/* Custom Styles for SONACIP */

:root {
    --primary-color: #1877f2;
    --secondary-color: #6c757d;
    --accent: #8c5ff8;
    --surface: #0f172a;
    --glass: rgba(255, 255, 255, 0.06);
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: radial-gradient(circle at 10% 10%, rgba(140,95,248,0.08), transparent 30%),
                radial-gradient(circle at 90% 20%, rgba(13,110,253,0.08), transparent 25%),
                #f7f8fb;
}

main {
    flex: 1;
}

.section-hero {
    background: linear-gradient(120deg, rgba(13,110,253,0.18), rgba(140,95,248,0.18));
    border-radius: 18px;
    padding: 24px;
    color: #0f172a;
    position: relative;
    overflow: hidden;
}

.section-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.5), transparent 35%);
    pointer-events: none;
}

.stat-tile {
    background: white;
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    background: #eef2ff;
    color: #4338ca;
    font-weight: 600;
    font-size: 0.85rem;
}

.glass-card {
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 14px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.card-hover {
    transition: all 0.25s ease;
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12);
}

.post-card {
    transition: transform 0.2s;
}

.post-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.avatar-sm {
    width: 40px;
    height: 40px;
    object-fit: cover;
}

.avatar-md {
    width: 80px;
    height: 80px;
    object-fit: cover;
}

.avatar-lg {
    width: 150px;
    height: 150px;
    object-fit: cover;
}

.avatar-ring {
    position: relative;
    display: inline-block;
}

.avatar-ring::after {
    content: "";
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(13,110,253,0.2);
}

.cover-photo {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

/* Utility classes */
.cursor-pointer {
    cursor: pointer;
}


.timeline-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1877f2, #8c5ff8);
    box-shadow: 0 0 0 6px rgba(13,110,253,0.12);
}

.timeline-line {
    width: 2px;
    background: linear-gradient(to bottom, rgba(13,110,253,0.25), rgba(140,95,248,0.25));
}

.chip {
    padding: 6px 10px;
    border-radius: 10px;
    background: #f1f5f9;
    font-weight: 600;
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
}

.btn-follow {
    min-width: 100px;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

@media (max-width: 768px) {
    .table-responsive {
        font-size: 0.875rem;
    }
}

@media print {
    .no-print {
        display: none !important;
    }
}

/* Dark theme overrides */
body[data-theme="dark"] {
    background: #0b1220;
    color: #e2e8f0;
}

body[data-theme="dark"] a { color: #93c5fd; }

body[data-theme="dark"] .card,
body[data-theme="dark"] .glass-card,
body[data-theme="dark"] .modal-content {
    background: rgba(17, 24, 39, 0.9);
    color: #e5e7eb;
    border-color: rgba(148, 163, 184, 0.2);
}

body[data-theme="dark"] .section-hero {
    color: #e5e7eb;
}

body[data-theme="dark"] .navbar,
body[data-theme="dark"] .footer,
body[data-theme="dark"] footer {
    background-color: #0f172a !important;
}

body[data-theme="dark"] .table { color: #e5e7eb; }

body[data-theme="dark"] .form-control,
body[data-theme="dark"] .form-select {
    background-color: #0f172a;
    color: #e5e7eb;
    border-color: #1f2937;
}

body[data-theme="dark"] .btn-outline-dark {
    color: #e5e7eb;
    border-color: #4b5563;
}

/* ========================================
   SIDEBAR NAVIGATION
   ======================================== */

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 240px;
    height: 100vh;
    background: linear-gradient(180deg, #1e3a5f 0%, #0d2137 100%);
    color: #fff;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: width 0.3s ease, transform 0.3s ease;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar-brand {
    padding: 20px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
}

.sidebar-brand-link i {
    font-size: 1.5rem;
    min-width: 32px;
    text-align: center;
}

.sidebar.collapsed .sidebar-brand-text,
.sidebar.collapsed .sidebar-text {
    opacity: 0;
    visibility: hidden;
    width: 0;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 16px 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu-bottom {
    margin-top: auto;
}

.sidebar-item {
    position: relative;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-size: 0.95rem;
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.sidebar-link i {
    font-size: 1.25rem;
    min-width: 24px;
    text-align: center;
}

.sidebar-text {
    white-space: nowrap;
    transition: opacity 0.2s ease, width 0.2s ease;
}

