/* ===== SHARED COMPONENTS CSS ===== */
/* File CSS chung cho Staff, Admin và các area khác */

/* Color Variables - có thể override tùy theo area */
:root {
    --primary-color: #2E8B8B;
    --primary-dark: #1F5F5F;
    --primary-light: #4A9F9F;
    --secondary-color: #4A90A4;
    --accent-color: #7FB069;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --bg-color: #F8FFFE;
    --bg-secondary: #F0F8F8;
    --card-bg: #FFFFFF;
    --text-color: #2C3E50;
    --text-secondary: #5A6C7D;
    --text-muted: #8B9DC3;
    --text-light: #FFFFFF;
    --border-color: #E1E8ED;
    --shadow: 0 4px 12px rgba(46, 139, 139, 0.12);
    --shadow-lg: 0 8px 24px rgba(46, 139, 139, 0.16);
}

/* ===== TIMELINE COMPONENTS ===== */
.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 1.25rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline-badge {
    position: absolute;
    left: -3rem;
    top: 0;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.875rem;
    z-index: 1;
    border: 3px solid white;
    box-shadow: var(--shadow);
}

.timeline-badge.bg-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #34CE57 100%);
}

.timeline-badge.bg-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.timeline-badge.bg-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #FFD93D 100%);
}

.timeline-badge.bg-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #E74C3C 100%);
}

.timeline-badge.bg-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #3DBDD9 100%);
}

.timeline-content {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.25rem;
    position: relative;
    color: var(--text-color);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 20px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 8px 8px 8px 0;
    border-color: transparent var(--card-bg) transparent transparent;
}

.timeline-content strong {
    color: var(--text-color);
    font-weight: 600;
    font-size: 1rem;
}

.timeline-content .text-muted {
    color: var(--text-secondary) !important;
    font-size: 0.875rem;
}

.timeline-content p {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.timeline-content small {
    display: block;
    margin-top: 0.5rem;
}

/* ===== CARD COMPONENTS ===== */
.card-shared {
    border: none;
    box-shadow: var(--shadow);
    border-radius: 1rem;
    margin-bottom: 1.5rem;
    background-color: var(--card-bg);
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
}

.card-shared::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 100%);
}

.card-shared:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-shared .card-header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, #F5FAFA 100%);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    padding: 1.25rem 1.5rem;
    color: var(--text-color);
}

.card-shared .card-body {
    padding: 1.5rem;
    color: var(--text-color);
}

/* ===== STATS CARDS ===== */
.stats-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-5px);
}

.stats-card .stat-icon {
    font-size: 3rem;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.stats-card .stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stats-card .stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Border-left cards */
.border-left-primary {
    border-left: 0.25rem solid var(--primary-color) !important;
    background: linear-gradient(135deg, #F8FFFE 0%, #F0F8F8 100%);
}

.border-left-success {
    border-left: 0.25rem solid var(--success-color) !important;
    background: linear-gradient(135deg, #F8FFF8 0%, #F0FFF0 100%);
}

.border-left-info {
    border-left: 0.25rem solid var(--info-color) !important;
    background: linear-gradient(135deg, #F0FDFF 0%, #E6FDFF 100%);
}

.border-left-warning {
    border-left: 0.25rem solid var(--warning-color) !important;
    background: linear-gradient(135deg, #FFFEF0 0%, #FFFCE6 100%);
}

/* ===== BUTTON COMPONENTS ===== */
.btn-shared-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border: none;
    border-radius: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    color: white;
    transition: all 0.3s ease;
}

.btn-shared-primary:hover,
.btn-shared-primary:focus {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(46, 139, 139, 0.3);
    color: white;
}

.btn-shared-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #34CE57 100%);
    border: none;
    color: white;
}

.btn-shared-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #FFD93D 100%);
    border: none;
    color: var(--text-color);
}

.btn-shared-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #E74C3C 100%);
    border: none;
    color: white;
}

.btn-shared-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #3DBDD9 100%);
    border: none;
    color: white;
}

/* ===== ALERT COMPONENTS ===== */
.alert-shared {
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

.alert-shared-success {
    background: linear-gradient(135deg, #d1eddd 0%, #c3e6cb 100%);
    color: #155724;
    border-left: 4px solid var(--success-color);
}

.alert-shared-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border-left: 4px solid var(--danger-color);
}

.alert-shared-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
    border-left: 4px solid var(--warning-color);
}

.alert-shared-info {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
    border-left: 4px solid var(--info-color);
}

/* ===== TABLE COMPONENTS ===== */
.table-shared {
    margin-bottom: 0;
    background-color: var(--card-bg);
}

.table-shared th {
    border-top: none;
    font-weight: 600;
    background-color: var(--bg-secondary);
    color: var(--text-color);
    padding: 1rem 0.75rem;
}

.table-shared td {
    vertical-align: middle;
    padding: 0.875rem 0.75rem;
    color: var(--text-color);
    border-top: 1px solid var(--border-color);
}

.table-shared tbody tr:hover {
    background-color: rgba(46, 139, 139, 0.05);
}

/* ===== BADGE COMPONENTS ===== */
.badge-shared {
    border-radius: 0.5rem;
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
}

.badge-shared-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #34CE57 100%);
    color: white;
}

.badge-shared-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #FFD93D 100%);
    color: var(--text-color);
}

.badge-shared-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #E74C3C 100%);
    color: white;
}

.badge-shared-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
}

.badge-shared-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #3DBDD9 100%);
    color: white;
}

/* ===== BREADCRUMB COMPONENTS ===== */
.breadcrumb-shared {
    background-color: var(--card-bg);
    margin-bottom: 0;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    border-radius: 0;
}

.breadcrumb-shared .breadcrumb-item + .breadcrumb-item::before {
    content: ">";
    color: var(--primary-color);
    font-weight: 600;
}

.breadcrumb-shared .breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.breadcrumb-shared .breadcrumb-item a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.breadcrumb-shared .breadcrumb-item.active {
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===== FORM COMPONENTS ===== */
.form-control-shared {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    background-color: var(--card-bg);
    color: var(--text-color);
}

.form-control-shared:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(46, 139, 139, 0.25);
    background-color: var(--card-bg);
    color: var(--text-color);
}

.form-label-shared {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

/* ===== UTILITY CLASSES ===== */
.text-shared-primary {
    color: var(--primary-color) !important;
}

.text-shared-success {
    color: var(--success-color) !important;
}

.text-shared-info {
    color: var(--info-color) !important;
}

.text-shared-warning {
    color: var(--warning-color) !important;
}

.text-shared-danger {
    color: var(--danger-color) !important;
}

.bg-shared-primary {
    background-color: var(--primary-color) !important;
}

.bg-shared-light {
    background-color: var(--bg-color) !important;
}

.bg-shared-secondary {
    background-color: var(--bg-secondary) !important;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .timeline {
        padding-left: 2rem;
    }
    
    .timeline-badge {
        left: -2rem;
        width: 2rem;
        height: 2rem;
        font-size: 0.75rem;
    }
    
    .timeline-content {
        padding: 1rem;
    }
    
    .timeline-content::before {
        left: -6px;
        border-width: 6px 6px 6px 0;
    }
    
    .stats-card .stat-value {
        font-size: 2rem;
    }
    
    .stats-card .stat-icon {
        font-size: 2.5rem;
    }
}