/* Custom styles for Student Retention System */

/* Color scheme */
:root {
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --primary-color: #007bff;
    --light-gray: #f8f9fa;
}

/* Risk level indicators */
.risk-high {
    background-color: var(--danger-color);
    color: white;
}

.risk-medium {
    background-color: var(--warning-color);
    color: black;
}

.risk-low {
    background-color: var(--success-color);
    color: white;
}

.risk-none {
    background-color: var(--info-color);
    color: white;
}

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

.status-inactive {
    background-color: var(--danger-color);
}

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

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

/* Cards */
.stats-card {
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.stats-card:hover {
    transform: translateY(-2px);
}

.stats-card-success {
    border-left-color: var(--success-color);
}

.stats-card-warning {
    border-left-color: var(--warning-color);
}

.stats-card-danger {
    border-left-color: var(--danger-color);
}

.stats-card-info {
    border-left-color: var(--info-color);
}

/* Tables */
.table-hover tbody tr:hover {
    background-color: rgba(0,123,255,.05);
}

/* Charts container */
.chart-container {
    position: relative;
    height: 400px;
    margin-bottom: 20px;
}

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

.login-card {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-radius: 10px;
    overflow: hidden;
}

/* Sidebar for filters */
.sidebar {
    background-color: var(--light-gray);
    border-radius: 5px;
    padding: 20px;
    margin-bottom: 20px;
}

/* Button customizations */
.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Loading spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .chart-container {
        height: 300px;
    }
    
    .stats-card {
        margin-bottom: 15px;
    }
}

/* Notification styles */
.notification-unread {
    font-weight: bold;
    background-color: #e3f2fd;
}

/* Form improvements */
.form-floating > label {
    padding: 1rem 0.75rem;
}

/* Dashboard metrics */
.metric-value {
    font-size: 2.5rem;
    font-weight: bold;
    line-height: 1;
}

.metric-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #6c757d;
}

/* Progress bars */
.progress-thin {
    height: 0.25rem;
}

/* Student card */
.student-card {
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.student-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* Quick actions */
.quick-actions {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.quick-actions .btn {
    margin-bottom: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}