/* assets/css/style.css - Complete Stylesheet */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: #2c3e50;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    background: white;
    border-radius: 10px;
    padding: 20px 30px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.header h1 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #2c3e50;
}

.header h1 i {
    color: #667eea;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
    text-align: center;
}

.btn-primary { background: #667eea; color: white; }
.btn-primary:hover { background: #5a67d8; transform: translateY(-2px); box-shadow: 0 5px 10px rgba(102,126,234,0.3); }

.btn-success { background: #38a169; color: white; }
.btn-success:hover { background: #2f855a; transform: translateY(-2px); }

.btn-danger { background: #e53e3e; color: white; }
.btn-danger:hover { background: #c53030; transform: translateY(-2px); }

.btn-warning { background: #ed8936; color: white; }
.btn-warning:hover { background: #dd6b20; transform: translateY(-2px); }

.btn-info { background: #4299e1; color: white; }
.btn-info:hover { background: #3182ce; transform: translateY(-2px); }

.btn-secondary { background: #718096; color: white; }
.btn-secondary:hover { background: #4a5568; transform: translateY(-2px); }

/* Cards */
.card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 15px 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6;
    font-weight: 600;
}

.card-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body {
    padding: 20px;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    background: #f8f9fa;
    padding: 12px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid #dee2e6;
}

.table td {
    padding: 10px 12px;
    border-bottom: 1px solid #e9ecef;
}

.table tr:hover {
    background: #f8f9fa;
}

/* Forms */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #4a5568;
}

.form-group label i {
    margin-right: 5px;
    color: #667eea;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #e2e8f0;
    border-radius: 5px;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102,126,234,0.1);
}

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

/* Alerts */
.alert {
    padding: 12px 20px;
    border-radius: 5px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideDown 0.3s ease;
}

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

.alert-success {
    background: #d4edda;
    color: #155724;
    border-left: 5px solid #38a169;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border-left: 5px solid #e53e3e;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 5px solid #4299e1;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border-left: 5px solid #ed8936;
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -10px;
}

[class*="col-"] {
    padding: 0 10px;
    margin-bottom: 20px;
}

.col-md-1 { width: 8.33%; }
.col-md-2 { width: 16.66%; }
.col-md-3 { width: 25%; }
.col-md-4 { width: 33.33%; }
.col-md-5 { width: 41.66%; }
.col-md-6 { width: 50%; }
.col-md-7 { width: 58.33%; }
.col-md-8 { width: 66.66%; }
.col-md-9 { width: 75%; }
.col-md-10 { width: 83.33%; }
.col-md-11 { width: 91.66%; }
.col-md-12 { width: 100%; }

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-success { background: #d4edda; color: #155724; }
.badge-info { background: #d1ecf1; color: #0c5460; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger { background: #f8d7da; color: #721c24; }

/* Text utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-muted { color: #718096; }

/* Margin utilities */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

/* Responsive */
@media (max-width: 768px) {
    [class*="col-"] { width: 100%; }
    
    .header {
        flex-direction: column;
        text-align: center;
    }
    
    .user-info {
        justify-content: center;
    }
    
    .table {
        font-size: 0.9rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 5px;
    }
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white;
        padding: 20px;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}