:root {
    --bg-color: #0b0f19;
    --card-bg: #131b2e;
    --accent-color: #00f2fe;
    --purple-accent: #a855f7;
    --text-color: #e2e8f0;
    --subtext-color: #94a3b8;
    --border-color: #1e293b;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: #0f172a;
    border-bottom: 1px solid var(--border-color);
}

.icon-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
}

.brand-title {
    color: var(--accent-color);
    font-size: 1.1rem;
    display: inline;
    margin-left: 10px;
    font-weight: bold;
}

.badge-unlimited {
    background: #eab308;
    color: #000;
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.8rem;
}

.container {
    padding: 15px;
    max-width: 600px;
    margin: auto;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
}

.card h3 {
    margin-top: 0;
    font-size: 1rem;
    color: #f8fafc;
}

.preview-box {
    background: #000;
    min-height: 200px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--subtext-color);
    border: 1px solid var(--border-color);
}

.preview-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
    color: var(--accent-color);
}

.upload-area {
    border: 2px dashed var(--accent-color);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    margin-top: 10px;
    cursor: pointer;
    background: rgba(0, 242, 254, 0.03);
}

.model-tabs {
    display: flex;
    gap: 10px;
}

.tab-btn {
    flex: 1;
    padding: 10px;
    background: #0f172a;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 8px;
    cursor: pointer;
}

.tab-btn.active {
    border-color: var(--accent-color);
    background: rgba(0, 242, 254, 0.1);
    color: var(--accent-color);
}

/* Voice Grid */
.voice-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.voice-card {
    background: #0f172a;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px;
    text-align: center;
    position: relative;
    cursor: pointer;
}

.voice-card.active {
    border-color: var(--purple-accent);
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.3);
}

.v-name {
    display: block;
    font-weight: bold;
    font-size: 0.9rem;
}

.v-gender {
    display: block;
    font-size: 0.75rem;
    color: var(--subtext-color);
    margin-bottom: 6px;
}

.play-btn {
    background: none;
    border: none;
    color: var(--purple-accent);
    font-size: 1.5rem;
    cursor: pointer;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.style-btn {
    border: 1px solid var(--border-color);
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    background: #0f172a;
}

.style-btn.active {
    border-color: var(--accent-color);
    background: rgba(0, 242, 254, 0.1);
}

.input-field {
    width: 100%;
    padding: 10px;
    background: #0f172a;
    border: 1px solid var(--border-color);
    color: #fff;
    border-radius: 6px;
    box-sizing: border-box;
    margin-top: 5px;
}

.slider-group {
    margin-bottom: 10px;
}

.slider-group label {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 4px;
}

input[type="range"] {
    width: 100%;
    accent-color: var(--accent-color);
}

.btn-primary {
    background: linear-gradient(90deg, #00c6ff 0%, #0072ff 100%);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    width: 100%;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
}

.drawer {
    position: fixed;
    top: 0;
    left: -300px;
    width: 280px;
    height: 100%;
    background: #0f172a;
    z-index: 1000;
    transition: 0.3s ease;
    padding: 20px;
    box-sizing: border-box;
}

.drawer.open { left: 0; }
.overlay { position: fixed; display: none; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 999; }
.pipeline-list { list-style: none; padding: 0; }
.pipeline-list li { padding: 8px 0; color: var(--subtext-color); font-size: 0.85rem; }
.pipeline-list li.active { color: var(--accent-color); font-weight: bold; }
.checkbox-label { display: block; margin-bottom: 8px; cursor: pointer; font-size: 0.9rem; }