/* CSS Variables */
:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #e0e7ff;
    --secondary: #8b5cf6;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --error: #ef4444;
    --error-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;
    
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    
    --border-color: #e5e7eb;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    --transition: all 0.2s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Auth Section */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
}

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

.logo {
    display: inline-flex;
    margin-bottom: 1rem;
}

.auth-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.auth-header .subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-form h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

/* Form Elements */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    font-family: inherit;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group .hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.char-count {
    display: block;
    text-align: right;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    font-family: inherit;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

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

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

.btn-ghost:hover:not(:disabled) {
    background: var(--gray-100);
    color: var(--text-primary);
}

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

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

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Auth Switch */
.auth-switch {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.auth-switch a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* Error Message */
.error-message {
    background: var(--error-light);
    color: var(--error);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    margin-top: 1rem;
}

/* Navigation */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.nav-brand svg {
    width: 32px;
    height: 32px;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-user span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Main Content */
.main-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    background: var(--bg-primary);
    padding: 0.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: inherit;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.tab:hover {
    color: var(--text-primary);
    background: var(--gray-100);
}

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

.tab svg {
    flex-shrink: 0;
}

/* Cards */
.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-header p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

/* Scrape Form */
.scrape-form .btn-primary {
    margin-top: 0.5rem;
}

/* Examples */
.examples-card {
    background: var(--bg-tertiary);
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.example-btn {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-family: inherit;
    text-align: left;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.example-btn:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

/* Cron Examples */
.cron-examples {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.cron-btn {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    font-family: inherit;
    background: var(--gray-100);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.cron-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    border-radius: 9999px;
}

.status-pending {
    background: var(--warning-light);
    color: var(--warning);
}

.status-in_progress, .status-in-progress {
    background: var(--info-light);
    color: var(--info);
}

.status-success, .status-completed {
    background: var(--success-light);
    color: var(--success);
}

.status-failed, .status-error {
    background: var(--error-light);
    color: var(--error);
}

/* Tasks List */
.tasks-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.task-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.task-item:hover {
    border-color: var(--gray-300);
}

.task-info {
    flex: 1;
    min-width: 0;
}

.task-url {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    word-break: break-all;
    margin-bottom: 0.25rem;
}

.task-prompt {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.task-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.task-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1rem;
}

/* Schedules List */
.schedules-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.schedule-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.schedule-info {
    flex: 1;
    min-width: 0;
}

.schedule-url {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    word-break: break-all;
    margin-bottom: 0.25rem;
}

.schedule-cron {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.75rem;
    background: var(--gray-100);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    color: var(--text-secondary);
}

.schedule-prompt {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.schedule-meta {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Schedule Form */
.schedule-form {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
}

.empty-state svg {
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state p {
    font-size: 0.9375rem;
}

/* Result Content */
#result-content {
    max-height: 400px;
    overflow-y: auto;
}

.result-data {
    background: var(--gray-900);
    color: #e5e7eb;
    padding: 1rem;
    border-radius: var(--border-radius);
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.8125rem;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-x: auto;
}

.result-meta {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.result-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 1000;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid;
    animation: slideIn 0.3s ease;
    max-width: 400px;
}

.toast.success {
    border-left-color: var(--success);
}

.toast.error {
    border-left-color: var(--error);
}

.toast.info {
    border-left-color: var(--info);
}

.toast-message {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }
    
    .nav-brand span {
        display: none;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .tabs {
        flex-wrap: wrap;
    }
    
    .tab {
        flex: 1 1 calc(50% - 0.25rem);
    }
    
    .tab span {
        display: none;
    }
    
    .examples-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .task-item,
    .schedule-item {
        flex-direction: column;
    }
    
    .task-actions {
        margin-left: 0;
        margin-top: 1rem;
        width: 100%;
        justify-content: flex-end;
    }
}

/* Data Table for Results */
.result-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.result-table th,
.result-table td {
    text-align: left;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.result-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.025em;
}

.result-table tr:hover td {
    background: var(--bg-secondary);
}

.result-table td {
    color: var(--text-primary);
}

/* View Result Button */
.btn-view {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    background: var(--primary-light);
    color: var(--primary);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    transition: var(--transition);
}

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

/* Raw Button */
.btn-raw {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    background: var(--gray-100);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    transition: var(--transition);
}

.btn-raw:hover {
    background: var(--gray-200);
    color: var(--text-primary);
}

/* Toggle View Button */
.btn-toggle-view {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    background: var(--info-light);
    color: var(--info);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    transition: var(--transition);
    margin-left: auto;
}

.btn-toggle-view:hover {
    background: var(--info);
    color: white;
}

/* Task ID style */
.task-id {
    font-size: 0.75rem;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

/* Result URL link */
.result-url {
    color: var(--primary);
    text-decoration: none;
}

.result-url:hover {
    text-decoration: underline;
}

/* Delete Button */
.btn-delete {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    background: transparent;
    color: var(--error);
    border: 1px solid var(--error);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    transition: var(--transition);
}

.btn-delete:hover {
    background: var(--error);
    color: white;
}