:root {
    --glass-bg: rgba(10, 10, 12, 0.85);
    --glass-border: rgba(255, 255, 255, 0.08);
    --accent: #3b82f6;
    --success: #4ade80;
    --warning: #facc15;
    --danger: #ef4444;
    --text-main: #ffffff;
    --text-muted: #a1a1aa;
    --radius: 6px;
}

body { font-family: 'Inter', sans-serif; margin: 0; overflow: hidden; background: #000; }

#ui-layer { position: absolute; inset: 0; z-index: 2000; pointer-events: none; padding: 20px; }
#ui-layer > * { pointer-events: auto; }

/* SIDEBAR */
.sidebar {
    position: absolute; left: 20px; top: 50%; transform: translateY(-50%);
    display: flex; flex-direction: column; gap: 10px; padding: 10px;
    background: rgba(9, 9, 11, 0.9); backdrop-filter: blur(12px);
    border: 1px solid #27272a; border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.sidebar-divider { height: 1px; width: 100%; background: #27272a; margin: 2px 0; }

.icon-btn {
    width: 40px; height: 40px; border-radius: 8px; border: 1px solid transparent;
    background: transparent; color: #71717a; font-size: 20px; cursor: pointer;
    display: flex; align-items: center; justify-content: center; transition: 0.2s; position: relative;
}
.icon-btn:hover { background: #18181b; color: white; border-color: #27272a; }
.icon-btn.active { background: rgba(59, 130, 246, 0.1); color: var(--accent); border-color: rgba(59, 130, 246, 0.3); }
.icon-btn.accent { color: var(--success); }
.icon-btn.danger:hover { color: var(--danger); background: rgba(239, 68, 68, 0.1); border-color: rgba(239, 68, 68, 0.3); }

.icon-btn::after {
    content: attr(title); position: absolute; left: 55px; top: 50%; transform: translateY(-50%);
    background: #09090b; padding: 4px 8px; border-radius: 4px; border: 1px solid #27272a;
    font-size: 11px; opacity: 0; pointer-events: none; transition: 0.2s; color: white; white-space: nowrap; z-index: 3000;
}
.icon-btn:hover::after { opacity: 1; left: 50px; }

/* FLYOUT MENUS */
.flyout-menu {
    position: absolute; left: 80px; top: 20px; bottom: 20px; width: 260px;
    background: rgba(9, 9, 11, 0.95); backdrop-filter: blur(12px);
    border: 1px solid #27272a; border-radius: 12px;
    display: flex; flex-direction: column; opacity: 1; transform: translateX(0); transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.flyout-menu.hidden { opacity: 0; transform: translateX(-10px); pointer-events: none; }
.flyout-header { padding: 14px; font-size: 11px; font-weight: 700; color: #71717a; text-transform: uppercase; border-bottom: 1px solid #27272a; letter-spacing: 1px; }
.flyout-content { padding: 8px; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; }

.menu-row {
    display: flex; align-items: center; gap: 10px; padding: 8px 10px;
    border-radius: 6px; cursor: pointer; color: #e4e4e7; border: 1px solid transparent; transition: 0.15s;
}
.menu-row:hover { background: #18181b; border-color: #27272a; }
.menu-row-text { flex: 1; font-size: 13px; font-weight: 500; }
.menu-row-del {
    width: 24px; height: 24px; display: flex; align-items: center; justify-content: center;
    border: none; background: transparent; color: #52525b; border-radius: 4px; cursor: pointer;
}
.menu-row-del:hover { background: rgba(239, 68, 68, 0.1); color: var(--danger); }

/* TRACKING */
.tracking-menu-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; min-width: 240px; }
.tracking-menu-item {
    background: #18181b; border: 1px solid #27272a; border-radius: 6px;
    padding: 8px; display: flex; flex-direction: column; align-items: center; gap: 4px;
    cursor: pointer; transition: 0.2s; color: white;
}
.tracking-menu-item:hover { border-color: var(--accent); background: #202025; }
.tracking-icon-preview svg { width: 28px; height: 28px; filter: drop-shadow(0 0 5px rgba(255,255,255,0.2)); }

/* TOASTS */
#toast-container { position: fixed; top: 20px; right: 20px; display: flex; flex-direction: column; align-items: flex-end; gap: 8px; z-index: 9999; pointer-events: none; }
.neo-toast {
    background: rgba(15, 15, 17, 0.9); backdrop-filter: blur(8px);
    border: 1px solid #27272a; border-left: 3px solid var(--accent);
    padding: 10px 16px; border-radius: 4px; color: white;
    font-size: 13px; font-weight: 500; display: flex; align-items: center; gap: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5); min-width: 200px;
    opacity: 0; transform: translateX(20px); animation: toastIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    pointer-events: auto;
}
.neo-toast.success { border-left-color: var(--success); }
.neo-toast.warning { border-left-color: var(--warning); }
.neo-toast.danger { border-left-color: var(--danger); }
.neo-toast i { font-size: 16px; color: #a1a1aa; }
.neo-toast.success i { color: var(--success); }
.neo-toast.warning i { color: var(--warning); }
.neo-toast.danger i { color: var(--danger); }
@keyframes toastIn { to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { to { opacity: 0; transform: translateX(10px); } }

