:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    --card-bg: rgba(255, 255, 255, 0.05);
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-gradient);
    color: var(--text);
    min-height: 100vh;
}

.container {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
    width: 90%;
    max-width: 1200px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    margin: 40px auto;
}

.highlight {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 32px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 32px;
}

@media (max-width: 900px) {
    .form-grid { grid-template-columns: 1fr; }
}

input, select, textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    box-sizing: border-box;
}

textarea {
    resize: vertical;
    min-height: 60px;
}

.scripture-preview-block textarea {
    background: rgba(0, 0, 0, 0.2);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.input-group {
    margin-bottom: 18px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

header h1 {
    font-size: 2rem;
    margin: 0;
    background: linear-gradient(to right, #818cf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-muted);
    margin-top: 8px;
}

.config-section {
    margin-bottom: 24px;
}

.theme-preview {
    border-radius: 12px;
    overflow: hidden;
    margin: 16px 0;
    min-height: 120px;
}

.preview-inner {
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.preview-title { font-size: 1.25rem; font-weight: 700; }
.preview-subtitle { font-size: 0.9rem; }
.preview-lyrics { display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 0.85rem; }

.primary-btn {
    width: 100%;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 14px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 24px;
}

.primary-btn:hover { background: var(--primary-hover); }
.primary-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.scripture-preview-block {
    margin-top: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.hint-text {
    margin: 0 0 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.preview-two-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.input-group.tight { margin-bottom: 0; }

@media (max-width: 700px) {
    .preview-two-cols { grid-template-columns: 1fr; }
}

textarea[readonly] {
    cursor: default;
    line-height: 1.45;
}