/* --- 1. GLOBAL VARIABLES --- */
:root {
    --bg-dark: #050505;       /* Deepest Black */
    --panel-bg: #111111;      /* Slightly lighter for panels */
    --border: #222;           /* Subtle borders */
    --primary: #ffffff;       /* White text/accents */
    --accent: #3b82f6;        /* Professional Blue (for Active states) */
    --record-red: #ef4444;    /* Recording Red */
    --text-main: #e5e5e5;     /* Main text color */
    --text-muted: #737373;    /* Muted text color */
    --font: 'Manrope', sans-serif;
}

/* --- 2. BASE RESET --- */
body {
    margin: 0;
    background-color: var(--bg-dark);
    font-family: var(--font);
    color: var(--text-main);
    overflow: hidden; /* Prevent scrolling, app-like feel */
    height: 100vh;
}

/* --- 3. SPLASH SCREEN (Enter Studio) --- */
.splash-screen {
    position: fixed;
    top: 0; left: 0; 
    width: 100%; height: 100%;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.5s ease;
}
.splash-content { text-align: center; }
.splash-content i { color: var(--text-main); margin-bottom: 20px; }
.splash-content h1 { font-weight: 800; letter-spacing: -1px; margin: 0 0 5px 0; font-size: 2rem; }
.splash-content p { color: var(--text-muted); margin-bottom: 30px; font-size: 0.9rem; }
.btn-enter {
    background: white; color: black; border: none; padding: 15px 40px;
    font-size: 1rem; font-weight: 700; border-radius: 6px; cursor: pointer;
    transition: transform 0.2s;
}
.btn-enter:hover { transform: scale(1.05); }

/* --- 4. WORKSPACE LAYOUT --- */
.workspace {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Navigation Bar */
nav {
    height: 60px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    background: var(--panel-bg);
}
.brand { font-weight: 800; font-size: 1.2rem; letter-spacing: -0.5px; display: flex; align-items: center; gap: 10px; }
.brand span { font-size: 0.7rem; background: #333; padding: 2px 6px; border-radius: 4px; color: #aaa; }

/* Status Indicator Pill */
.status-pill {
    font-size: 0.8rem; background: #000; padding: 6px 14px; border-radius: 20px;
    border: 1px solid #333; display: flex; align-items: center; gap: 8px; color: var(--text-muted);
}
.dot { width: 8px; height: 8px; background: #444; border-radius: 50%; }
.status-pill.active .dot { background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.status-pill.recording .dot { background: var(--record-red); box-shadow: 0 0 10px var(--record-red); }

/* Main Grid Layout */
.main-layout {
    display: grid;
    grid-template-columns: 300px 1fr 350px; /* Sidebar | Monitor | Meta */
    flex: 1;
    overflow: hidden;
}

/* --- 5. SIDEBARS (Controls & Metadata) --- */
aside {
    padding: 30px;
    background: var(--panel-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 25px;
    overflow-y: auto; /* Scrollable if content overflows */
}
.meta-sidebar { border-right: none; border-left: 1px solid var(--border); }

/* Input Styling */
.control-group label, .meta-field label {
    display: block; font-size: 0.7rem; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; font-weight: 700;
}

/* Custom Select Dropdown */
.custom-select { position: relative; }
select {
    width: 100%; background: #000; border: 1px solid #333; color: white;
    padding: 12px 15px; border-radius: 6px; appearance: none; font-family: var(--font);
    cursor: pointer; font-size: 0.95rem;
}
.custom-select i { position: absolute; right: 15px; top: 15px; pointer-events: none; font-size: 0.8rem; color: #666; }

/* Buttons */
button { width: 100%; padding: 14px; border-radius: 6px; font-weight: 600; cursor: pointer; border: none; font-family: var(--font); transition: all 0.2s; }

.btn-primary { background: #222; color: white; border: 1px solid #333; display: flex; align-items: center; justify-content: center; gap: 10px; }
.btn-primary:hover { background: #333; border-color: #555; }