.sidebar-badge {
    position: absolute;
    top: 8px;
    left: 36px;
    background: #dc3545;
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.sidebar.collapsed .sidebar-badge {
    left: 28px;
    top: 6px;
}

.sidebar-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.sidebar-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 16px 20px;
}

.sidebar-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1050;
    background: var(--primary-color, #1877f2);
    color: #fff;
    border: none;
    border-radius: 8px;
    width: 44px;
    height: 44px;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease;
}

.sidebar-toggle:hover {
    transform: scale(1.05);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1035;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* Tooltip for sidebar icons */
.sidebar .sidebar-link {
    position: relative;
}

.sidebar .sidebar-link[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: #1e3a5f;
    color: #fff;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    margin-left: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1060;
    pointer-events: none;
}

.sidebar .sidebar-link[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Body adjustment for sidebar */
body.has-sidebar {
    padding-left: 240px;
    transition: padding-left 0.3s ease;
}

body.has-sidebar.sidebar-collapsed {
    padding-left: 70px;
}

body.has-sidebar .navbar {
    display: none;
}

body.has-sidebar footer {
    margin-left: 0;
}

/* Responsive: Tablet */
@media (max-width: 991px) {
    .sidebar {
        width: 70px;
    }
    
    .sidebar .sidebar-brand-text,
    .sidebar .sidebar-text {
        opacity: 0;
        visibility: hidden;
        width: 0;
    }
    
    
    body.has-sidebar {
        padding-left: 70px;
    }
}

/* Responsive: Mobile */
@media (max-width: 767px) {
    .sidebar {
        width: 240px;
        transform: translateX(-100%);
        padding-top: env(safe-area-inset-top, 0);
        padding-bottom: env(safe-area-inset-bottom, 0);
        padding-left: env(safe-area-inset-left, 0);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar .sidebar-brand-text,
    .sidebar .sidebar-text {
        opacity: 1;
        visibility: visible;
        width: auto;
    }
    
    .sidebar .sidebar-link::after {
        display: none;
    }
    
    .sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        top: calc(16px + env(safe-area-inset-top, 0));
        left: calc(16px + env(safe-area-inset-left, 0));
    }
    
    body.has-sidebar {
        padding-left: 0;
    }
}

/* iOS safe area insets */
@supports (padding: env(safe-area-inset-top)) {
    body {
        padding-top: env(safe-area-inset-top);
    }

    footer {
        padding-bottom: calc(1rem + env(safe-area-inset-bottom, 0)) !important;
    }

    .sidebar-toggle {
        top: calc(16px + env(safe-area-inset-top, 0));
    }
}

/* iOS-specific fixes */
@supports (-webkit-touch-callout: none) {
    html {
        height: -webkit-fill-available;
    }
    body {
        min-height: -webkit-fill-available;
    }
    .sidebar {
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }
    main {
        -webkit-overflow-scrolling: touch;
    }
    .sidebar-link,
    .btn,
    button,
    a {
        -webkit-tap-highlight-color: rgba(24, 119, 242, 0.15);
    }
    .sidebar-toggle {
        -webkit-tap-highlight-color: transparent;
    }
    .sidebar-link {
        min-height: 44px;
    }
    .btn {
        min-height: 44px;
    }
}

/* Mobile touch targets */
@media (max-width: 767px) {
    input, textarea, select {
        font-size: 16px !important;
    }
    .sidebar-link {
        min-height: 44px;
        padding: 12px 20px;
    }
    .btn-sm {
        min-height: 36px;
        padding: 6px 12px;
    }
    .card {
        border-radius: 14px;
    }
    .modal-dialog {
        margin: 0.5rem;
    }
    .modal-content {
        border-radius: 16px;
    }
    h1, .h1 { font-size: 1.75rem; }
    h2, .h2 { font-size: 1.5rem; }
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
}

/* Dark theme sidebar adjustments */
body[data-theme="dark"] .sidebar {
    background: linear-gradient(180deg, #0f172a 0%, #020617 100%);
}

body[data-theme="dark"] .sidebar-link::after {
    background: #0f172a;
}

/* Calendar grid clickable cells */
.calendar-cell-clickable {
    cursor: pointer;
    transition: background-color 0.15s ease;
    min-height: 60px;
}

.calendar-cell-clickable:hover {
    background-color: rgba(13, 110, 253, 0.08);
}

