/* Settings Flyout Panel */

.settings-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1000; opacity: 0; pointer-events: none; transition: opacity 0.3s; }
.settings-overlay.visible { opacity: 1; pointer-events: auto; }

.settings-panel { position: fixed; top: 0; right: 0; width: 520px; max-width: 95vw; height: 100vh; background: var(--bg-main, #0f0f23); border-left: 1px solid var(--border-default); z-index: 1001; display: flex; flex-direction: column; transform: translateX(100%); transition: transform 0.35s cubic-bezier(0.4,0,0.2,1); box-shadow: -8px 0 30px rgba(0,0,0,0.4); }
.settings-panel.visible { transform: translateX(0); }

.settings-header { display: flex; align-items: center; gap: 14px; padding: 20px 24px; border-bottom: 1px solid var(--border-default); flex-shrink: 0; }
.settings-header-avatar { width: 44px; height: 44px; border-radius: 12px; background: linear-gradient(135deg, #a855f7, #6366f1); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; color: #fff; }
.settings-header-info { flex: 1; }
.settings-header-info h3 { font-size: 16px; font-weight: 700; color: var(--text-primary); margin: 0; }
.settings-header-info p { font-size: 12px; color: var(--text-muted); margin: 2px 0 0; }
.settings-close { background: none; border: none; color: var(--text-muted); font-size: 20px; cursor: pointer; padding: 6px; border-radius: 8px; transition: background 0.2s, color 0.2s; }
.settings-close:hover { background: rgba(255,255,255,0.06); color: var(--text-primary); }

/* Tabs */
.settings-tabs { display: flex; gap: 0; padding: 0 24px; border-bottom: 1px solid var(--border-default); flex-shrink: 0; }
.settings-tab { padding: 12px 18px; font-size: 13px; font-weight: 600; color: var(--text-muted); background: none; border: none; cursor: pointer; border-bottom: 2px solid transparent; transition: color 0.2s, border-color 0.2s; }
.settings-tab:hover { color: var(--text-secondary); }
.settings-tab.active { color: #a855f7; border-bottom-color: #a855f7; }

/* Tab Content */
.settings-body { flex: 1; overflow-y: auto; padding: 24px; }
.settings-body::-webkit-scrollbar { width: 5px; }
.settings-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }

.settings-section { margin-bottom: 28px; }
.settings-section-title { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-bottom: 14px; font-weight: 600; }

/* Cards inside settings */
.settings-card { background: var(--bg-card); border: 1px solid var(--border-default); border-radius: 12px; padding: 16px 18px; margin-bottom: 10px; transition: border-color 0.2s; }
.settings-card:hover { border-color: var(--border-hover); }
.settings-card-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.settings-card-label { font-size: 14px; font-weight: 500; color: var(--text-primary); }
.settings-card-desc { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.settings-card-icon { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.settings-card-info { flex: 1; }

/* Toggle switch */
.settings-toggle { position: relative; width: 44px; height: 24px; background: rgba(255,255,255,0.1); border-radius: 12px; cursor: pointer; transition: background 0.2s; border: none; padding: 0; flex-shrink: 0; }
.settings-toggle::after { content: ''; position: absolute; top: 2px; left: 2px; width: 20px; height: 20px; background: #fff; border-radius: 50%; transition: transform 0.2s; }
.settings-toggle.active { background: #a855f7; }
.settings-toggle.active::after { transform: translateX(20px); }

/* Theme Color Picker */
.settings-colors { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.settings-color-btn { width: 36px; height: 36px; border-radius: 10px; border: 2px solid transparent; cursor: pointer; transition: transform 0.15s, border-color 0.2s; }
.settings-color-btn:hover { transform: scale(1.1); }
.settings-color-btn.active { border-color: #fff; box-shadow: 0 0 0 2px rgba(255,255,255,0.2); }

/* Font Size Slider */
.settings-slider { width: 100%; appearance: none; height: 4px; background: rgba(255,255,255,0.1); border-radius: 2px; outline: none; margin-top: 8px; }
.settings-slider::-webkit-slider-thumb { appearance: none; width: 18px; height: 18px; border-radius: 50%; background: #a855f7; cursor: pointer; }

/* Provider/System status cards */
.settings-status-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.settings-status-card { padding: 14px; background: var(--bg-card); border: 1px solid var(--border-default); border-radius: 12px; text-align: center; }
.settings-status-icon { font-size: 24px; margin-bottom: 6px; }
.settings-status-label { font-size: 12px; font-weight: 600; color: var(--text-primary); }
.settings-status-value { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.settings-status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 4px; }
.settings-status-dot.online { background: #22c55e; }
.settings-status-dot.offline { background: #ef4444; }

/* Architecture mini-view */
.settings-arch-layers { display: flex; flex-direction: column; gap: 6px; }
.settings-arch-layer { padding: 10px 14px; background: var(--bg-card); border: 1px solid var(--border-default); border-radius: 8px; display: flex; align-items: center; gap: 10px; }
.settings-arch-layer-icon { font-size: 16px; }
.settings-arch-layer-label { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.settings-arch-layer-items { font-size: 11px; color: var(--text-muted); margin-left: auto; }

/* Theme Presets Grid */
.settings-presets-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 8px; }
.settings-preset-btn { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 10px; background: none; border: 2px solid transparent; border-radius: 12px; cursor: pointer; transition: border-color 0.2s, transform 0.15s; }
.settings-preset-btn:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.1); }
.settings-preset-btn.active { border-color: var(--accent-primary, #a855f7); box-shadow: 0 0 0 1px var(--accent-primary, #a855f7); }
.settings-preset-swatch { width: 100%; aspect-ratio: 16/10; border-radius: 8px; border: 1px solid; overflow: hidden; position: relative; }
.settings-preset-accent { position: absolute; bottom: 6px; right: 6px; width: 14px; height: 14px; border-radius: 50%; }
.settings-preset-bar { position: absolute; left: 0; top: 0; bottom: 0; width: 25%; }
.settings-preset-name { font-size: 11px; font-weight: 600; color: var(--text-primary); }

/* Image Theme Result */
.settings-image-result { margin-top: 14px; padding: 16px; background: var(--bg-card); border: 1px solid var(--border-default); border-radius: 12px; }

@media (max-width: 600px) {
  .settings-panel { width: 100vw; }
  .settings-status-grid { grid-template-columns: 1fr; }
  .settings-presets-grid { grid-template-columns: repeat(2, 1fr); }
}