/* 
 * AquaBuin 2026 - Premium Design System
 * Light & Dark theme with CSS Variables, modern typography and micro-animations.
 */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Shared Brand Palette (Coherencia Web - Mobile) */
    --primary: #1E6FD9;
    --primary-container: #dbeafe;
    --on-primary: #ffffff;
    --on-primary-container: #172554;
    
    --secondary: #0F8F7A;
    --secondary-container: #ccfbf1;
    --on-secondary-container: #134e4a;
    
    --success: #059669;
    --success-container: #d1fae5;
    --on-success-container: #065f46;

    --warning: #d97706;
    --warning-container: #fef3c7;
    --on-warning-container: #92400e;

    --info: #2563eb;
    --info-container: #dbeafe;
    --on-info-container: #1e40af;
    
    --error: hsl(0, 75%, 50%);
    --error-container: hsl(0, 75%, 95%);
    --on-error-container: hsl(0, 75%, 15%);
    
    --background: hsl(220, 25%, 97%);
    --surface: #ffffff;
    --surface-variant: hsl(220, 15%, 92%);
    --border: hsl(220, 15%, 85%);
    
    --text-primary: hsl(220, 25%, 15%);
    --text-secondary: hsl(220, 15%, 45%);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        /* Dark Theme overrides */
        --background: hsl(220, 25%, 8%);
        --surface: hsl(220, 25%, 12%);
        --surface-variant: hsl(220, 20%, 18%);
        --border: hsl(220, 20%, 22%);
        
        --primary-container: #1e3a8a;
        --on-primary-container: #dbeafe;
        
        --secondary-container: #115e59;
        --on-secondary-container: #ccfbf1;
        
        --success-container: #064e3b;
        --on-success-container: #6ee7b7;

        --warning-container: #78350f;
        --on-warning-container: #fde68a;

        --info-container: #1e3a8a;
        --on-info-container: #bfdbfe;

        --error-container: hsl(0, 60%, 20%);
        --on-error-container: hsl(0, 60%, 85%);
        
        --text-primary: hsl(220, 20%, 90%);
        --text-secondary: hsl(220, 15%, 65%);
    }
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease;
}

/* Header & Layout */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Auth Cards */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 150px);
}

.card {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 32px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.card h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-align: center;
}

.card p.subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 24px;
    font-size: 0.95rem;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 550;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    font-family: inherit;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border);
    background: var(--background);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-container);
}

/* Validation Feedback Classes */
.form-control.is-valid {
    border-color: var(--secondary);
}

.form-control.is-invalid {
    border-color: var(--error);
}

.feedback {
    font-size: 0.825rem;
    margin-top: 4px;
    display: block;
    font-weight: 500;
}

.feedback.is-valid {
    color: var(--secondary);
}

.feedback.is-invalid {
    color: var(--error);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

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

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

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

.btn-danger:hover {
    filter: brightness(1.1);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Main Dashboard Panel */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 280px 1fr;
    }
}

.sidebar {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    height: fit-content;
}

.main-panel {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Stats Summary Widget */
.summary-widget {
    background: linear-gradient(135deg, var(--primary-container), var(--secondary-container));
    color: var(--on-primary-container);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

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

.stat-value {
    font-size: 1.8rem;
    font-weight: 800;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0.8;
    text-transform: uppercase;
}

/* Table Card */
.table-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 16px;
}

.search-wrapper {
    position: relative;
    max-width: 320px;
    width: 100%;
}

.table-responsive {
    overflow-x: auto;
    width: 100%;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    background: var(--surface-variant);
    padding: 14px 20px;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    border-bottom: 1.5px solid var(--border);
}

td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}

tr:hover td {
    background: var(--surface-variant);
}

/* Badges */
.badge {
    display: inline-flex;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
}

.badge-success {
    background: var(--secondary-container);
    color: var(--on-secondary-container);
}

.badge-error {
    background: var(--error-container);
    color: var(--on-error-container);
}

.badge-info {
    background: var(--primary-container);
    color: var(--on-primary-container);
}

/* Modal styling */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.modal-backdrop.show {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background: var(--surface);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    transform: translateY(20px);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-backdrop.show .modal {
    transform: translateY(0);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Checkbox & Radio Grids */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px;
    padding: 8px 0;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    background: var(--surface-variant);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-weight: 550;
    font-size: 0.9rem;
    border: 1.5px solid transparent;
    transition: var(--transition);
}

.checkbox-item input {
    cursor: pointer;
}

.checkbox-item:has(input:checked) {
    background: var(--primary-container);
    border-color: var(--primary);
    color: var(--on-primary-container);
}

/* Alerts and Toast notifications */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--surface);
    color: var(--text-primary);
    border-left: 5px solid var(--primary);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    padding: 16px 20px;
    min-width: 280px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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

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

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

/* Dynamic Animation utilities */
.shake {
    animation: shakeAnim 0.3s ease;
}

@keyframes shakeAnim {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

/* Feedback de campos y validación */
.feedback {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    min-height: 16px;
    transition: var(--transition);
}
.feedback.valid {
    color: var(--success);
}
.feedback.valid::before {
    content: "✓ ";
}
.feedback.invalid {
    color: var(--error);
}
.feedback.invalid::before {
    content: "✕ ";
}

