/* css/style.css - ธีมมหาวิทยาลัยเกษตรศาสตร์ */
:root {
    --ku-green: #006664;
    --ku-gold: #B2BB1E;
    --ku-light-green: #338986;
    --ku-dark-green: #006c67;
    --text-dark: #333;
    --bg-light: #F8F9FA;
    --border-color: #DEE2E6;
}

body {
    font-family: 'Sarabun', 'Kanit', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

/* Header และ Navbar */
.navbar {
    background: linear-gradient(135deg, var(--ku-green) 0%, var(--ku-light-green) 100%) !important;
    box-shadow: 0 2px 10px rgba(27, 94, 32, 0.2);
    padding: 0.8rem 0;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.2rem;
    color: white !important;
}

.navbar-brand i {
    color: var(--ku-gold);
    margin-right: 8px;
}

.nav-link {
    color: white !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--ku-gold) !important;
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--ku-green) 0%, var(--ku-light-green) 100%) !important;
    border: none !important;
    padding: 1rem;
     color: white !important;
}

.card-header h4 {
    margin: 0;
    font-weight: 600;
}

.card-header i {
    color: var(--ku-gold);
    margin-right: 8px;
}

.card-body {
    padding: 2rem;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--ku-green) 0%, var(--ku-light-green) 100%);
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--ku-dark-green) 0%, var(--ku-green) 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(27, 94, 32, 0.3);
}

.btn-success {
    background-color: var(--ku-light-green);
    border-color: var(--ku-light-green);
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
}

.btn-success:hover {
    background-color: var(--ku-green);
    border-color: var(--ku-green);
}

.btn-warning {
    background-color: var(--ku-gold);
    border-color: var(--ku-gold);
    color: var(--text-dark);
    border-radius: 8px;
    font-weight: 500;
}

.btn-danger {
    border-radius: 8px;
    font-weight: 500;
}

/* Form Controls */
.form-control {
    border-radius: 8px;
    border: 2px solid var(--border-color);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--ku-green);
    box-shadow: 0 0 0 0.2rem rgba(27, 94, 32, 0.15);
}

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

.form-label i {
    color: var(--ku-green);
    margin-right: 5px;
}

/* Alerts */

.alert {
    border-radius: 8px;
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.alert-success {
    background-color: #E8F5E8;
    color: var(--ku-dark-green);
}

.alert-danger {
    background-color: #FFEBEE;
    color: #C62828;
}

.alert-warning {
    background-color: #FFF8E1;
    color: #F57C00;
}

.alert i {
    margin-right: 8px;
}

/* Badge */
.badge {
    font-size: 1rem !important;
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

.bg-primary {
    background: linear-gradient(135deg, var(--ku-green) 0%, var(--ku-light-green) 100%) !important;
}

/* QR Code Section */
.qr-code-section {
    text-align: center;
    padding: 1.5rem;
    background-color: #F8F9FA;
    border-radius: 8px;
    margin: 1rem 0;
}

.qr-code-section img {
    border: 3px solid black; /*var(--ku-green);*/
    border-radius: 8px;
    padding: 10px;
    background-color: white;
}

/* Registration Info */
.registration-info {
    background-color: #E8F5E8;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1rem 0;
    border-left: 4px solid var(--ku-green);
}

/* DataTable Customization */
.table {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.table th {
    background: linear-gradient(135deg, var(--ku-green) 0%, var(--ku-light-green) 100%);
    color: white;
    border: none;
    font-weight: 600;
    padding: 1rem;
}

.table td {
    padding: 1rem;
    vertical-align: middle;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(27, 94, 32, 0.05);
}

/* Scanner Section */
.scanner-container {
    background-color: white;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.scanner-result {
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1rem 0;
    border: 2px solid var(--border-color);
    text-align: center;
}

.scanner-result.success {
    background-color: #E8F5E8;
    border-color: var(--ku-green);
    color: var(--ku-dark-green);
    animation: successPulse 0.6s ease-out;
}

.scanner-result.error {
    background-color: #FFEBEE;
    border-color: #F44336;
    color: #C62828;
    animation: errorShake 0.6s ease-out;
}

@keyframes successPulse {
    0% { transform: scale(0.95); opacity: 0; }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes errorShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Scanner result icons */
.scanner-result i.fa-2x {
    display: block;
    margin: 0 auto 10px;
}

.scanner-result.success i {
    color: var(--ku-green);
    animation: bounceIn 0.8s ease-out;
}

.scanner-result.error i {
    color: #F44336;
    animation: bounceIn 0.8s ease-out;
}

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); opacity: 1; }
}

/* Scan cooldown indicator */
.scan-cooldown {
    position: relative;
    overflow: hidden;
}

.scan-cooldown::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ku-green), var(--ku-gold));
    animation: cooldownProgress 3s linear;
}

@keyframes cooldownProgress {
    0% { width: 100%; }
    100% { width: 0%; }
}

/* Stats Cards */
.stats-card {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.stats-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--ku-green);
}

.stats-label {
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 500;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .card-body {
        padding: 1.5rem 1rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .btn + .btn {
        margin-left: 0 !important;
    }
    
    .stats-card {
        margin-bottom: 1rem;
    }
    
    .table-responsive {
        border-radius: 8px;
    }
    
    .scanner-container {
        padding: 1rem;
    }
    
    #scanner-video {
        width: 100% !important;
        height: 250px !important;
    }
}

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

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

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--ku-green) 0%, var(--ku-light-green) 100%);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer p {
    margin: 0;
    font-weight: 500;
}