/* Base Styles */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3d3d3d;
    --text-primary: #e9ecef;
    --text-secondary: #adb5bd;
    --border-color: #495057;
    --primary-color: #0d6efd;
    --primary-hover: #0b5ed7;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.5);
}

/* Global Styles */
body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Navbar */
.navbar {
    background-color: var(--bg-tertiary) !important;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.navbar-dark {
    background-color: #343a40 !important;
}

[data-theme="dark"] .navbar-dark {
    background-color: #1a1a1a !important;
}

/* Cards */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.card-header {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.card-header.bg-primary {
    background-color: var(--primary-color) !important;
}

.card-header.bg-dark {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .card-header.bg-dark {
    background-color: #343a40 !important;
    color: #ffffff !important;
}

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

.table thead th {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.table thead.thead-dark th {
    background-color: #343a40;
    color: #ffffff;
}

[data-theme="dark"] .table thead.thead-dark th {
    background-color: #1a1a1a;
    color: #ffffff;
}

.table tbody tr {
    border-color: var(--border-color);
}

.table-hover tbody tr:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

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

/* Buttons */
.btn {
    transition: all 0.3s ease;
    border: 1px solid transparent;
    font-weight: 500;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff !important;
    font-weight: 600;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #ffffff !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-primary:disabled {
    background-color: var(--text-secondary);
    border-color: var(--text-secondary);
    opacity: 0.6;
    cursor: not-allowed;
}

[data-theme="dark"] .btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
    color: #ffffff !important;
}

[data-theme="dark"] .btn-primary:hover,
[data-theme="dark"] .btn-primary:focus,
[data-theme="dark"] .btn-primary:active {
    background-color: #0b5ed7;
    border-color: #0b5ed7;
    color: #ffffff !important;
}

.btn-secondary {
    background-color: #6c757d;
    border-color: #6c757d;
    color: #ffffff !important;
}

.btn-secondary:hover,
.btn-secondary:focus,
.btn-secondary:active {
    background-color: #5a6268;
    border-color: #545b62;
    color: #ffffff !important;
}

[data-theme="dark"] .btn-secondary {
    background-color: #6c757d;
    border-color: #6c757d;
    color: #ffffff !important;
}

[data-theme="dark"] .btn-secondary:hover {
    background-color: #5a6268;
    border-color: #545b62;
    color: #ffffff !important;
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
    color: #ffffff !important;
}

.btn-success:hover,
.btn-success:focus,
.btn-success:active {
    background-color: #218838;
    border-color: #1e7e34;
    color: #ffffff !important;
}

.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
    color: #ffffff !important;
}

.btn-danger:hover,
.btn-danger:focus,
.btn-danger:active {
    background-color: #c82333;
    border-color: #bd2130;
    color: #ffffff !important;
}

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: #212529 !important;
}

.btn-warning:hover,
.btn-warning:focus,
.btn-warning:active {
    background-color: #e0a800;
    border-color: #d39e00;
    color: #212529 !important;
}

.btn-info {
    background-color: var(--info-color);
    border-color: var(--info-color);
    color: #ffffff !important;
}

.btn-info:hover,
.btn-info:focus,
.btn-info:active {
    background-color: #138496;
    border-color: #117a8b;
    color: #ffffff !important;
}

.btn-link {
    color: var(--primary-color);
    text-decoration: none;
}

.btn-link:hover {
    color: var(--primary-hover);
    text-decoration: none;
}

[data-theme="dark"] .btn-link {
    color: #0dcaf0;
}

[data-theme="dark"] .btn-link:hover {
    color: #0aa2c0;
}

/* Forms */
.form-control {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.form-control:focus {
    background-color: var(--bg-primary);
    border-color: var(--primary-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-control::placeholder {
    color: var(--text-secondary);
}

.form-group label {
    color: var(--text-primary);
}

/* Alerts */
.alert {
    border: 1px solid var(--border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.alert-info {
    background-color: rgba(13, 202, 240, 0.1);
    border-color: var(--info-color);
    color: var(--info-color);
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    border-color: var(--warning-color);
    color: var(--warning-color);
}

[data-theme="dark"] .alert-info {
    background-color: rgba(13, 202, 240, 0.2);
}

[data-theme="dark"] .alert-success {
    background-color: rgba(40, 167, 69, 0.2);
}

[data-theme="dark"] .alert-danger {
    background-color: rgba(220, 53, 69, 0.2);
}

[data-theme="dark"] .alert-warning {
    background-color: rgba(255, 193, 7, 0.2);
}

/* Modals */
.modal-content {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-tertiary);
}

.modal-header.bg-primary {
    background-color: var(--primary-color) !important;
}

.modal-header.bg-danger {
    background-color: var(--danger-color) !important;
}

.modal-body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

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

/* Badges */
.badge {
    transition: all 0.3s ease;
}

/* Dark Mode Toggle */
.theme-toggle-nav {
    margin-left: 10px;
    border-radius: 0.375rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.theme-toggle-nav:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.theme-toggle-nav i {
    margin-right: 5px;
}

.theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.3);
}

/* Dropdown Menu */
.dropdown-menu {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
}

.dropdown-item {
    color: var(--text-primary);
}

.dropdown-item:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* Accordion */
.accordion .card {
    border: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
}

.accordion .card-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.accordion .card-header button {
    color: var(--text-primary);
    width: 100%;
    text-align: left;
}

.accordion .card-body {
    background-color: var(--bg-primary);
}

/* Fix for Add Button visibility */
.btn-primary,
.btn-success,
.btn-danger,
.btn-warning,
.btn-secondary {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
}

/* Button visibility improvements - ensure all buttons are visible */
.btn-primary,
.btn-success,
.btn-danger,
.btn-warning,
.btn-secondary,
.btn-info {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .btn-primary,
[data-theme="dark"] .btn-success,
[data-theme="dark"] .btn-danger,
[data-theme="dark"] .btn-warning,
[data-theme="dark"] .btn-secondary,
[data-theme="dark"] .btn-info {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.btn-sm.btn-primary,
.btn-sm.btn-secondary,
.btn-sm.btn-danger,
.btn-sm.btn-warning,
.btn-sm.btn-success,
.btn-sm.btn-info {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .btn-sm.btn-primary,
[data-theme="dark"] .btn-sm.btn-secondary,
[data-theme="dark"] .btn-sm.btn-danger,
[data-theme="dark"] .btn-sm.btn-warning,
[data-theme="dark"] .btn-sm.btn-success,
[data-theme="dark"] .btn-sm.btn-info {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* Utility Classes */
.align-items-center {
    width: 100%;
    max-width: 1200px;
    margin: auto;
    padding: 0 15px;
}

.center {
    text-align: center;
}

/* Smooth transitions */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Scrollbar styling for dark mode */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 10px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: #4d4d4d;
}