options.css

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --surface2: #242424;
  --surface3: #2e2e2e;
  --border: rgba(255,255,255,0.08);
  --red: #ff0000;
  --red-dim: rgba(255,0,0,0.1);
  --text: #f1f1f1;
  --muted: #909090;
  --muted2: #606060;
  --radius: 12px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "YouTube Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.page {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* Header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.4px;
}

.logo-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 1px;
}

.save-status {
  font-size: 12px;
  color: #4caf50;
  font-weight: 600;
  background: rgba(76,175,80,0.12);
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid rgba(76,175,80,0.2);
  transition: opacity 0.3s;
}

.save-status.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Content */
.content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Sections */
.section {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}

.section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted);
  padding: 14px 18px 10px;
  border-bottom: 1px solid var(--border);
}

.section-desc {
  font-size: 13px;
  color: var(--muted);
  padding: 10px 18px 0;
  line-height: 1.5;
}

/* Fields */
.field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.field:last-child {
  border-bottom: none;
}

.field-label {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.field-label span:first-child {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.field-desc {
  font-size: 12px;
  color: var(--muted) !important;
  font-weight: 400 !important;
}

/* Toggle switch */
.toggle {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 24px;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--surface3);
  border-radius: 34px;
  transition: background 0.2s;
  border: 1px solid var(--border);
}

.slider::before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 2px;
  bottom: 2px;
  background: var(--muted);
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
}

.toggle input:checked + .slider {
  background: var(--red);
  border-color: var(--red);
}

.toggle input:checked + .slider::before {
  transform: translateX(18px);
  background: #fff;
}

/* Range slider */
.slider-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 130px;
  height: 4px;
  background: var(--surface3);
  border-radius: 4px;
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--red);
  cursor: pointer;
  transition: transform 0.15s;
  box-shadow: 0 0 0 3px rgba(255,0,0,0.15);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--red);
  cursor: pointer;
  border: none;
}

.slider-val {
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  min-width: 28px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Textarea */
textarea {
  display: block;
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  padding: 12px 14px;
  resize: vertical;
  outline: none;
  line-height: 1.6;
  margin: 10px 18px 14px;
  width: calc(100% - 36px);
  transition: border-color 0.15s;
}

textarea:focus {
  border-color: rgba(255,255,255,0.2);
}

textarea::placeholder {
  color: var(--muted2);
}

/* Storage info */
.storage-info {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.storage-label {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
}

.storage-bar-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.storage-bar {
  flex: 1;
  height: 6px;
  background: var(--surface3);
  border-radius: 6px;
  overflow: hidden;
}

.storage-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--red), #ff6b6b);
  border-radius: 6px;
  transition: width 0.4s ease;
}

.storage-text {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  min-width: 80px;
  text-align: right;
}

/* Data action buttons */
.data-actions {
  display: flex;
  gap: 8px;
  padding: 14px 18px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, transform 0.1s, border-color 0.15s;
}

.btn:active {
  transform: translateY(1px);
}

.btn-ghost {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--surface3);
  border-color: rgba(255,255,255,0.15);
}

.btn-danger {
  background: rgba(255,68,68,0.1);
  color: #ff4444;
  border: 1px solid rgba(255,68,68,0.2);
}

.btn-danger:hover {
  background: rgba(255,68,68,0.18);
  border-color: rgba(255,68,68,0.35);
}

/* Toast */
.options-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: rgba(20,20,20,0.95);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
  z-index: 100;
  transition: opacity 0.25s, transform 0.25s;
  transform: translateY(0);
}

.options-toast.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--surface3);
  border-radius: 6px;
}