:root {
    --bg-color: #0f172a;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --primary: #ec4899;
    --secondary: #8b5cf6;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

/* Vibrant Animated Background Blobs */
.background-blobs {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    filter: blur(80px);
}

.blob {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
    animation: float 20s infinite ease-in-out alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--secondary);
    bottom: -150px;
    right: -100px;
    animation-delay: -5s;
}

.blob-3 {
    width: 300px;
    height: 300px;
    background: #3b82f6;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(100px, 50px) scale(1.2); }
    100% { transform: translate(-50px, 100px) scale(0.9); }
}

/* App Container */
.app-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 24px;
}

header {
    text-align: center;
    margin-bottom: 32px;
}

header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #f9a8d4 0%, #d8b4fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Glassmorphism Panel */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 32px 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.input-group {
    margin-bottom: 20px;
}

input[type="url"] {
    width: 100%;
    padding: 16px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

input[type="url"]::placeholder {
    color: #64748b;
}

input[type="url"]:focus {
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 4px rgba(236, 72, 153, 0.1);
}

button[type="submit"] {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border: none;
    border-radius: 16px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px var(--primary);
}

button[type="submit"]:active {
    transform: translateY(0);
}

.action-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    margin-top: 16px;
    transition: background 0.3s ease;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Video Preview */
.video-preview-placeholder {
    width: 100%;
    aspect-ratio: 9/16;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 16px;
    overflow: hidden;
    margin-top: 24px;
    position: relative;
}

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

.hidden {
    display: none !important;
}

.error-message {
    margin-top: 16px;
    padding: 12px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 12px;
    color: #fca5a5;
    font-size: 0.9rem;
    text-align: center;
}

/* Loader */
.loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}