/* Custom styles for the Project Management System */

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    min-height: 100vh;
}

/* Navigation */
.navbar-brand {
    font-weight: 600;
    font-size: 1.3rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: box-shadow 0.15s ease-in-out;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid #e9ecef;
    font-weight: 600;
}

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-group-sm > .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

/* Forms */
.form-control, .form-select {
    border: 1px solid #ced4da;
    border-radius: 6px;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus, .form-select:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-label {
    font-weight: 500;
    color: #495057;
}

/* Tables */
.table {
    background-color: #fff;
}

.table th {
    font-weight: 600;
    border-top: none;
    border-bottom: 2px solid #dee2e6;
    color: #495057;
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 123, 255, 0.05);
}

/* Badges */
.badge {
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Progress bars */
.progress {
    height: 8px;
    border-radius: 4px;
    background-color: #e9ecef;
}

.progress-bar {
    border-radius: 4px;
}

/* Status colors */
.status-active {
    color: var(--success-color);
}

.status-on-hold {
    color: var(--warning-color);
}

.status-completed {
    color: var(--info-color);
}

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

.status-in-progress {
    color: var(--warning-color);
}

/* Priority colors */
.priority-low {
    color: var(--secondary-color);
}

.priority-medium {
    color: var(--warning-color);
}

.priority-high {
    color: var(--danger-color);
}

/* Dashboard statistics cards */
.card.text-white .card-body {
    position: relative;
    overflow: hidden;
}

.card.text-white .card-body::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    pointer-events: none;
}

/* List groups */
.list-group-item {
    border: 1px solid rgba(0,0,0,.125);
    transition: background-color 0.15s ease-in-out;
}

.list-group-item:hover {
    background-color: #f8f9fa;
}

/* Empty states */
.empty-state {
    padding: 3rem 1.5rem;
    text-align: center;
}

.empty-state i {
    opacity: 0.5;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 6px;
    font-weight: 500;
}

.alert-dismissible .btn-close {
    padding: 0.75rem 1.25rem;
}

/* Footer */
footer {
    margin-top: auto;
    border-top: 1px solid #e9ecef;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .btn-group.w-100 .btn {
        font-size: 0.875rem;
        padding: 0.375rem 0.5rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}

/* Animation for loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Custom scrollbar for webkit browsers */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Task status select styling */
.task-status {
    border: none;
    background-color: transparent;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.task-status:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

/* Gantt chart container */
#gantt_here {
    border: 1px solid #e9ecef;
    border-radius: 6px;
}

/* Print styles */
@media print {
    .navbar, .btn, .card-footer {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #dee2e6;
    }
    
    body {
        background-color: white !important;
    }
}