/* ======================================
   Animation Classes
   ====================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ======================================
   Cards (General)
   ====================================== */
.card {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all var(--transition);
}

.card:hover {
    box-shadow: 0 8px 24px var(--shadow);
}

.card .card-icon {
    display: block;
    margin: 0 auto 0.5rem;
    font-size: 2rem;
    color: var(--accent);
    transition: color var(--transition), transform var(--transition);
}

.card:hover .card-icon {
    transform: scale(1.15);
}

/* ======================================
   Skill tags (adapt to theme via CSS variables)
   ====================================== */
.skill-tag {
    display: inline-block;
    background: var(--surface);
    color: var(--text);
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin: 0.25rem;
    border: 1px solid var(--border);
    transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.skill-card:hover .skill-tag {
    background: var(--accent-on-fill);
    color: #fff;
    border-color: var(--accent-on-fill);
}

/* ======================================
   Form Controls
   ====================================== */
.form-control {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border);
    transition: all var(--transition);
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 0.2rem rgba(56, 161, 105, 0.25);
}

body.dark-mode .form-control {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

/* ======================================
   Badges & Tags
   ====================================== */
.badge-gis {
    background-color: var(--accent-on-fill);
    color: #fff;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* ======================================
   Loading Spinner
   ====================================== */
.spinner-gis {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ======================================
   Responsive Utilities
   ====================================== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-desc {
        font-size: 1rem;
    }

    .contact-links {
        width: 100%;
    }

    .contact-link {
        width: 100%;
        max-width: 280px;
    }
}

/* ======================================
   Logout Card
   ====================================== */
.logout-card {
    max-width: 400px;
}

/* ======================================
   Dark Mode – Bootstrap Component Overrides
   ====================================== */

/* Card headers */
body.dark-mode .card-header {
    background-color: var(--background);
    color: var(--text);
    border-bottom-color: var(--border);
    border-top-left-radius: inherit;
    border-top-right-radius: inherit;
}

/* Outline secondary buttons */
body.dark-mode .btn-outline-secondary {
    color: var(--text-muted);
    border-color: var(--border);
}

body.dark-mode .btn-outline-secondary:hover,
body.dark-mode .btn-outline-secondary:focus {
    background-color: var(--border);
    color: var(--text);
    border-color: var(--border);
}

/* Tables */
body.dark-mode .table {
    --bs-table-bg: var(--surface);
    --bs-table-striped-bg: var(--background);
    --bs-table-hover-bg: var(--background);
    --bs-table-border-color: var(--border);
    color: var(--text);
    border-color: var(--border);
}

body.dark-mode .table > :not(caption) > * > * {
    background-color: transparent;
    color: var(--text);
    border-bottom-color: var(--border);
}

body.dark-mode .table thead th,
body.dark-mode .table thead td {
    background-color: var(--background);
    color: var(--text);
    border-bottom-color: var(--border);
}

body.dark-mode .table tbody tr {
    background-color: var(--surface);
    color: var(--text);
}

body.dark-mode .table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--background);
    color: var(--text);
}

body.dark-mode .table-hover > tbody > tr:hover > * {
    background-color: var(--background);
    color: var(--text);
}

/* Alerts */
body.dark-mode .alert-info {
    background-color: rgba(49, 130, 206, 0.15);
    color: #90cdf4;
    border-color: rgba(49, 130, 206, 0.3);
}

body.dark-mode .alert-success {
    background-color: rgba(56, 161, 105, 0.15);
    color: #9ae6b4;
    border-color: rgba(56, 161, 105, 0.3);
}

body.dark-mode .alert-warning {
    background-color: rgba(214, 158, 46, 0.15);
    color: #fbd38d;
    border-color: rgba(214, 158, 46, 0.3);
}

body.dark-mode .alert-danger {
    background-color: rgba(229, 62, 62, 0.15);
    color: #feb2b2;
    border-color: rgba(229, 62, 62, 0.3);
}

/* Form controls */
body.dark-mode .form-control::placeholder,
body.dark-mode .form-select::placeholder,
body.dark-mode textarea::placeholder,
body.dark-mode input::placeholder {
    color: var(--text-muted);
    opacity: 1;
}

body.dark-mode .form-select {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

body.dark-mode .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 0.2rem rgba(56, 161, 105, 0.25);
}

body.dark-mode .input-group-text {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

