/* ========================================
   AlfosCondominios - Corporate Modern Theme
   ======================================== */

/* CSS Variables - Corporate Modern Theme */
:root {
    /* Primary Colors */
    --color-primary: #2563EB;
    --color-primary-dark: #1E40AF;
    --color-primary-light: #3B82F6;
    
    /* Secondary Colors */
    --color-secondary: #10B981;
    --color-secondary-dark: #059669;
    --color-secondary-light: #34D399;
    
    /* Neutral Colors */
    --color-background: #F9FAFB;
    --color-surface: #FFFFFF;
    --color-surface-hover: #F3F4F6;
    --color-border: #E5E7EB;
    --color-border-dark: #D1D5DB;
    
    /* Text Colors */
    --color-text-primary: #111827;
    --color-text-secondary: #6B7280;
    --color-text-muted: #9CA3AF;
    
    /* Status Colors */
    --color-success: #10B981;
    --color-error: #EF4444;
    --color-warning: #F59E0B;
    --color-info: #3B82F6;
    
    /* Typography */
    --font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, system-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: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    /* Border Radius */
    --border-radius-sm: 6px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px; /* reduced from 16px to make vertical spacing tighter */
    --spacing-lg: 16px; /* reduced from 24px */
    --spacing-xl: 24px; /* reduced from 32px */
    --spacing-2xl: 36px; /* reduced from 48px */
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --color-primary: #3B82F6;
    --color-secondary: #34D399;
    --color-background: #111827;
    --color-surface: #1F2937;
    --color-surface-hover: #374151;
    --color-border: #374151;
    --color-border-dark: #4B5563;
    --color-text-primary: #F9FAFB;
    --color-text-secondary: #9CA3AF;
    --color-text-muted: #6B7280;
}

/* ========================================
   Global Styles
   ======================================== */

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

html, body {
    height: 100%;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.4; /* slightly tighter */
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app {
    height: 100%;
}

/* Ensure emoji glyphs render correctly in buttons/icons */
.icon,
.btn-icon,
.stat-icon,
.empty-icon {
    /* include common emoji fonts across platforms */
    font-family: 'Segoe UI Emoji', 'Segoe UI Symbol', 'Apple Color Emoji', 'Noto Color Emoji', 'Android Emoji', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
    /* Use fallback normal font rendering for color emoji if not available */
    line-height: 1;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-text-primary);
}

h1:focus, h2:focus, h3:focus, h4:focus, h5:focus, h6:focus {
    outline: none;
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

.subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-sm);
}

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

.text-center {
    text-align: center;
}

.text-warning {
    color: var(--color-warning);
}

/* ========================================
   Layout
   ======================================== */

.page-container {
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.page-header {
    margin-bottom: var(--spacing-xl); /* reduced to bring header closer */
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-header h1 {
    margin: 0;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

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

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

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

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

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-border-dark);
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #DC2626;
    transform: translateY(-1px);
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    font-size: var(--font-size-lg);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background-color: var(--color-surface-hover);
}

.btn-icon.btn-danger:hover {
    background-color: #FEE2E2;
}

.btn-back {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.btn-back:hover {
    background-color: var(--color-surface-hover);
}

.btn-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: var(--color-text-muted);
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

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

.btn-clear {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    color: var(--color-text-muted);
    padding: 0;
    margin-left: var(--spacing-sm);
}

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

/* ========================================
   Forms
   ======================================== */

.form-container {
    max-width: 900px;
}

.form-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg); /* reduced padding for tighter layout */
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.form-section-title {
    margin-bottom: var(--spacing-sm); /* much closer to fields */
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-lg);
}

.form-group {
    margin-bottom: var(--spacing-sm); /* reduce vertical gap between fields */
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.form-control {
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-md); /* tighten control padding */
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-base);
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.06);
}

.form-row {
    display: flex;
    gap: var(--spacing-sm); /* smaller gaps horizontally */
}

