:root {
    --primary-color: #1f2937;
    --accent-color: #10b981;
    --transition: 0.3s;
}

body {
    transition: background-color var(--transition), color var(--transition);
}

.profile-img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #fff;
    transition: transform var(--transition);
}

.profile-img:hover {
    transform: scale(1.1);
}

.badge-unread {
    position: absolute;
    top: 2px;
    right: 0;
    font-size: 0.65rem;
}

.nav-item {
    position: relative;
}

main {
    min-height: 80vh;
}

.theme-toggle {
    background: none;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    border-radius: 50%;
    width: 38px;
    height: 38px;
    cursor: pointer;
    transition: all var(--transition);
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(15deg);
}

.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9998;
}

[data-bs-theme="dark"] .spinner-overlay {
    background: rgba(26, 26, 46, 0.85);
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

#loadingOverlay.is-visible {
    display: flex;
}

.notification-dropdown {
    max-height: 400px;
    overflow-y: auto;
}

.notification-item {
    padding: 10px 15px;
    border-bottom: 1px solid var(--bs-border-color);
    color: var(--bs-body-color);
}

.notification-item:hover {
    background: var(--bs-tertiary-bg);
}

.notification-unread {
    background: var(--bs-success-bg-subtle);
}

.mesaj-kutusu {
    background-color: var(--bs-secondary-bg);
}

[data-bs-theme="dark"] .navbar-custom {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a3a 100%) !important;
}

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

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

[data-bs-theme="dark"] .table {
    --bs-table-color: var(--bs-body-color);
    --bs-table-bg: transparent;
}

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

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

[data-bs-theme="dark"] .dropdown-menu {
    --bs-dropdown-bg: var(--bs-body-bg);
    --bs-dropdown-color: var(--bs-body-color);
    --bs-dropdown-link-color: var(--bs-body-color);
}

[data-bs-theme="dark"] .dropdown-header {
    color: var(--bs-secondary-color);
}

[data-bs-theme="dark"] .btn-link {
    color: var(--bs-link-color);
}

[data-bs-theme="dark"] h1,
[data-bs-theme="dark"] h2,
[data-bs-theme="dark"] h3,
[data-bs-theme="dark"] h4,
[data-bs-theme="dark"] h5,
[data-bs-theme="dark"] h6,
[data-bs-theme="dark"] .card-title,
[data-bs-theme="dark"] .card-text,
[data-bs-theme="dark"] p,
[data-bs-theme="dark"] li,
[data-bs-theme="dark"] label,
[data-bs-theme="dark"] strong {
    color: inherit;
}