/* ========================================
   MODERN CONSTRUCTION WEBSITE DESIGN
   Light Grey Palette with Dark Mode
   ======================================== */

:root {
    /* Light Mode Colors */
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --border-color: #dee2e6;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --accent-primary: #2563eb;
    --accent-secondary: #3b82f6;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --navbar-bg: #ffffff;
    --navbar-text: #212529;
    --card-bg: #ffffff;
}

[data-theme="dark"] {
    /* Dark Mode Colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    --text-muted: #6c757d;
    --border-color: #495057;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --accent-primary: #3b82f6;
    --accent-secondary: #60a5fa;
    --accent-success: #34d399;
    --accent-warning: #fbbf24;
    --accent-danger: #f87171;
    --navbar-bg: #2d2d2d;
    --navbar-text: #f8f9fa;
    --card-bg: #2d2d2d;
}

/* Ensure good contrast in dark mode */
[data-theme="dark"] .text-dark {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .text-muted,
[data-theme="dark"] .text-secondary {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .bg-light {
    background-color: var(--bg-tertiary) !important;
}

[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-muted) !important;
    opacity: 1;
}

[data-theme="dark"] .form-control::placeholder {
    color: var(--text-muted) !important;
    opacity: 1;
}

/* Base Styles */
html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
}

.main-content {
    flex: 1;
    padding-top: 2rem;
    padding-bottom: 4rem;
}

/* Navbar Styles */
.navbar {
    background-color: var(--navbar-bg) !important;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-weight: 700;
    color: var(--navbar-text) !important;
    font-size: 1.5rem;
}

.navbar-brand img {
    height: 50px;
    width: auto;
    margin-right: 0.75rem;
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.nav-link {
    color: var(--navbar-text) !important;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem !important;
}

.nav-link:hover {
    color: var(--accent-primary) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* Dark Mode Toggle */
.theme-toggle {
    background: var(--bg-tertiary);
    border: none;
    border-radius: 50px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.theme-toggle:hover {
    background: var(--accent-primary);
    color: white;
    transform: scale(1.05);
}

/* Cards & Containers */
.card {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.card-img-top {
    border-radius: 12px 12px 0 0;
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

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

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-secondary {
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
    background: transparent;
}

.btn-outline-secondary:hover {
    background: var(--accent-primary);
    color: white;
}

/* Form Controls */
.form-control, .form-select {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

.form-label {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Badges & Tags */
.badge {
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    font-weight: 600;
    font-size: 0.85rem;
}

.bg-warning {
    background-color: var(--accent-warning) !important;
}

.bg-success {
    background-color: var(--accent-success) !important;
}

.bg-secondary {
    background-color: var(--text-secondary) !important;
}

/* Carousel Enhancements */
.carousel-item img {
    border-radius: 12px;
}

.carousel-caption {
    background: rgba(0, 0, 0, 0.7);
    border-radius: 8px;
    padding: 1rem 2rem;
    backdrop-filter: blur(10px);
}

/* Alerts */
.alert {
    border-radius: 8px;
    border: none;
    box-shadow: var(--shadow-sm);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--accent-success);
    border-left: 4px solid var(--accent-success);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--accent-danger);
    border-left: 4px solid var(--accent-danger);
}

/* Tables */
.table {
    color: var(--text-primary);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--bg-tertiary);
}

/* Footer */
.footer {
    background-color: var(--navbar-bg);
    color: var(--text-secondary);
    padding: 2rem 0;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    position: relative;
    width: 100%;
}

/* Icons & Emojis */
.icon {
    font-size: 1.2rem;
    margin-right: 0.5rem;
}

/* Gallery Grid Improvements */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Hero Section */
.hero {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: 12px;
    margin-bottom: 3rem;
}

/* Loading States */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Navbar toggler visible in dark mode */
[data-theme="dark"] .navbar-toggler {
    border-color: var(--border-color);
}

[data-theme="dark"] .navbar-toggler-icon {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Prevent iOS zoom on input focus (must be >= 16px) */
@media (max-width: 767.98px) {
    input[type="text"],
    input[type="email"],
    input[type="url"],
    input[type="password"],
    input[type="number"],
    input[type="tel"],
    input[type="search"],
    textarea,
    select,
    .form-control,
    .form-select {
        font-size: 16px !important;
    }
}

/* Admin toolbar - responsive grid */
.admin-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.admin-toolbar .btn {
    white-space: nowrap;
}

@media (max-width: 991.98px) {
    .admin-toolbar {
        width: 100%;
    }

    .admin-toolbar .btn {
        flex: 1 1 calc(50% - 0.5rem);
        min-width: 0;
        padding: 0.6rem 0.75rem;
        font-size: 0.85rem;
        text-align: center;
        justify-content: center;
    }
}

@media (max-width: 575.98px) {
    .admin-toolbar .btn {
        flex: 1 1 100%;
    }
}

/* Responsive Utilities */
@media (max-width: 768px) {
    .navbar-brand img {
        height: 40px;
    }
    
    .hero {
        padding: 2rem 0;
    }
}

/* Form Floating Placeholders */
.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
    color: var(--text-muted);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ========================================
   DARK MODE COMPREHENSIVE FIXES
   ======================================== */

