:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #334155;
    --accent-primary: #818cf8;
    --accent-secondary: #a78bfa;
    --success-color: #34d399;
    --warning-color: #fbbf24;
    --error-color: #f87171;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent-primary);
}

.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
}

.header-actions {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--accent-secondary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-tertiary);
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.btn-icon:hover {
    opacity: 1;
}

.clients-grid, .plans-list, .versions-list, .executions-list, .schedules-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.client-card, .plan-card, .version-card, .execution-card, .schedule-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.2s;
}

.client-card:hover, .plan-card:hover, .version-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.client-card h3, .plan-card h3, .version-card h3 {
    margin-bottom: 0.5rem;
}

.client-card h3 a, .plan-card h3 a {
    color: var(--text-primary);
    text-decoration: none;
}

.client-card h3 a:hover {
    color: var(--accent-primary);
}

.client-email, .plan-description, .version-notes {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0.5rem 0;
}

.client-actions, .plan-actions, .version-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-draft {
    background: rgba(148, 163, 184, 0.2);
    color: var(--text-muted);
}

.status-active {
    background: rgba(52, 211, 153, 0.2);
    color: var(--success-color);
}

.status-archived {
    background: rgba(148, 163, 184, 0.2);
    color: var(--text-muted);
}

.status-passed {
    background: rgba(52, 211, 153, 0.2);
    color: var(--success-color);
}

.status-failed {
    background: rgba(248, 113, 113, 0.2);
    color: var(--error-color);
}

.status-pending, .status-running {
    background: rgba(251, 191, 36, 0.2);
    color: var(--warning-color);
}

.status-partial {
    background: rgba(251, 191, 36, 0.2);
    color: var(--warning-color);
}

.info-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.plan-info {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    overflow: auto;
}

.modal-content {
    background: var(--bg-secondary);
    margin: 5% auto;
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
}

.modal-large {
    max-width: 900px;
}

.close {
    color: var(--text-muted);
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.1);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

.builder-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.builder-sidebar {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    height: fit-content;
}

.step-type-selector {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}

.step-editor {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.step-item, .step-review-item, .step-result-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background: var(--accent-primary);
    color: white;
    border-radius: 50%;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.step-text {
    color: var(--text-secondary);
}

.step-actions {
    display: flex;
    gap: 0.5rem;
}

.version-header, .execution-header, .schedule-header, .plan-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.version-date {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.test-execution-detail {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    margin-top: 2rem;
}

.execution-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.step-results {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.result-notes {
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .builder-container {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .clients-grid, .plans-list {
        grid-template-columns: 1fr;
    }
}