font-size: 34px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  color: var(--text-white);
}

.auth-card {
  width: min(100%, 380px);
  background: rgba(18, 18, 18, 0.78);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow:
    0 18px 40px rgba(0,0,0,0.35),
    inset 0 1px 0 rgba(255,255,255,0.05);
  backdrop-filter: var(--blur-xl);
  -webkit-backdrop-filter: var(--blur-xl);
}

.auth-card h1 {
  margin: 0 0 8px;
  font-size: 28px;
}

.auth-subtitle {
  margin: 0 0 18px;
  color: rgba(255,255,255,0.72);
  line-height: 1.4;
}

.auth-form {
  display: grid;
  gap: 12px;
}

.auth-form label,
.settings-field {
  display: grid;
  gap: 6px;
}

.auth-form span {
  font-size: 12px;
  color: rgba(255,255,255,0.68);
  letter-spacing: 0.02em;
}

.auth-form .field-input {
  padding: 14px;
  outline: none;
}

.auth-form .field-input:focus {
  background: var(--glass-light);
  border-color: rgba(255,255,255,0.18);
}

.auth-submit,
.settings-primary,
.settings-danger {
  appearance: none;
  border: 0;
  border-radius: var(--radius-md);
  font: inherit;
}

.auth-submit {
  padding: 13px 14px;
  font-weight: 700;
  background: #fff;
  color: #000;
}

.auth-message {
  min-height: 18px;
  font-size: 13px;
  text-align: center;
  color: rgba(255,255,255,0.82);
}

/* camera top bar */
.top-bar {
  position: absolute;
  top: calc(8px + var(--safe-top));
  left: calc(10px + var(--safe-left));
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 10;
  pointer-events: none;
}

.pill {
  width: auto;
  min-width: 0;
  max-width: none;
  line-height: 1;
  white-space: nowrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 28px;
  padding: 0 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.pill-icon {
  width: 13px;
  height: 13px;
  flex: 0 0 auto;
  opacity: 0.9;
}

.pill-text {
  max-width: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pill.syncing {
  animation: pillPulse 1.15s ease-in-out infinite;
}

@keyframes pillPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.06); }
  100% { transform: scale(1); }
}

.camera-switch-hud {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(122px + var(--safe-bottom));
  display: flex;
  justify-content: center;
  pointer-events: none;
  z-index: 19;
}

.camera-name-pill {
  min-height: 30px;
  max-width: min(72vw, 320px);
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.88);
  background: rgba(20,20,20,0.28);
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 2px 10px rgba(0,0,0,0.18);
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
}

.camera-name-pill.visible {
  opacity: 1;
  transform: translateY(0);
}

.camera-name-pill-text {
  display: block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* bottom bar */
.bottom-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(18px + var(--safe-bottom));
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  z-index: 20;
  padding: 0;
}

.gallery-launch,
.bottom-icon-btn {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
}

.bottom-icon-btn svg,
.gallery-launch-icon {
  width: 24px;
  height: 24px;
  display: block;
}

.gallery-launch-thumb {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--glass-light);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.gallery-launch-thumb.has-image .gallery-launch-icon {
  display: none;
}

.gallery-launch-icon {
  opacity: 0.9;
}

.shutter {
  width: 90px;
  height: 90px;
  justify-self: center;
  border-radius: 50%;
  border: 4px solid rgba(255,255,255,0.96);
  background: rgba(255,255,255,0.12);
  display: grid;
  place-items: center;
  padding: 0;
  cursor: pointer;
  box-shadow: 0 2px 16px rgba(0,0,0,0.35);
}

.shutter:disabled {
  opacity: 0.45;
}

.shutter-inner {
  width: 66px;
  height: 66px;
  border-radius: 50%;
  background: #ffffff;
  display: block;
  transition: transform 0.08s ease;
}

