/* الوضع الليلي */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --border-color: #404040;
    --input-bg: #333333;
    --input-text: #ffffff;
    --table-stripe: #333333;
    --link-color: #7eb9f5;
    --hover-bg: #404040;
}

[data-theme="dark"] body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

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

[data-theme="dark"] .card {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

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

[data-theme="dark"] .table-hover tbody tr:hover {
    background-color: var(--hover-bg);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--input-bg);
    border-color: var(--border-color);
    color: var(--input-text);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--input-bg);
    border-color: #0d6efd;
    color: var(--input-text);
}

[data-theme="dark"] .btn-light {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .modal-content {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

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

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

/* زر تبديل الوضع */
.theme-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
    margin: 0 10px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #2196F3;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.theme-switch-wrapper {
    display: flex;
    align-items: center;
    margin-right: 1rem;
}

.theme-switch-wrapper em {
    margin-left: 10px;
    font-size: 1rem;
}

/* Footer */
footer {
    background-color: #343a40;
    color: white;
    padding: 20px;
    text-align: center;
    position : relative;
    bottom: 0;
    width: 100%;
}