.form-control.is-valid {
    border-color: var(--success);
}
.form-control.is-invalid {
    border-color: var(--error);
}
.form-control:focus-visible {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 111, 217, 0.2);
}

/* Header and layout semantics */
.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    border: 1px solid var(--border);
    transition: var(--transition);
    gap: 16px;
    flex-wrap: wrap;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.retiro-picker {
    display: flex;
    align-items: center;
    gap: 8px;
}
.retiro-picker label {
    margin-bottom: 0;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
}
.retiro-picker select {
    width: auto;
    min-width: 175px;
    font-weight: 700;
    background: var(--surface);
    padding: 6px 12px;
    height: 38px;
    border: 1.5px solid var(--primary);
    cursor: pointer;
}
.user-chip {
    text-align: right;
}
.user-chip-email {
    font-weight: 600;
    font-size: 0.95rem;
}
.user-chip-role {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 700;
}
.btn-logout {
    padding: 8px 16px;
}

/* Grids and responsive rows */
.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-row-doc {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 12px;
}
@media (max-width: 640px) {
    .header-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .header-actions {
        justify-content: space-between;
    }
    .form-row-2 {
        grid-template-columns: 1fr;
    }
    .form-row-doc {
        grid-template-columns: 1fr;
    }
}

/* Dropdown de sugerencias */
.suggestions-dropdown {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 4px);
    z-index: 60;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    max-height: 220px;
    overflow-y: auto;
    box-shadow: var(--shadow-md);
}

/* Cajas informativas y consent */
.family-box {
    position: relative;
    background: var(--primary-container);
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1px dashed var(--primary);
}
.family-box-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}
.family-box-header label {
    margin-bottom: 0;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--on-primary-container);
}
.consent-box {
    margin-top: 14px;
    padding: 12px 14px;
    background: var(--primary-container);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    color: var(--text-secondary);
}
.consent-box-content {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}
.consent-box label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
}

/* Banner de persona detectada */
.banner-detected {
    margin-bottom: 14px;
    padding: 12px 14px;
    background: var(--primary-container);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-sm);
}
.banner-detected-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* Badges estandarizados */
.badge-warning {
    background: var(--warning-container);
    color: var(--on-warning-container);
}
.badge-neutral {
    background: var(--surface-variant);
    color: var(--text-secondary);
}

/* Botones específicos */
.btn-success {
    background: var(--secondary);
    color: #ffffff;
    border-color: var(--secondary);
}
.btn-success:hover {
    filter: brightness(0.9);
}

/* Spinner para botón guardando */
.spinner-sm {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Modales y métricas */
.modal-lg {
    max-width: 960px;
    width: 95%;
}
.modal-md {
    max-width: 780px;
    width: 95%;
}
.modal-sm {
    max-width: 500px;
    width: 95%;
}
.drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    padding: 28px 16px;
    text-align: center;
    background: var(--surface-variant);
    transition: var(--transition);
}
.drop-zone-icon {
    font-size: 2.4rem;
    margin-bottom: 8px;
}
.audit-metrics-grid, .pay-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}
.metric-card {
    background: var(--surface);
    padding: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    text-align: center;
}
.metric-card-val {
    font-size: 1.3rem;
    font-weight: 700;
}
.metric-card-lbl {
    font-size: 0.72rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
}
.metric-card-success {
    background: var(--success-container);
    color: var(--on-success-container);
    border-color: var(--success);
}
.metric-card-warning {
    background: var(--warning-container);
    color: var(--on-warning-container);
    border-color: var(--warning);
}
.metric-card-error {
    background: var(--error-container);
    color: var(--on-error-container);
    border-color: var(--error);
}

.payment-header {
    background: linear-gradient(135deg, var(--secondary) 0%, #10b981 100%);
    color: #ffffff;
}
.payment-header h3 {
    color: #ffffff;
}
.pay-mode-box {
    background: var(--secondary-container);
    border: 1px solid var(--secondary);
    border-radius: var(--radius-sm);
    padding: 14px;
    margin-bottom: 18px;
    color: var(--on-secondary-container);
}
.table-scroll-container {
    max-height: 260px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow-y: auto;
}
.modal-footer-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.app-footer {
    text-align: center;
    padding: 24px 16px;
    margin-top: 40px;
    border-top: 1px solid var(--border);
    font-size: 0.78rem;
    color: var(--text-secondary);
}

/* Empty Table State & Skeleton */
.empty-table-cell {
    text-align: center;
    padding: 48px 16px !important;
}
.empty-table-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    max-width: 360px;
    margin: 0 auto;
}
.empty-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}
.empty-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}
.empty-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* Skeleton Loading */
.skeleton-shimmer {
    background: linear-gradient(90deg, var(--surface-variant) 25%, var(--border) 50%, var(--surface-variant) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
}
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.modal-close-btn {
    padding: 6px 12px;
    border-radius: 50%;
    font-size: 1rem;
    border: none;
    background: transparent;
    cursor: pointer;
}
.modal-close-btn:hover {
    background: var(--surface-variant);
}
.text-center {
    text-align: center;
}
.modal-prompt-actions, .modal-confirm-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}
.family-prev-box {
    text-align: left;
    background: var(--primary-container);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px;
    margin-bottom: 20px;
    max-height: 180px;
    overflow-y: auto;
}