.shutter:active .shutter-inner {
  transform: scale(0.92);
}

/* toast */
.toast {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(150px + var(--safe-bottom));
  z-index: 30;
  max-width: min(92vw, 420px);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(20,20,20,0.82);
  color: var(--text-white);
  font-size: 14px;
  line-height: 1.35;
  text-align: center;
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  box-shadow: var(--shadow-toast);
}

/* settings */
.settings-overlay {
  z-index: 39;
  background: rgba(0, 0, 0, 0.45);
}

.settings-sheet {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  background: rgba(28, 28, 30, 0.42);
  backdrop-filter: blur(24px) saturate(1.35);
  -webkit-backdrop-filter: blur(24px) saturate(1.35);
  border-top: 1px solid rgba(255,255,255,0.20);
  box-shadow:
    0 -12px 32px rgba(0,0,0,0.28),
    inset 0 1px 0 rgba(255,255,255,0.10);
  max-height: min(78vh, 620px);
  overflow: hidden;
  will-change: transform;
  transform: translateY(0);
  transition: transform 0.22s ease;
}

.settings-sheet.dragging {
  transition: none;
}

.settings-sheet-top {
  flex: 0 0 auto;
  padding:
    10px
    calc(16px + var(--safe-right))
    0
    calc(16px + var(--safe-left));
}

.settings-content {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  display: grid;
  gap: 14px;
  padding:
    0
    calc(16px + var(--safe-right))
    calc(20px + var(--safe-bottom))
    calc(16px + var(--safe-left));
}

.settings-handle-hitbox {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 28px;
  margin: -6px -8px 6px;
  cursor: grab;
  touch-action: none;
}

.settings-handle-hitbox:active,
.settings-handle:active {
  cursor: grabbing;
}

.settings-handle {
  width: 42px;
  height: 5px;
  border-radius: 999px;
  background: rgba(255,255,255,0.22);
  pointer-events: none;
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.settings-header h2 {
  margin: 0;
  font-size: 20px;
}

.settings-group {
  display: grid;
  gap: 12px;
  background: rgba(255,255,255,0.07);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.settings-row.stack {
  display: grid;
  justify-content: stretch;
}

.settings-toggle-row {
  cursor: pointer;
}

.settings-switch {
  position: relative;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
}

.settings-switch input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
  pointer-events: none;
}

.settings-switch-ui {
  position: relative;
  width: 52px;
  height: 32px;
  border-radius: 999px;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.14);
  transition: background 0.18s ease, border-color 0.18s ease;
}

.settings-switch-ui::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.22);
  transition: transform 0.18s ease;
}

.settings-switch input:checked + .settings-switch-ui {
  background: rgba(80, 200, 120, 0.92);
  border-color: rgba(80, 200, 120, 0.98);
}

.settings-switch input:checked + .settings-switch-ui::after {
  transform: translateX(20px);
}

.settings-label,
.settings-field span {
  font-size: 14px;
  color: rgba(255,255,255,0.72);
}

.settings-value {
  font-size: 15px;
  font-weight: 600;
  text-align: right;
  word-break: break-word;
}

.settings-value-left {
  text-align: left;
  font-weight: 500;
  color: rgba(255,255,255,0.82);
}

.settings-actions {
  display: flex;
  justify-content: center;
}

.settings-field .field-input {
  padding: 13px 14px;
}

.settings-primary,
.settings-danger,
.settings-secondary {
  padding: 12px 14px;
  font: inherit;
  font-weight: 600;
}

.settings-primary {
  background: #fff;
  color: #000;
}

.settings-secondary {
  background: var(--glass-light);
  border: 1px solid rgba(255,255,255,0.14);
  color: var(--text-white);
  border-radius: var(--glass-pill-radius);
}

.settings-danger {
  width: 100%;
  background: rgba(255,80,80,0.38);
  color: var(--text-white);
  border: 1px solid rgba(255,80,80,0.44);
}