.calendar-cell-clickable.has-events:hover {
    background-color: rgba(13, 110, 253, 0.12);
}

/* Performance Optimizations */
* {
    /* Improved font rendering for better readability */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, video {
    /* Prevent layout shift */
    max-width: 100%;
    height: auto;
}

/* GPU acceleration only for elements that are actively being animated 
   Note: will-change should ideally be added dynamically before animations 
   and removed after, but for simplicity we apply it to known animated elements */

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Enhanced mobile responsiveness */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    
    .stat-tile {
        padding: 12px;
    }
    
    .section-hero {
        padding: 16px;
    }
    
    /* Touch-friendly buttons - only for button-like elements */
    button, .btn, a.btn, a[role="button"], 
    input[type="submit"], input[type="button"], input[type="reset"] {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Prevent horizontal scroll */
    html, body {
        overflow-x: hidden;
    }
}

/* Loading state improvements */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spinner 0.6s linear infinite;
}

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

/* Error states with better visibility */
.is-invalid {
    border-color: #dc3545 !important;
    animation: shake 0.3s;
}

.invalid-feedback {
    display: block;
    color: #dc3545;
    font-size: 0.875em;
    margin-top: 0.25rem;
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip to main content link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* ========================================
   COMPREHENSIVE MOBILE OPTIMIZATION
   ======================================== */

/* Small Mobile Devices (320px - 374px) */
@media (max-width: 374px) {
    body {
        font-size: 13px;
    }
    
    h1, .h1 { font-size: 1.5rem; }
    h2, .h2 { font-size: 1.35rem; }
    h3, .h3 { font-size: 1.2rem; }
    h4, .h4 { font-size: 1.1rem; }
    h5, .h5 { font-size: 1rem; }
    h6, .h6 { font-size: 0.9rem; }
    
    .container {
        padding-left: 12px;
        padding-right: 12px;
    }
    
    .btn {
        font-size: 0.875rem;
        padding: 10px 16px;
    }
    
    .card {
        margin-bottom: 12px;
    }
}

/* Large Mobile Devices (375px - 767px) */
@media (min-width: 375px) and (max-width: 767px) {
    body {
        font-size: 14px;
    }
    
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
}

/* Tablet Devices (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .container {
        max-width: 720px;
    }
}

/* Enhanced Mobile Styles (up to 767px) */
@media (max-width: 767px) {
    /* Typography - Readable sizes */
    body {
        line-height: 1.6;
    }
    
    p {
        margin-bottom: 1rem;
    }
    
    /* Touch-friendly interactive elements - selective application */
    button, .btn, input[type="submit"], 
    input[type="button"], input[type="reset"],
    .clickable, [role="button"] {
        min-height: 48px;
        min-width: 48px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Touch-friendly links in navigation and interactive contexts */
    .nav-link, .dropdown-item, .list-group-item,
    .page-link, .sidebar-link {
        min-height: 48px;
    }
    
    /* Navigation and menus */
    .nav-link {
        padding: 12px 16px;
        font-size: 1rem;
    }
    
    /* Forms - Touch-friendly inputs */
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="tel"],
    input[type="number"],
    input[type="search"],
    input[type="url"],
    textarea,
    select {
        min-height: 48px;
        padding: 12px 16px;
        font-size: 16px; /* Prevents zoom on iOS */
        border-radius: 8px;
    }
    
    textarea {
        min-height: 120px;
    }
    
    select {
        background-size: 20px;
        padding-right: 40px;
    }
    
    /* Labels */
    label {
        font-size: 0.9rem;
        margin-bottom: 8px;
        display: block;
    }
    
    .form-check-label {
        display: inline;
        margin-left: 8px;
    }
    
    /* Checkboxes and radio buttons */
    input[type="checkbox"],
    input[type="radio"] {
        width: 24px;
        height: 24px;
        margin: 0;
    }
    
    /* Cards - Better spacing */
    .card {
        border-radius: 12px;
        margin-bottom: 16px;
    }
    