.form-row .form-group {
    flex: 1;
}

.form-group.col-3 {
    flex: 0 0 25%;
}

.form-group.col-6 {
    flex: 0 0 50%;
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    padding-top: var(--spacing-md);
}

.validation-message {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* ========================================
   Tables
   ======================================== */

.data-grid-container {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

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

.search-icon {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: var(--font-size-base);
    background: transparent;
    color: var(--color-text-primary);
}

.table-container {
    overflow-x: auto;
    /* allow vertical scroll while keeping header visible */
    max-height: calc(100vh - 260px);
    overflow-y: auto;
    padding-bottom: 80px; /* ensure last rows are not hidden behind sticky footer */
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

/* make header sticky so it stays visible on vertical scroll */
.data-table thead {
    background-color: var(--color-primary);
    color: white;
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table th {
    padding: var(--spacing-sm) var(--spacing-md); /* reduced padding */
    text-align: left;
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.data-table th:hover {
    background-color: var(--color-primary-dark);
}

.data-table td {
    padding: calc(var(--spacing-xs)) var(--spacing-md); /* reduce vertical padding */
    border-bottom: 1px solid var(--color-border);
}

.data-table tbody tr {
    transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover {
    background-color: var(--color-surface-hover);
}

.actions-column {
    text-align: right;
    white-space: nowrap;
}

.sort-indicator {
    margin-left: var(--spacing-xs);
    font-size: var(--font-size-xs);
}

.table-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;

    /* Make footer stick to bottom of viewport when table scrolls */
    position: sticky;
    bottom: 0;
    background-color: var(--color-surface);
    z-index: 12;
    box-shadow: 0 -6px 12px rgba(0,0,0,0.03);
}

.result-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ========================================
   Badges and Tags
   ======================================== */

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    background-color: var(--color-border);
    color: var(--color-text-primary);
}

.count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    background-color: var(--color-primary);
    color: white;
}

/* ========================================
   Loading States
   ======================================== */

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    gap: var(--spacing-md);
}

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

.spinner-small {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ========================================
   Empty States
   ======================================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state h3 {
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Alerts
   ======================================== */

.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.alert-error {
    background-color: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FCA5A5;
}

.alert-success {
    background-color: #D1FAE5;
    color: #065F46;
    border: 1px solid #6EE7B7;
}

.alert-warning {
    background-color: #FEF3C7;
    color: #92400E;
    border: 1px solid #FCD34D;
}

/* ========================================
   Modals
   ======================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-lg);
}

.modal-dialog {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
}

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

.modal-header h3 {
    margin: 0;
}

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

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* ========================================
   Dashboard
   ======================================== */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.stat-icon {
    font-size: 2.5rem;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    background-color: var(--color-background);
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

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

.stat-arrow {
    font-size: var(--font-size-2xl);
    color: var(--color-text-muted);
    transition: transform var(--transition-base);
}

.stat-card:hover .stat-arrow {
    transform: translateX(4px);
}

.stat-primary .stat-icon {
    color: var(--color-primary);
}

.stat-success .stat-icon {
    color: var(--color-success);
}

.stat-info .stat-icon {
    color: var(--color-info);
}

.stat-warning .stat-icon {
    color: var(--color-warning);
}

.quick-actions {
    margin-top: var(--spacing-2xl);
}

.quick-actions h2 {
    margin-bottom: var(--spacing-lg);
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.action-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    border: 2px solid var(--color-border);
    transition: all var(--transition-base);
}

.action-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.action-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.action-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.action-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
    .page-container {
        padding: var(--spacing-md);
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-group.col-3,
    .form-group.col-6 {
        flex: 1;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .action-grid {
        grid-template-columns: 1fr;
    }
    
    .data-table {
        font-size: var(--font-size-sm);
    }
    
    .data-table th,
    .data-table td {
        padding: var(--spacing-sm);
    }
}