.settings-select {
  padding: 13px 14px;
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255,255,255,0.06);
  color: var(--text-white);
}

.settings-select option {
  color: #000;
}

.danger-group {
  background: transparent;
  border: 0;
  padding: 0;
  box-shadow: none;
}

/* gallery */
.gallery-overlay {
  z-index: 41;
  background: rgba(0, 0, 0, 0.55);
}

.gallery-screen {
  position: absolute;
  inset: 0;
  z-index: 42;
  background: rgba(10, 10, 12, 0.96);
  padding:
    max(18px, var(--safe-top))
    calc(16px + var(--safe-right))
    calc(16px + var(--safe-bottom))
    calc(16px + var(--safe-left));
}

.gallery-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 14px;
  flex: 0 0 auto;
}

.gallery-header-text {
  min-width: 0;
}

.gallery-header-text h2 {
  margin: 0;
  font-size: 22px;
}

.gallery-subtitle {
  margin-top: 3px;
  font-size: 14px;
  color: rgba(255,255,255,0.72);
}

.nav-pill {
  appearance: none;
  height: 40px;
  min-width: 72px;
  padding: 0 16px;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.nav-pill:active {
  transform: scale(0.98);
}

.gallery-empty {
  padding: 24px 4px;
  color: rgba(255,255,255,0.78);
}

.gallery-grid {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  align-content: start;
  align-items: start;
}

.gallery-card {
  position: relative;
  width: 100%;
  min-width: 0;
}

.gallery-card::before {
  content: "";
  display: block;
  padding-top: 100%;
}

.gallery-card-btn {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  padding: 0;
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255,255,255,0.08);
  display: block;
  appearance: none;
  -webkit-appearance: none;
}

.gallery-card-badge {
  position: absolute;
  left: 6px;
  right: 6px;
  bottom: 6px;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.46);
  color: var(--text-white);
  font-size: 11px;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
}

/* photo viewer */
.photo-viewer {
  position: absolute;
  inset: 0;
  z-index: 43;
  background: rgba(0,0,0,0.96);
  padding:
    max(16px, var(--safe-top))
    calc(16px + var(--safe-right))
    calc(16px + var(--safe-bottom))
    calc(16px + var(--safe-left));
}

.photo-viewer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  flex: 0 0 auto;
}

.photo-viewer-body {
  flex: 1 1 auto;
  min-height: 0;
}

.photo-viewer-stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  touch-action: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-viewer-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  transform-origin: center center;
  will-change: transform;
  user-select: none;
  -webkit-user-drag: none;
}

.photo-viewer-meta {
  margin-top: 12px;
  color: rgba(255,255,255,0.78);
  font-size: 14px;
  line-height: 1.35;
}

.photo-viewer-download {
  appearance: none;
  border: 0;
  text-decoration: none;
  padding: 10px 14px;
  font-weight: 600;
}

/* state colors */
.pill.good {
  background: rgba(80, 200, 120, 0.18);
  border-color: rgba(80, 200, 120, 0.6);
  color: rgb(120, 255, 170);
}

.pill.warn {
  background: rgba(255, 180, 0, 0.18);
  border-color: rgba(255, 180, 0, 0.6);
  color: rgb(255, 210, 120);
}

.pill.bad {
  background: rgba(255, 80, 80, 0.18);
  border-color: rgba(255, 80, 80, 0.6);
  color: rgb(255, 140, 140);
}

@media (max-width: 380px) {
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (orientation: landscape) {
  .bottom-bar {
    position: absolute;
    top: 12px;
    bottom: 12px;
    right: calc(14px + var(--safe-right));
    left: auto;
    width: 88px;
    padding: 0;
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    justify-content: space-evenly;
    z-index: 20;
  }

  .camera-switch-hud {
    left: auto;
    right: calc(108px + var(--safe-right));
    top: 50%;
    bottom: auto;
    width: 160px;
    transform: translateY(-50%);
    justify-content: center;
  }
}