/* ==============================================================================
 * 📐 Matrix-RS Layout & Viewport Coordinates (layout.css)
 * ============================================================================== */

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

html, body {
    width: 100vw;
    height: 100dvh;
    overflow: hidden;
    background: var(--bg-base);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    -webkit-font-smoothing: antialiased;
    overscroll-behavior: none;
}

/* 🪟 Master Viewport Container */
.matrix-main-viewport {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100dvh;
    overflow: hidden;
}

/* 🎥 Video Matrix Grid */
.matrix-video-grid {
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--gap-grid);
    padding: var(--gap-grid);
}

.matrix-video-tile {
    position: relative;
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.matrix-video-tile video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.matrix-tile-badge {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 4px 8px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
    pointer-events: none;
}

/* 🖥️ Desktop Tri-Wing Command Layout (>1200px) */
@media (min-width: 1200px) {
    .matrix-tri-wing {
        display: grid;
        grid-template-columns: 280px 1fr 340px;
        height: 100dvh;
    }
    .tri-wing-left, .tri-wing-right {
        background: var(--bg-surface);
        backdrop-filter: blur(var(--glass-blur));
        border-right: 1px solid var(--border-color);
        padding: 16px;
        overflow-y: auto;
    }
    .tri-wing-right {
        border-right: none;
        border-left: 1px solid var(--border-color);
    }
}

/* ==============================================================================
 * 🚀 Landing Portal & Pre-Flight Green Room Layout
 * ============================================================================== */
.landing-portal-container {
    width: 100vw;
    height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-page-x);
    overflow-y: auto;
}

.landing-grid {
    width: 100%;
    max-width: 1100px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: center;
}

@media (min-width: 900px) {
    .landing-grid {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 48px;
    }
}

.landing-hero {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.landing-brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.brand-glow-shield {
    color: var(--color-brand);
    filter: drop-shadow(0 0 12px var(--color-brand-glow));
}

.landing-subtitle {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 480px;
}

.landing-action-card {
    background: var(--bg-surface);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.landing-btn-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.landing-btn-group .matrix-btn {
    flex: 1;
    min-width: 140px;
    height: 46px;
}

/* 🟢 Pre-Flight Green Room Card */
.preflight-card {
    background: var(--bg-surface);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.preflight-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.preflight-title {
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.preflight-video-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    background: #000;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.preflight-video-wrap video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 🎙️ Audio Visualizer Meter */
.audio-meter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 0, 0, 0.3);
    padding: 8px 14px;
    border-radius: var(--border-radius-pill);
    border: 1px solid var(--border-color);
}

.meter-track {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.meter-fill {
    width: 0%;
    height: 100%;
    background: var(--color-success);
    border-radius: 3px;
    transition: width 0.05s ease-out;
}

.preflight-btn-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

@media (min-width: 480px) {
    .preflight-btn-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.camera-privacy-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(9, 13, 22, 0.95);
    color: var(--text-muted);
    font-size: 0.85rem;
    gap: 8px;
    z-index: 5;
}