.dark-mode {
    --light: #0f172a;
    --dark: #f8fafc;
    --card-bg: #1e293b;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

/* Main Container */
.cron-generator {
    max-width: 1400px;
    /* margin: 2rem auto; */
    padding: 2rem;
    background: var(--light);
    border-radius: 16px;
    transition: all 0.3s ease;
}

/* Header */
.cron-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.cron-header h1 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.cron-header p {
    color: #64748b;
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* Tabs */
.cron-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 0.5rem;
}

.cron-tab {
    padding: 0.75rem 1.5rem;
    border-radius: 8px 8px 0 0;
    background: #e2e8f0;
    color: #334155;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}

.cron-tab.active {
    background: var(--primary);
    color: white;
}

/* Generator Card */
.generator-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    margin-bottom: 2rem;
}

/* Basic Schedule Section */
.time-selectors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Advanced Schedule Section */
.advanced-schedule {
    display: none;
}

.schedule-presets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.preset-card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid #e2e8f0;
}

.preset-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.preset-card h4 {
    margin-top: 0;
    color: var(--dark);
}

.preset-card p {
    color: #64748b;
    margin-bottom: 0;
}

/* Result Section */
.result-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.result-header h3 {
    color: var(--dark);
    margin: 0;
}

.cron-expression {
    font-family: 'Fira Code', monospace;
    background: #f1f5f9;
    padding: 1rem;
    border-radius: 6px;
    font-size: 1.2rem;
    word-break: break-all;
    margin-bottom: 1rem;
}

.human-readable {
    color: #64748b;
    font-style: italic;
    margin-bottom: 1.5rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.action-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

.btn-secondary {
    background: #e2e8f0;
    color: #334155;
}

.btn-secondary:hover {
    background: #cbd5e0;
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #0d9b6c;
}

/* Responsive */
@media (max-width: 768px) {
    .cron-generator {
        padding: 1.5rem;
    }

    .time-selectors {
        grid-template-columns: 1fr;
    }

    .cron-tabs {
        flex-wrap: wrap;
    }

    .action-buttons {
        flex-direction: column;
    }

    .action-btn {
        width: 100%;
        justify-content: center;
    }
}