.btn-record { background: var(--primary); color: black; display: flex; align-items: center; justify-content: center; gap: 10px; }
.btn-record:disabled { opacity: 0.5; cursor: not-allowed; background: #555; }
.rec-icon { width: 12px; height: 12px; background: var(--record-red); border-radius: 50%; }

.divider { height: 1px; background: #222; margin: 10px 0; }
.hint { font-size: 0.75rem; color: #555; text-align: center; margin-top: 10px; }

/* --- 6. VIDEO MONITOR (SAFARI-PROOF STACK) --- */
.monitor-section {
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    position: relative;
}

.video-wrapper {
    width: 100%;
    max-width: 900px;
    aspect-ratio: 16/9;
    background: #111;
    border: 1px solid #333;
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    /* Force Hardware Acceleration for smooth swapping */
    transform: translateZ(0);
}

.video-wrapper video {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    /* CRITICAL FOR SAFARI: Never use opacity 0. Always keep it visible to the browser engine. */
    opacity: 1; 
    will-change: z-index;
}

/* Active Player: Top of stack */
.video-wrapper video.active {
    z-index: 10;
}

/* Standby Player: Bottom of stack (But still actively decoding) */
.video-wrapper video.standby {
    z-index: 5;
}

/* Visualizer Bars */
.visualizer-overlay {
    position: absolute; bottom: 20px; right: 20px;
    display: flex; gap: 4px; align-items: flex-end;
    height: 30px; opacity: 0; transition: opacity 0.3s;
    z-index: 20; /* Above videos */
}
.visualizer-overlay.active { opacity: 1; }
.visualizer-overlay.active .bar { animation: bounce 1s infinite ease-in-out; }

.bar { 
    width: 6px; background: rgba(255, 255, 255, 0.9); 
    border-radius: 2px; min-height: 4px; 
}
.bar:nth-child(1) { animation-duration: 0.8s; }
.bar:nth-child(2) { animation-duration: 1.2s; }
.bar:nth-child(3) { animation-duration: 0.5s; }
.bar:nth-child(4) { animation-duration: 0.9s; }

@keyframes bounce { 
    0%, 100% { transform: scaleY(0.5); transform-origin: bottom; } 
    50% { transform: scaleY(1.2); transform-origin: bottom; } 
}

/* --- 7. METADATA INPUTS --- */
.input-row { display: flex; background: #000; border: 1px solid #333; border-radius: 4px; overflow: hidden; }
.input-row input, .input-row textarea {
    width: 100%; background: transparent; border: none; color: white; padding: 12px; 
    font-family: var(--font); font-size: 0.85rem; resize: none;
}
.input-row input:focus, .input-row textarea:focus { outline: none; background: #0a0a0a; }

.input-row button {
    width: 45px; background: transparent; color: #555; border-left: 1px solid #333; padding: 0;
    transition: all 0.2s; cursor: pointer;
}
.input-row button:hover { color: white; background: #111; }

/* Social Icons */
.upload-shortcuts label { display: block; font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; font-weight: 700; margin-bottom: 10px; }
.social-grid { display: flex; gap: 8px; }
.s-link {
    flex: 1; height: 35px; display: flex; align-items: center; justify-content: center;
    background: #222; border-radius: 4px; color: #aaa; transition: 0.2s; text-decoration: none;
}
.s-link:hover { color: white; background: #333; transform: translateY(-2px); }
.yt:hover { background: #ff0000; }
.tt:hover { background: #000; border: 1px solid #444; }
.ig:hover { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.fb:hover { background: #1877F2; }

/* --- 8. MOBILE RESPONSIVENESS --- */
@media (max-width: 900px) {
    .main-layout { grid-template-columns: 1fr; overflow-y: auto; height: auto; display: block; }
    aside, .monitor-section { height: auto; border-right: none; border-bottom: 1px solid var(--border); padding: 20px; }
    .video-wrapper { aspect-ratio: 16/9; max-width: 100%; }
    .workspace { height: auto; overflow: auto; }
}