    .card-body {
        padding: 16px;
    }
    
    .card-title {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    
    /* Tables - Responsive behavior */
    .table-responsive {
        border-radius: 8px;
        margin-bottom: 1rem;
    }
    
    table {
        font-size: 0.875rem;
    }
    
    th, td {
        padding: 12px 8px;
        white-space: nowrap;
    }
    
    /* Stack table on very small screens */
    @media (max-width: 480px) {
        table.table-stack thead {
            display: none;
        }
        
        table.table-stack tbody,
        table.table-stack tr,
        table.table-stack td {
            display: block;
            width: 100%;
        }
        
        table.table-stack tr {
            margin-bottom: 15px;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            padding: 12px;
        }
        
        table.table-stack td {
            text-align: right;
            padding: 8px;
            position: relative;
            padding-left: 50%;
            white-space: normal;
        }
        
        table.table-stack td:before {
            content: attr(data-label);
            position: absolute;
            left: 12px;
            width: 45%;
            padding-right: 10px;
            white-space: nowrap;
            text-align: left;
            font-weight: bold;
        }
    }
    
    /* Modals - Full screen on mobile */
    .modal-dialog {
        margin: 0;
        max-width: 100%;
        height: 100vh;
    }
    
    .modal-content {
        height: 100%;
        border-radius: 0;
        border: none;
    }
    
    .modal-header,
    .modal-footer {
        padding: 16px;
    }
    
    .modal-body {
        padding: 20px 16px;
        overflow-y: auto;
    }
    
    /* Alerts */
    .alert {
        border-radius: 8px;
        padding: 12px 16px;
        font-size: 0.9rem;
    }
    
    /* Badges and pills */
    .badge {
        padding: 6px 12px;
        font-size: 0.8rem;
        border-radius: 20px;
    }
    
    /* Spacing utilities */
    .mb-mobile-3 {
        margin-bottom: 1rem !important;
    }
    
    .mt-mobile-3 {
        margin-top: 1rem !important;
    }
    
    .px-mobile-2 {
        padding-left: 0.5rem !important;
        padding-right: 0.5rem !important;
    }
    
    .py-mobile-2 {
        padding-top: 0.5rem !important;
        padding-bottom: 0.5rem !important;
    }
    
    /* Images - Responsive */
    img {
        max-width: 100%;
        height: auto;
    }
    
    /* Dashboard specific */
    .dash-card {
        margin-bottom: 16px;
    }
    
    .dash-stat-card {
        padding: 16px;
    }
    
    /* Grid columns - Full width on mobile */
    .row > [class*="col-"] {
        padding-left: 12px;
        padding-right: 12px;
    }
    
    /* Breadcrumbs */
    .breadcrumb {
        font-size: 0.85rem;
        padding: 8px 12px;
        flex-wrap: wrap;
    }
    
    /* Pagination */
    .pagination {
        font-size: 0.9rem;
    }
    
    .page-link {
        padding: 8px 12px;
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Dropdowns */
    .dropdown-menu {
        font-size: 0.95rem;
        border-radius: 12px;
    }
    
    .dropdown-item {
        padding: 12px 16px;
        min-height: 48px;
    }
    
    /* List groups */
    .list-group-item {
        padding: 14px 16px;
        border-radius: 8px;
    }
    
    /* Progress bars */
    .progress {
        height: 24px;
        border-radius: 12px;
    }
    
    /* Tooltips and popovers - Larger on touch */
    .tooltip-inner {
        font-size: 0.9rem;
        padding: 8px 12px;
    }
    
    .popover {
        font-size: 0.9rem;
    }
    
    /* Sidebar adjustments */
    .sidebar {
        font-size: 0.95rem;
    }
    
    /* Footer */
    footer {
        font-size: 0.85rem;
        padding: 20px 0;
    }
    
    /* Prevent text selection on double-tap */
    .no-select-mobile {
        -webkit-user-select: none;
        user-select: none;
    }
    
    /* Smooth scroll for mobile */
    html {
        scroll-behavior: smooth;
    }
    
    /* Hide desktop-only elements */
    .d-mobile-none {
        display: none !important;
    }
    
    /* Show mobile-only elements */
    .d-mobile-block {
        display: block !important;
    }
    
    .d-mobile-flex {
        display: flex !important;
    }
    
    /* Safe area padding for notched devices */
    body {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }
    
    /* Horizontal scrolling for wide content */
    .overflow-x-auto {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* Landscape orientation on mobile */
@media (max-width: 767px) and (orientation: landscape) {
    body {
        font-size: 13px;
    }
    
    .modal-dialog {
        height: auto;
        max-height: 100vh;
    }
    
    h1, .h1 { font-size: 1.5rem; }
    h2, .h2 { font-size: 1.35rem; }
}

/* High DPI screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Optimize for retina displays */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}