/* QuadrantX Dashboard - AWS Hosted Version
 * Styles for the Cognito-gated analytics dashboard
 */

/* =============================================================================
   CSS Variables
   ============================================================================= */
:root {
    /* Colors */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-card: #1a1a24;
    --color-bg-input: #0d0d14;
    
    --color-text-primary: #f0f0f5;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #606070;
    
    --color-accent-primary: #3b82f6;
    --color-accent-secondary: #8b5cf6;
    --color-accent-success: #10b981;
    --color-accent-warning: #f59e0b;
    --color-accent-danger: #ef4444;
    
    --color-border: #2a2a3a;
    
    /* Typography */
    --font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
}

/* =============================================================================
   Base Styles
   ============================================================================= */
*, *::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: var(--font-family);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

#app {
    min-height: 100vh;
}

/* =============================================================================
   Loading State
   ============================================================================= */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    gap: var(--spacing-lg);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* =============================================================================
   Auth Container (Login & Pending)
   ============================================================================= */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, #0d0d18 100%);
}

.auth-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 420px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.auth-card.pending {
    max-width: 500px;
}

.logo-container {
    margin-bottom: var(--spacing-lg);
}

.logo {
    height: 60px;
    width: auto;
}

.auth-card h1 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.auth-card p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-lg) 0;
    color: var(--color-text-muted);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.auth-divider span {
    padding: 0 var(--spacing-md);
    font-size: var(--font-size-sm);
}

.pending-icon {
    font-size: 3rem;
    margin: var(--spacing-lg) 0;
}

.pending-info {
    text-align: left;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.pending-info h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.pending-info ul {
    list-style: none;
}

.pending-info li {
    margin-bottom: var(--spacing-sm);
}

.pending-info a {
    color: var(--color-accent-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.pending-info a:hover {
    color: var(--color-accent-secondary);
}

.text-muted {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* =============================================================================
   Buttons
   ============================================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    gap: var(--spacing-sm);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    color: white;
    width: 100%;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

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

.btn-primary.active {
    animation: pulse-glow 1.5s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(59, 130, 246, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.8);
    }
}

.btn-secondary {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    width: 100%;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-bg-primary);
    border-color: var(--color-text-muted);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
    width: auto;
}

/* =============================================================================
   Header
   ============================================================================= */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-logo {
    height: 36px;
    width: auto;
}

.header h1 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.user-email {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* =============================================================================
   Main Content
   ============================================================================= */
.main-content {
    padding: var(--spacing-xl);
    max-width: 1600px;
    margin: 0 auto;
}

/* =============================================================================
   Controls
   ============================================================================= */
.controls-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.controls-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.controls-row.primary {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.controls-row.secondary {
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.control-group label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.category-group {
    flex: 0 0 300px;
}

.date-group {
    flex: 0 0 150px;
}

.vendors-group {
    flex: 1 1 300px;
    min-width: 200px;
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    white-space: nowrap;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.action-group {
    margin-left: auto;
}

.action-group .btn {
    width: auto;
    min-width: 140px;
}

/* =============================================================================
   Form Controls
   ============================================================================= */
.form-control {
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

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

select.form-control {
    cursor: pointer;
}

select[multiple].form-control {
    height: 120px;
}

/* =============================================================================
   Tabs
   ============================================================================= */
.tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.tab {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: all 0.2s;
}

.tab:hover {
    background: var(--color-bg-card);
    color: var(--color-text-primary);
}

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

/* =============================================================================
   Custom Legend
   ============================================================================= */
.custom-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.legend-item:hover {
    background: rgba(59, 130, 246, 0.2);
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.5);
    transform: translateY(-2px);
}

.legend-item.hidden {
    opacity: 0.4;
    text-decoration: line-through;
    filter: grayscale(100%);
}

.legend-item.only {
    background: rgba(59, 130, 246, 0.25);
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.5);
    transform: scale(1.05);
}

.legend-item.only::after {
    content: '\25CF';
    font-size: 0.6rem;
    color: var(--color-accent-primary);
    margin-left: var(--spacing-xs);
}

.legend-logo {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    background: white;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-name {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

/* =============================================================================
   Chart Card
   ============================================================================= */
.chart-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.chart-card h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.chart-subtitle {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.chart-container {
    position: relative;
    height: 400px;
}

.chart-container canvas {
    touch-action: none;
}

/* =============================================================================
   Summary Cards
   ============================================================================= */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.summary-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.summary-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-xs);
}

.summary-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* =============================================================================
   Modal
   ============================================================================= */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-xl);
}

.modal-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal-vendor-logo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    object-fit: contain;
    background: white;
}

.modal-header h2 {
    flex: 1;
    font-size: var(--font-size-xl);
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    line-height: 1;
}

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

.modal-body {
    padding: var(--spacing-lg);
}

.modal-section {
    margin-bottom: var(--spacing-lg);
}

.modal-section:last-child {
    margin-bottom: 0;
}

.modal-section h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

/* =============================================================================
   Responsive
   ============================================================================= */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .controls-row {
        flex-direction: column;
    }
    
    .control-group {
        width: 100%;
    }
    
    .category-group,
    .date-group,
    .vendors-group {
        flex: none;
        width: 100%;
    }
    
    .action-group {
        margin-left: 0;
        width: 100%;
    }
    
    .action-group .btn {
        width: 100%;
    }
    
    .tabs {
        flex-wrap: wrap;
    }
    
    .chart-container {
        height: 300px;
    }
}