/* Custom styles for BugTracker */

/* Skeleton loading animation */
.skeleton-line {
    height: 1rem;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Loading spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0,0,0,.3);
    border-radius: 50%;
    border-top-color: #007bff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Sidebar customizations */
.navbar-vertical {
    width: 15rem;
}

.navbar-vertical .navbar-brand {
    padding: 1rem 1.5rem;
}

.navbar-vertical .nav-link {
    padding: 0.75rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    border-radius: 0;
}

.navbar-vertical .nav-link:hover,
.navbar-vertical .nav-link.active {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
}

.navbar-vertical .nav-link-icon {
    width: 1.25rem;
    margin-right: 0.5rem;
}

/* Page wrapper adjustments */
.page-wrapper {
    margin-left: 15rem;
}

body.login-page .page-wrapper {
    margin-left: 0;
}

@media (max-width: 991.98px) {
    .page-wrapper {
        margin-left: 0;
    }
}

/* Card enhancements */
.card {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    border: none;
}

.card:hover {
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
    transition: all 0.3s cubic-bezier(.25,.8,.25,1);
}

/* Stats cards */
.card-body .h1 {
    font-size: 2.5rem;
    font-weight: 600;
}

.subheader {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #6c757d;
}

/* Avatar improvements */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* Table improvements */
.table-vcenter td {
    vertical-align: middle;
}

/* Button enhancements */
.btn {
    font-weight: 500;
    border-radius: 6px;
}

.btn-list {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Form improvements */
.form-control:focus {
    border-color: #0054a6;
    box-shadow: 0 0 0 0.2rem rgba(0, 84, 166, 0.25);
}

.form-check-input:checked {
    background-color: #0054a6;
    border-color: #0054a6;
}

/* Badge improvements */
.badge {
    font-weight: 500;
    font-size: 0.75rem;
}

/* Progress bars */
.progress {
    height: 0.5rem;
}

/* Dropdown improvements */
.dropdown-menu {
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* List group improvements */
.list-group-item {
    border: none;
    padding: 0.75rem 0;
}

.list-group-item:not(:last-child) {
    border-bottom: 1px solid #e9ecef;
}

/* Responsive adjustments */
@media (max-width: 767.98px) {
    .card-body .h1 {
        font-size: 2rem;
    }
    
    .btn-list {
        justify-content: center;
    }
}

/* Dark theme support */
[data-bs-theme="dark"] .skeleton-line {
    background: linear-gradient(90deg, #2d3748 25%, #4a5568 50%, #2d3748 75%);
    background-size: 200% 100%;
}

/* Login page specific styles */
.page-center {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Animation utilities */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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