:root {
    --bg-color: #030305;
    --panel-bg: rgba(15, 15, 18, 0.95);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #ffffff;
    --text-muted: #888888;
    --accent: #ffffff;
    --accent-hover: #cccccc;
    --render-btn: #ff003c;
    --render-btn-hover: #e00035;
    --success: #00ff88;
    --success-hover: #00cc6a;
    --font-main: 'Montserrat', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { background-color: var(--bg-color); color: var(--text-main); font-family: var(--font-main); overflow: hidden; height: 100vh; }
.app-container { display: flex; height: 100vh; width: 100vw; }

.control-panel { 
    width: 420px; background: var(--panel-bg); border-right: 1px solid var(--border-color); 
    padding: 30px; display: flex; flex-direction: column; gap: 18px; overflow-y: auto; z-index: 10; 
}
.control-panel::-webkit-scrollbar { width: 4px; }
.control-panel::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 2px; }

.panel-header h2 { font-weight: 900; font-size: 24px; letter-spacing: 1px; text-transform: uppercase; }
.panel-header p { color: var(--text-muted); font-size: 11px; margin-top: 4px; letter-spacing: 2px; text-transform: uppercase; }

.input-group label, .settings-group label { display: block; font-size: 11px; font-weight: 700; color: var(--text-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1px; }
input[type="text"], input[type="number"], input[type="file"], select.custom-select { 
    width: 100%; background: rgba(0, 0, 0, 0.5); border: 1px solid var(--border-color); 
    color: var(--text-main); padding: 12px 15px; border-radius: 6px; font-family: var(--font-main); font-size: 14px; outline: none; transition: 0.3s; 
}
input[type="text"]:focus, input[type="number"]:focus, select.custom-select:focus { border-color: var(--accent); }
input[type="file"] { padding: 9px; cursor: pointer; }
input[type="range"] { width: 100%; margin-bottom: 12px; accent-color: var(--accent); }

select.custom-select { appearance: none; cursor: pointer; }

.durations { display: flex; gap: 15px; }
.durations .input-group { width: 50%; }

.controls { display: flex; flex-direction: column; gap: 12px; margin-top: auto; }
.btn { width: 100%; padding: 16px; border: none; border-radius: 8px; font-family: var(--font-main); font-weight: 900; font-size: 14px; cursor: pointer; text-align: center; text-transform: uppercase; letter-spacing: 1px; transition: 0.3s; display: block; text-decoration: none; }
.btn:disabled { opacity: 0.3; cursor: not-allowed; }
.btn.primary { background: var(--accent); color: #000; }
.btn.primary:hover:not(:disabled) { background: var(--accent-hover); transform: translateY(-2px); }
.btn.render { background: var(--render-btn); color: #fff; box-shadow: 0 0 15px rgba(255,0,60,0.4); }
.btn.render:hover:not(:disabled) { background: var(--render-btn-hover); box-shadow: 0 0 25px rgba(255,0,60,0.6); transform: translateY(-2px); }
.btn.download { background: var(--success); color: #000; margin-top: 10px; }
.btn.download:hover { background: var(--success-hover); }

.status-box { background: rgba(0, 0, 0, 0.5); padding: 15px; border-radius: 8px; border: 1px solid var(--border-color); }
#statusText { font-size: 12px; font-weight: 700; color: var(--accent); margin-bottom: 10px; text-align: center; }
.progress-bar-bg { width: 100%; height: 4px; background: rgba(255,255,255,0.1); border-radius: 2px; overflow: hidden; }
.progress-bar-fill { height: 100%; width: 0%; background: var(--render-btn); transition: width 0.2s; }

.result-block { margin-top: 10px; background: rgba(0, 255, 136, 0.05); padding: 15px; border-radius: 8px; border: 1px solid rgba(0, 255, 136, 0.3); }
.result-block h3 { font-size: 11px; color: var(--success); margin-bottom: 10px; text-align: center; text-transform: uppercase; letter-spacing: 1px; }
.result-block video { width: 100%; border-radius: 4px; margin-bottom: 10px; background: #000; border: 1px solid #222; }
.hidden { display: none !important; }

.preview-area { flex-grow: 1; display: flex; align-items: center; justify-content: center; background: radial-gradient(circle at center, #1a1a24 0%, #050507 100%); padding: 40px; overflow: hidden; }
.canvas-wrapper { width: 100%; max-height: 90vh; border-radius: 12px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.9); border: 1px solid rgba(255,255,255,0.05); background: #000; display: flex; justify-content: center; align-items: center; }
.canvas-wrapper[data-format="16:9"] { aspect-ratio: 16 / 9; max-width: 1280px; }
.canvas-wrapper[data-format="9:16"] { aspect-ratio: 9 / 16; max-width: none; }
canvas { width: 100%; height: 100%; display: block; object-fit: contain; }