/* Cards, card-headers, card-footers */
[data-theme="dark"] .card {
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .card-header,
[data-theme="dark"] .card-footer {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .card-footer.bg-transparent {
    background-color: transparent !important;
}

[data-theme="dark"] .card-title,
[data-theme="dark"] .card-text {
    color: var(--text-primary) !important;
}

/* Alerts in dark mode */
[data-theme="dark"] .alert-info {
    background-color: rgba(59, 130, 246, 0.15) !important;
    color: var(--accent-secondary) !important;
    border-left: 4px solid var(--accent-primary) !important;
    border-top: none;
    border-right: none;
    border-bottom: none;
}

[data-theme="dark"] .alert-warning {
    background-color: rgba(251, 191, 36, 0.15) !important;
    color: var(--accent-warning) !important;
    border-left: 4px solid var(--accent-warning) !important;
    border-top: none;
    border-right: none;
    border-bottom: none;
}

[data-theme="dark"] .alert-secondary {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .alert .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Tables */
[data-theme="dark"] .table {
    color: var(--text-primary) !important;
    --bs-table-bg: transparent;
    --bs-table-striped-bg: var(--bg-tertiary);
    --bs-table-hover-bg: var(--bg-tertiary);
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .table thead {
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .table thead th {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .table td,
[data-theme="dark"] .table th {
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    --bs-table-bg-type: var(--bg-tertiary);
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(even) > * {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    --bs-table-bg-type: var(--bg-secondary);
}

[data-theme="dark"] .table > tbody > tr > td {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .table-responsive {
    border-color: var(--border-color);
}

/* Code elements */
[data-theme="dark"] code {
    color: #e879f9 !important;
    background-color: var(--bg-tertiary);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
}

/* Buttons that break in dark mode */
[data-theme="dark"] .btn-dark {
    background-color: var(--bg-tertiary) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .btn-dark:hover {
    background-color: var(--border-color) !important;
}

[data-theme="dark"] .btn-info {
    background-color: #0ea5e9 !important;
    border-color: #0ea5e9 !important;
    color: #fff !important;
}

[data-theme="dark"] .btn-warning {
    color: #000 !important;
}

[data-theme="dark"] .btn-outline-primary {
    color: var(--accent-secondary) !important;
    border-color: var(--accent-secondary) !important;
}

[data-theme="dark"] .btn-outline-primary:hover {
    background-color: var(--accent-primary) !important;
    color: #fff !important;
}

/* Borders */
[data-theme="dark"] .border {
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .border-dashed {
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .rounded.border,
[data-theme="dark"] .p-3.border {
    border-color: var(--border-color) !important;
}

/* Form check / switch */
[data-theme="dark"] .form-check-input {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .form-check-input:checked {
    background-color: var(--accent-primary) !important;
    border-color: var(--accent-primary) !important;
}

[data-theme="dark"] .form-check-label {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .form-text {
    color: var(--text-muted) !important;
}

/* Dropdowns */
[data-theme="dark"] .dropdown-menu {
    background-color: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .dropdown-item:hover {
    background-color: var(--bg-tertiary) !important;
}

/* Modals */
[data-theme="dark"] .modal-content {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
    border-color: var(--border-color) !important;
}

/* Badge contrast */
[data-theme="dark"] .badge.bg-info {
    background-color: #0ea5e9 !important;
    color: #fff !important;
}

[data-theme="dark"] .badge.bg-primary {
    background-color: var(--accent-primary) !important;
}

/* Pagination */
[data-theme="dark"] .page-link {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .page-item.active .page-link {
    background-color: var(--accent-primary) !important;
    border-color: var(--accent-primary) !important;
}

/* Button group contrast */
[data-theme="dark"] .btn-group .btn-outline-primary {
    color: var(--accent-secondary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .btn-group .btn-outline-primary:hover,
[data-theme="dark"] .btn-group .btn-primary {
    background-color: var(--accent-primary) !important;
    color: #fff !important;
}

/* Headings / text */
[data-theme="dark"] h1, [data-theme="dark"] h2,
[data-theme="dark"] h3, [data-theme="dark"] h4,
[data-theme="dark"] h5, [data-theme="dark"] h6 {
    color: var(--text-primary) !important;
}

[data-theme="dark"] p {
    color: var(--text-primary);
}

[data-theme="dark"] .fw-bold {
    color: var(--text-primary);
}

/* Carousel order badge */
[data-theme="dark"] .carousel-order-badge {
    background-color: rgba(0, 0, 0, 0.7) !important;
}

/* List groups */
[data-theme="dark"] .list-group-item {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

/* Opacity cards (inactive carousel items) */
[data-theme="dark"] .opacity-50 {
    opacity: 0.45 !important;
}

/* Links */
[data-theme="dark"] a:not(.btn):not(.nav-link):not(.navbar-brand) {
    color: var(--accent-secondary);
}

[data-theme="dark"] a:not(.btn):not(.nav-link):not(.navbar-brand):hover {
    color: var(--accent-primary);
}