/* ==================== Variables ==================== */
:root {
    --primary-color: #4f46e5;
    --primary-dark: #4338ca;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --bg-primary: #f9fafb;
    --bg-secondary: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==================== Navigation ==================== */
.navbar {
    background: var(--bg-secondary);
    box-shadow: var(--shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-logout {
    color: var(--danger-color);
}

.nav-user {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.nav-badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.nav-badge-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    cursor: default;
}

.nav-badge-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

.nav-badge-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

/* ==================== Container ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.main-content {
    flex: 1;
    padding: 2rem 0;
}

/* ==================== Toast Notifications (Fixed Position) ==================== */
.toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
    pointer-events: none; /* Allow clicks to pass through empty space */
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-width: 300px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: slideInRight 0.3s ease-out;
    pointer-events: auto; /* Re-enable clicks on toast */
    backdrop-filter: blur(10px);
}

/* Slide in animation */
@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Fade out animation (for removal) */
@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateX(400px);
    }
}

.alert.removing {
    animation: fadeOut 0.3s ease-out forwards;
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    border-left: 4px solid #059669;
}

.alert-error {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
    border-left: 4px solid #dc2626;
}

.alert-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    border-left: 4px solid #f59e0b;
}

.alert-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
    border-left: 4px solid #3b82f6;
}

.alert-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    padding: 0 0 0 1rem;
    line-height: 1;
}

.alert-close:hover {
    opacity: 1;
}

/* ==================== Cards ==================== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.card {
    background: var(--bg-secondary);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.card-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.card-body {
    margin-bottom: 1rem;
}

/* ==================== Status Badge ==================== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.status-ready {
    background: #e5e7eb;
    color: #374151;
}

.status-initializing {
    background: #fef3c7;
    color: #92400e;
}

.status-running {
    background: #d1fae5;
    color: #065f46;
}

.status-failed {
    background: #fee2e2;
    color: #991b1b;
}

.status-stopped {
    background: #fef3c7;
    color: #92400e;
}

.status-stopping {
    background: #fed7aa;
    color: #9a3412;
}

.status-completed {
    background: #d1fae5;
    color: #065f46;
}

/* ==================== User Info ==================== */
.user-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.user-info strong {
    color: var(--text-primary);
}

/* ==================== Buttons ==================== */
.btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

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

.btn-secondary:hover:not(:disabled) {
    background: #4b5563;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.85rem;
}

.btn-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ==================== Forms ==================== */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-control {
    width: 100%;
    padding: 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* ==================== Tables ==================== */
.table-container {
    overflow-x: auto;
    margin-top: 1.5rem;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-secondary);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--bg-primary);
    font-weight: 600;
    color: var(--text-primary);
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover {
    background: var(--bg-primary);
}

/* ==================== Page Header ==================== */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.page-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ==================== Footer ==================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: auto;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ==================== Loading Spinner ==================== */
.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .table-container {
        overflow-x: scroll;
    }
}

/* ==================== Login Page ==================== */
.login-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    width: 100%;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h2 {
    font-size: 1.75rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
}

/* ==================== Log Viewer ==================== */
.log-section {
    margin-top: 1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.btn-log-toggle {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.btn-log-toggle:hover {
    color: var(--primary-dark);
}

.log-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    transition: transform 0.2s;
}

.btn-icon:hover {
    transform: scale(1.1);
}

.log-autoscroll {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
}

.log-autoscroll input {
    cursor: pointer;
}

.log-viewer {
    background: #1e1e1e;
    border-radius: 0.5rem;
    padding: 0.75rem;
    max-height: 300px;
    overflow-y: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    display: none;
}

.log-viewer.expanded {
    display: block;
}

.log-content {
    color: #d4d4d4;
}

.log-line {
    padding: 0.125rem 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.log-line-INFO {
    color: #d4d4d4;
}

.log-line-SUCCESS {
    color: #4ade80;
}

.log-line-WARNING {
    color: #fbbf24;
}

.log-line-ERROR {
    color: #f87171;
}

.log-timestamp {
    color: #888;
    margin-right: 0.5rem;
}

.log-empty {
    color: #888;
    text-align: center;
    padding: 1rem;
    font-style: italic;
}

/* Log viewer scrollbar styling */
.log-viewer::-webkit-scrollbar {
    width: 8px;
}

.log-viewer::-webkit-scrollbar-track {
    background: #2d2d2d;
    border-radius: 4px;
}

.log-viewer::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 4px;
}

.log-viewer::-webkit-scrollbar-thumb:hover {
    background: #666;
}