:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.priority-düşük {
    background-color: var(--success-color);
    color: white;
}

.priority-orta {
    background-color: var(--warning-color);
    color: black;
}

.priority-yüksek {
    background-color: var(--danger-color);
    color: white;
}

.status-bekliyor {
    background-color: var(--secondary-color);
}

.status-devam ediyor {
    background-color: var(--primary-color);
}

.status-tamamlandı {
    background-color: var(--success-color);
}

.calendar-table {
    table-layout: fixed;
}

.calendar-table th {
    text-align: center;
    background-color: var(--light-color);
    font-weight: bold;
}

.calendar-day {
    height: 100px;
    vertical-align: top;
    padding: 5px;
    cursor: pointer;
}

.calendar-day:hover {
    background-color: #f0f0f0;
}

.calendar-day.today {
    background-color: #e7f1ff;
}

.day-number {
    font-weight: bold;
    margin-bottom: 5px;
}

.day-todos {
    max-height: 60px;
    overflow-y: auto;
}

.day-todo-item {
    font-size: 11px;
    padding: 2px 4px;
    margin: 2px 0;
    border-radius: 3px;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
}

.day-todo-item:hover {
    opacity: 0.8;
}

.progress-slider {
    cursor: pointer;
}

.card {
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.alert-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
}

.alert {
    margin-bottom: 10px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Dark Mode */
.dark-mode {
    --bs-body-bg: #1a1a1a;
    --bs-body-color: #e0e0e0;
    --bs-card-bg: #2d2d2d;
    --bs-table-bg: #2d2d2d;
    --bs-table-border-color: #404040;
    --bs-border-color: #404040;
    --bs-input-bg: #2d2d2d;
    --bs-input-color: #e0e0e0;
}

.dark-mode body {
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
}

.dark-mode .card {
    background-color: var(--bs-card-bg);
    color: var(--bs-body-color);
    border-color: var(--bs-border-color);
}

.dark-mode .table {
    --bs-table-bg: var(--bs-table-bg);
    --bs-table-border-color: var(--bs-table-border-color);
    --bs-table-color: var(--bs-body-color);
    color: var(--bs-body-color);
}

.dark-mode .form-control,
.dark-mode .form-select {
    background-color: var(--bs-input-bg);
    color: var(--bs-input-color);
    border-color: var(--bs-border-color);
}

.dark-mode .modal-content {
    background-color: var(--bs-card-bg);
    color: var(--bs-body-color);
}

.dark-mode .navbar-dark {
    background-color: #0d47a1 !important;
}

.dark-mode .calendar-day {
    border-color: var(--bs-border-color);
}

.dark-mode .calendar-day:hover {
    background-color: #3d3d3d;
}

.dark-mode .calendar-day.today {
    background-color: #2d4a6e;
}

.dark-mode .calendar-table th {
    background-color: #2d2d2d;
    color: var(--bs-body-color);
}

.dark-mode .dropdown-menu {
    background-color: var(--bs-card-bg);
    border-color: var(--bs-border-color);
}

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

.dark-mode .dropdown-item:hover {
    background-color: var(--bs-border-color);
}

.dark-mode .pagination .page-link {
    background-color: var(--bs-card-bg);
    color: var(--bs-body-color);
    border-color: var(--bs-border-color);
}

.dark-mode .pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.dark-mode .empty {
    background-color: var(--bs-table-bg);
    border-color: var(--bs-border-color);
}