:root {
    --bg-dark: #0f0f12;
    --sidebar-bg: #16161d;
    --accent: #9d6dff;
    --accent-glow: rgba(157, 109, 255, 0.3);
    --text-main: #e0e0e0;
    --text-bright: #ffffff;
    --text-dim: #909090;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-family: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-family);
    overflow: hidden;
    height: 100vh;
}

.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* Sidebar Styling */
.sidebar {
    width: 20%;
    min-width: 250px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    z-index: 10;
    box-shadow: 10px 0 30px rgba(0,0,0,0.5);
}

/* New Thin Logo Styling */
.thin-logo {
    padding: 1rem 1rem 0.25rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0;
}

/* Tabs */
.folder-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 0 1rem 0.5rem;
}

.tab-btn {
    flex: 1 1 45%;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-dim);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s;
}

.tab-btn:hover {
    background: rgba(255,255,255,0.1);
}

.tab-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* Controls */
.camera-controls.thin-controls {
    padding: 0 1rem 0.5rem;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 0.5rem;
}

.thin-controls h3 {
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.control-group {
    margin-bottom: 0.4rem;
}

.control-group label {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    margin-bottom: 0.2rem;
    color: var(--text-dim);
}

.control-group span {
    color: var(--text-bright);
    font-family: monospace;
}

/* Dropdown */
.anim-dropdown {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-bright);
    padding: 0.5rem;
    border-radius: 6px;
    font-size: 0.8rem;
    outline: none;
    cursor: pointer;
    margin-top: 0.25rem;
    transition: all 0.2s ease;
}

.anim-dropdown:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent);
}

.anim-dropdown option {
    background: #1a1a1a;
    color: var(--text-bright);
}

/* Search */
.search-box.thin-search {
    padding: 0 1rem 0.5rem;
}

.search-box input {
    width: 100%;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    color: white;
    font-size: 0.85rem;
    font-family: inherit;
    outline: none;
    transition: all 0.3s ease;
}

.search-box input:focus {
    border-color: var(--accent);
}

/* List */
.spine-list {
    flex: 1;
    overflow-y: auto;
    list-style: none;
    padding: 0 1rem 2rem;
}

.spine-list::-webkit-scrollbar {
    width: 4px;
}

.spine-list::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 10px;
}

.spine-item {
    padding: 0.6rem 0.8rem;
    margin-bottom: 0.4rem;
    background: var(--glass);
    border: 1px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.spine-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(3px);
}

.spine-item.active {
    background: var(--accent-glow);
    border-color: var(--accent);
}

.spine-item .name {
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Viewer Styling */
.viewer-container {
    flex: 1;
    position: relative;
    background: radial-gradient(circle at center, #1a1a25 0%, #0f0f12 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#player-container {
    width: 100%;
    height: 100%;
}

.no-selection {
    text-align: center;
    opacity: 0.3;
}

.no-selection .icon {
    font-size: 4rem;
    filter: drop-shadow(0 0 20px var(--accent));
}

.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-dim);
    font-style: italic;
    font-size: 0.9rem;
}

input[type=range] {
    width: 100%;
    accent-color: var(--accent);
    cursor: pointer;
}