/* COMMON */
.prop-popup { min-width: 180px; color: #ddd; font-family: 'Inter', sans-serif; }
.prop-header { text-align: center; font-weight: 600; margin-bottom: 8px; color: white; border-bottom: 1px solid #333; padding-bottom: 4px; font-size: 12px; text-transform: uppercase; }
.prop-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; font-size: 11px; }
.prop-row input[type="range"] { width: 60%; cursor: pointer; accent-color: var(--accent); }
.prop-val { font-family: 'JetBrains Mono', monospace; color: var(--accent); width: 30px; text-align: right; }

.modal-backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.8); backdrop-filter: blur(4px); z-index: 5000; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: 0.2s; }
.modal-backdrop.visible { opacity: 1; pointer-events: auto; }
.glass-modal { background: #0f0f12; border: 1px solid #27272a; border-top: 2px solid var(--accent); border-radius: 12px; width: 340px; transform: scale(0.98); opacity: 0; transition: 0.2s; display: flex; flex-direction: column; }
.modal-backdrop.visible .glass-modal { transform: scale(1); opacity: 1; }
.glass-modal.large { width: 460px; }
.modal-header { padding: 14px 20px; background: #131316; border-bottom: 1px solid #27272a; display: flex; align-items: center; gap: 10px; color: white; font-weight: 600; font-size: 14px; }
.modal-body { padding: 24px; color: #d4d4d8; text-align: center; font-size: 13px; }
.modal-footer { padding: 14px 20px; background: #131316; border-top: 1px solid #27272a; display: flex; justify-content: flex-end; gap: 8px; }

.glass-btn { padding: 8px 14px; border-radius: 6px; cursor: pointer; background: #27272a; border: none; color: white; transition: 0.2s; font-size: 12px; font-weight: 500; }
.glass-btn:hover { background: #3f3f46; }
.glass-btn.primary { background: var(--accent); }
.glass-btn.primary:hover { background: #2563eb; }

.glass-input { background: #18181b; border: 1px solid #27272a; color: white; padding: 8px 10px; border-radius: 6px; width: 100%; box-sizing: border-box; font-size: 13px; }
.glass-input:focus { border-color: var(--accent); outline: none; }
.constructor-form { padding: 20px; max-height: 60vh; overflow-y: auto; }
.form-row { margin-bottom: 14px; }
.form-row label { font-size: 11px; color: #71717a; text-transform: uppercase; display: block; margin-bottom: 4px; }

.color-picker-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(28px, 1fr)); gap: 6px; }
.icon-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(36px, 1fr)); gap: 6px; max-height: 120px; overflow-y: auto; padding-right: 5px; }
.color-swatch { height: 28px; border-radius: 4px; cursor: pointer; border: 2px solid transparent; transition: 0.2s; }
.color-swatch:hover { transform: scale(1.1); }
.color-swatch.selected { border-color: white; box-shadow: 0 0 8px rgba(255,255,255,0.4); }
.icon-option { height: 36px; display: flex; align-items: center; justify-content: center; background: #18181b; border-radius: 6px; border: 1px solid transparent; cursor: pointer; color: #52525b; transition: 0.2s; }
.icon-option:hover { background: #27272a; color: white; }
.icon-option.selected { background: rgba(59, 130, 246, 0.15); border-color: var(--accent); color: var(--accent); }
.icon-option svg { width: 20px; height: 20px; }
.segmented-control { display: flex; background: #18181b; padding: 2px; border-radius: 6px; border: 1px solid #27272a; }
.segmented-control label { flex: 1; cursor: pointer; }
.segmented-control input { display: none; }
.segmented-control span { display: block; text-align: center; padding: 6px; font-size: 12px; color: #a1a1aa; border-radius: 4px; transition: 0.2s; }
.segmented-control input:checked + span { background: #27272a; color: white; }
.tab-header { display: flex; gap: 5px; margin-bottom: 10px; border-bottom: 1px solid #27272a; }
.upload-zone { border: 1px dashed #27272a; border-radius: 6px; padding: 15px; text-align: center; color: #71717a; background: #101012; position: relative; }
.upload-zone:hover { border-color: var(--accent); color: var(--accent); background: rgba(59, 130, 246, 0.05); }
.upload-zone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.preview-box { width: 40px; height: 40px; border-radius: 4px; border: 1px solid #27272a; background: #000; margin: 10px auto 0; display: flex; align-items: center; justify-content: center; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #3f3f46; border-radius: 3px; }
.hidden { display: none !important; }