:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-dark: #0f172a;
    --card-bg: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --success: #10b981;
    --accent: #f59e0b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
}

.container {
    max-width: 1000px;
    width: 100%;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

.logo {
    max-width: 180px;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.3));
}

h1 {
    font-size: 2.5rem;
    background: linear-gradient(to right, #818cf8, #c084fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

p.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.grid-modes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.mode-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.mode-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

.mode-card i {
    font-size: 2rem;
    color: var(--primary);
}

.mode-card h3 {
    font-size: 1.25rem;
}

.btn-generate {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    width: 100%;
}

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

.btn-generate:disabled {
    background-color: var(--text-muted);
    cursor: not-allowed;
}

#status-container {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--primary);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    display: none;
    text-align: center;
}

.loader {
    width: 24px;
    height: 24px;
    border: 3px solid #fff;
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    animation: rotation 1s linear infinite;
    vertical-align: middle;
    margin-right: 10px;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

#results-container {
    display: none;
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

.result-item {
    text-align: center;
}

.result-item img,
.result-item video {
    max-width: 100%;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-download {
    display: inline-block;
    background: var(--success);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.4rem;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.btn-download:hover {
    opacity: 0.9;
}

@media (max-width: 768px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
}