:root {
    --sidebar-width: 250px;
    --primary-color: #0d6efd;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1d20;
    --text-light: #212529;
    --text-dark: #e9ecef;
    --modal-bg: #ffffff;
    --modal-body-bg: #ffffff;
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --input-color: #333333;
    --border-color: #dee2e6;
    --muted-text: #888888;
}

[data-bs-theme="dark"] {
    --bg-light: #1a1d20;
    --text-light: #e9ecef;
    --modal-bg: #2c3034;
    --modal-body-bg: #2c3034;
    --card-bg: #2c3034;
    --input-bg: #343a40;
    --input-color: #f8f9fa;
    --border-color: #495057;
    --muted-text: #adb5bd;
}

body {
    font-size: 0.8rem;
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-light);
    transition: background-color 0.3s, color 0.3s;
}

/* Global Uppercase for inputs */
input:not([type="password"]):not([type="email"]):not([type="color"]):not([type="file"]):not([type="checkbox"]):not([type="radio"]),
textarea {
    text-transform: uppercase;
}


[data-bs-theme="dark"] body {
    background-color: var(--bg-dark);
    color: var(--text-dark);
}

/* Common Modal and Form Styles */
.modal-content {
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--modal-bg);
    border: 1px solid var(--border-color);
}

.modal-header {
    background-color: var(--primary-color);
    color: white;
    padding: 1.25rem 1.5rem;
    border: none;
}

.modal-body {
    padding: 2rem;
    background-color: var(--modal-body-bg);
}

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

.form-group-custom {
    position: relative;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg);
    padding-top: 20px;
}

.form-label {
    color: var(--muted-text);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: none;
    margin-bottom: 2px;
    position: absolute;
    top: 8px;
    left: 12px;
    z-index: 10;
    pointer-events: none;
}

.form-control-custom {
    border: none !important;
    box-shadow: none !important;
    padding: 10px 12px;
    font-weight: 500;
    color: var(--input-color);
    width: 100%;
    background: transparent;
}

[data-bs-theme="dark"] .form-control-custom {
    color: var(--input-color);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

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

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

[data-bs-theme="dark"] .table-striped>tbody>tr:nth-of-type(odd)>* {
    --bs-table-accent-bg: rgba(255, 255, 255, 0.05);
    color: var(--text-dark);
}

[data-bs-theme="dark"] .list-group-item {
    background-color: var(--input-bg);
    border-color: var(--border-color);
    color: var(--text-dark);
}

/* Select2 Theme Overrides */
.select2-container--bootstrap-5 .select2-selection {
    border: 1px solid var(--border-color) !important;
    background-color: var(--input-bg) !important;
    color: var(--input-color) !important;
}

[data-bs-theme="dark"] .select2-container--bootstrap-5 .select2-selection {
    color: var(--input-color) !important;
}

[data-bs-theme="dark"] .select2-container--bootstrap-5 .select2-dropdown {
    background-color: var(--modal-bg);
    border-color: var(--border-color);
}

[data-bs-theme="dark"] .select2-container--bootstrap-5 .select2-results__option {
    color: var(--text-dark);
}

[data-bs-theme="dark"] .select2-container--bootstrap-5 .select2-search__field {
    background-color: var(--bg-dark);
    color: var(--text-dark);
    border-color: var(--border-color);
}

/* Table Header Theme */
.table thead th {
    background-color: var(--bg-light) !important;
    color: var(--muted-text);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
}

[data-bs-theme="dark"] .table thead th {
    background-color: #343a40 !important;
    color: var(--text-dark);
}

.sidebar {
    height: 100vh;
    width: var(--sidebar-width);
    position: fixed;
    top: 0;
    left: 0;
    background-color: #ffffff;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    z-index: 1000;
}

[data-bs-theme="dark"] .sidebar {
    background-color: #2c3034;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
}

.main-content {
    margin-left: var(--sidebar-width);
    padding: 20px;
    transition: margin-left 0.3s;
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

[data-bs-theme="dark"] .sidebar-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-menu {
    padding: 20px 0;
}

.sidebar-link {
    display: block;
    padding: 12px 25px;
    color: inherit;
    text-decoration: none;
    transition: all 0.2s;
    border-left: 4px solid transparent;
}

.sidebar-link:hover,
.sidebar-link.active {
    background-color: rgba(13, 110, 253, 0.1);
    border-left-color: var(--primary-color);
    color: var(--primary-color);
}

.card {
    border: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s;
}

.card-hover:hover {
    transform: translateY(-5px);
    cursor: pointer;
}

[data-bs-theme="dark"] .card {
    background-color: #2c3034;
}

.floating-input {
    background-color: white;
}

[data-bs-theme="dark"] .floating-input {
    background-color: #2c3034;
    color: white;
    border-color: #495057;
}

@media (max-width: 768px) {
    .sidebar {
        margin-left: calc(var(--sidebar-width) * -1);
    }

    .sidebar.active {
        margin-left: 0;
    }

    .main-content {
        margin-left: 0;
    }
}

table tr {
    cursor: pointer;
}

.navbar {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    background-color: white !important;
}

[data-bs-theme="dark"] .navbar {
    background-color: #2c3034 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Profile Page Styles */
.card {
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.card-header {
    border-bottom: 2px solid #f0f0f0;
    font-weight: 600;
}

[data-bs-theme="dark"] .card-header {
    border-bottom: 2px solid #495057;
}

.text-justify {
    text-align: justify;
    padding: 10px;
}

#inventoryTable td {
    padding: 3px !important;
}

table td {
    font-size: .7rem !important;
}

#buildingsTable td {
    padding: 3px !important;
}

#roomsTable td {
    padding: 3px !important;
}

@media (min-width: 768px) {
    .border-start-md {
        border-left: 1px solid #dee2e6 !important;
    }
}

#taggedItemsTable small {
    font-size: 0.75rem;
    color: #6c757d;
}

#taggedItemsTable code {
    font-size: 0.85rem;
    color: #d63384;
    background-color: #f8f9fa;
    padding: 2px 4px;
    border-radius: 4px;
}

#teachersTable td {
    padding: 3px !important;
}