/* List group */
body.dark-mode .list-group-item {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

body.dark-mode .list-group-item-action:hover,
body.dark-mode .list-group-item-action:focus {
    background-color: var(--background);
    color: var(--text);
}

/* Modals */
body.dark-mode .modal-content {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

body.dark-mode .modal-header,
body.dark-mode .modal-footer {
    border-color: var(--border);
}

body.dark-mode .modal .btn-close {
    filter: invert(1) grayscale(1);
}

/* Dropdowns */
body.dark-mode .dropdown-menu {
    background-color: var(--surface);
    border-color: var(--border);
    box-shadow: 0 4px 12px var(--shadow);
}

body.dark-mode .dropdown-item {
    color: var(--text);
}

body.dark-mode .dropdown-item:hover,
body.dark-mode .dropdown-item:focus {
    background-color: var(--background);
    color: var(--text);
}

body.dark-mode .dropdown-divider {
    border-color: var(--border);
}

/* Nav tabs */
body.dark-mode .nav-tabs {
    border-bottom-color: var(--border);
}

body.dark-mode .nav-tabs .nav-link {
    color: var(--text-muted);
    border-color: transparent;
}

body.dark-mode .nav-tabs .nav-link:hover,
body.dark-mode .nav-tabs .nav-link:focus {
    border-color: var(--border) var(--border) transparent;
    color: var(--text);
}

body.dark-mode .nav-tabs .nav-link.active,
body.dark-mode .nav-tabs .nav-item.show .nav-link {
    background-color: var(--surface);
    border-color: var(--border) var(--border) var(--surface);
    color: var(--text);
}

/* Badges */
body.dark-mode .badge.text-bg-secondary {
    background-color: var(--text-muted) !important;
    color: var(--background) !important;
}

body.dark-mode .badge.text-bg-light {
    background-color: var(--surface) !important;
    color: var(--text) !important;
}

body.dark-mode .badge.text-bg-dark {
    background-color: var(--background) !important;
    color: var(--text) !important;
}

/* ======================================
   Dark Mode – DataTables Overrides
   ====================================== */

body.dark-mode table.dataTable thead th,
body.dark-mode table.dataTable thead td {
    background-color: var(--background);
    color: var(--text);
    border-bottom-color: var(--border);
}

body.dark-mode table.dataTable tbody tr {
    background-color: var(--surface);
}

body.dark-mode table.dataTable tbody tr.odd {
    background-color: var(--background);
}

body.dark-mode table.dataTable tbody tr.even {
    background-color: var(--surface);
}

body.dark-mode table.dataTable tbody td {
    color: var(--text);
    border-top-color: var(--border);
}

body.dark-mode .dataTables_wrapper .dataTables_filter label,
body.dark-mode .dataTables_wrapper .dataTables_length label {
    color: var(--text);
}

body.dark-mode .dataTables_wrapper .dataTables_filter input {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

body.dark-mode .dataTables_wrapper .dataTables_filter input::placeholder {
    color: var(--text-muted);
    opacity: 1;
}

body.dark-mode .dataTables_wrapper .dataTables_length select {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

body.dark-mode .dataTables_wrapper .dataTables_length select option {
    background-color: var(--surface);
    color: var(--text);
}

body.dark-mode .dataTables_wrapper .dataTables_info {
    color: var(--text-muted);
}

body.dark-mode .dataTables_wrapper .dataTables_paginate .paginate_button {
    color: var(--text) !important;
    background: var(--surface) !important;
    border-color: var(--border) !important;
}

body.dark-mode .dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--accent-on-fill) !important;
    color: #fff !important;
    border-color: var(--accent-on-fill) !important;
}

body.dark-mode .dataTables_wrapper .dataTables_paginate .paginate_button.current,
body.dark-mode .dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
    background: var(--accent-on-fill) !important;
    color: #fff !important;
    border-color: var(--accent-on-fill) !important;
}

body.dark-mode .dataTables_wrapper .dataTables_paginate .paginate_button.disabled,
body.dark-mode .dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover {
    color: var(--text-muted) !important;
    background: var(--surface) !important;
    border-color: var(--border) !important;
    opacity: 0.6;
}