@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

@font-face {
    font-family: 'Altron';
    src: url('altron.ttf') format('truetype');
}

:root {
    --bg-dark: #09090b;
    --panel-bg: #111115;
    --panel-border: #27272a;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --track-bg: #18181b;
    --clip-bg: #1e3a8a;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    height: 100vh;
    width: 100vw;
    overflow: hidden; /* Prevents the whole page from scrolling */
    display: grid;
    grid-template-rows: 60px 1fr 300px; /* Header, Workspace, Timeline */
}

/* --- Header Bar --- */
.studio-header {
    background: var(--panel-bg);
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
}

.brand-name {
    font-family: 'Altron', sans-serif;
    font-size: 1.4rem;
    letter-spacing: 2px;
    margin: 0;
}

.project-title {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
    padding: 0.2rem 1rem;
    transition: all 0.2s;
}

.project-title:focus {
    border-color: var(--panel-border);
    outline: none;
    background: var(--bg-dark);
}

/* --- Main Workspace (Middle) --- */
.workspace {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 1px;
    background: var(--panel-border); /* Acts as border between panels */
}

/* Left: Media Pool */
.media-pool {
    background: var(--panel-bg);
    display: flex;
    flex-direction: column;
}

.panel-header {
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.media-grid {
    padding: 1rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    overflow-y: auto;
    flex: 1;
}

.media-item {
    aspect-ratio: 16/9;
    background: var(--bg-dark);
    border: 1px solid var(--panel-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--text-dim);
    cursor: pointer;
    transition: border-color 0.2s;
}

.media-item:hover {
    border-color: var(--text-dim);
}

/* Right: Preview Monitor */
.preview-monitor {
    background: var(--bg-dark);
    display: flex;
    flex-direction: column;
    position: relative;
}

.canvas-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

#renderCanvas {
    background: #000;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
    max-width: 100%;
    max-height: 100%;
    aspect-ratio: 16/9;
}

.playback-controls {
    height: 50px;
    background: var(--panel-bg);
    border-top: 1px solid var(--panel-border);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

/* --- Timeline (Bottom) --- */
.timeline-container {
    background: var(--panel-bg);
    border-top: 1px solid var(--panel-border);
    display: flex;
    flex-direction: column;
}

.timeline-toolbar {
    height: 40px;
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    gap: 1rem;
}

.timeline-tracks {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
    padding: 1rem 0;
}

.track {
    display: flex;
    height: 60px;
    margin-bottom: 4px;
    background: var(--track-bg);
}

.track-header {
    width: 100px;
    background: var(--panel-bg);
    border-right: 1px solid var(--panel-border);
    display: flex;
    align-items: center;
    padding-left: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-dim);
    z-index: 10;
}

.track-lane {
    flex: 1;
    position: relative;
    border-bottom: 1px solid rgba(255,255,255,0.02);
}

.clip {
    position: absolute;
    height: 90%;
    top: 5%;
    background: var(--clip-bg);
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    padding: 0 0.5rem;
    font-size: 0.75rem;
    overflow: hidden;
    cursor: grab;
}

.playhead {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #ef4444;
    left: 150px;
    z-index: 20;
    pointer-events: none;
}

.playhead::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -4px;
    width: 10px;
    height: 10px;
    background: #ef4444;
    transform: rotate(45deg);
}

/* --- Buttons --- */
.btn {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--panel-border);
    padding: 0.4rem 1rem;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-icon {
    padding: 0.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
}