/* ==========================================
   BilisimQrYoklama - Premium Style Sheet
   ========================================== */

/* Import Outfit and Inter Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Color Palette */
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #e0e7ff;
    
    --success-color: #10b981;
    --success-hover: #059669;
    --success-light: #d1fae5;
    
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --danger-light: #fee2e2;
    
    --warning-color: #f59e0b;
    --warning-hover: #d97706;
    --warning-light: #fef3c7;
    
    --info-color: #3b82f6;
    
    /* Neutral Colors */
    --bg-base: #f8fafc;
    --bg-card: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    
    /* Layout & Styling Tokens */
    --font-heading: 'Outfit', 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-indigo: 0 10px 20px -3px rgba(79, 70, 229, 0.2);
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base resets & styles */
body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
}

/* Layout Wrappers */
.main-wrapper {
    flex: 1 0 auto;
    padding: 2.5rem 0;
}

.footer {
    flex-shrink: 0;
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Header & Navigation */
.navbar-premium {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.875rem 0;
    transition: var(--transition-smooth);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand-premium {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--primary-color) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: -0.02em;
}

.navbar-brand-premium span {
    color: var(--text-primary);
}

.nav-link-premium {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--text-secondary) !important;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
}

.nav-link-premium:hover,
.nav-link-premium.active {
    color: var(--primary-color) !important;
    background-color: var(--primary-light);
}

/* Premium Buttons */
.btn-premium {
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    box-shadow: var(--shadow-sm);
}

.btn-premium-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}

.btn-premium-primary:hover {
    background-color: var(--primary-hover);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-premium-secondary {
    background-color: var(--bg-base);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-premium-secondary:hover {
    background-color: #f1f5f9;
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-premium-danger {
    background-color: var(--danger-color);
    color: #ffffff;
}

.btn-premium-danger:hover {
    background-color: var(--danger-hover);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Glassmorphism Cards */
.card-premium {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.card-premium:hover {
    box-shadow: var(--shadow-lg);
}

.card-header-premium {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title-premium {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}

/* Metric / Stats Cards */
.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    position: relative;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.metric-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.metric-icon-wrapper {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.metric-icon-primary {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.metric-icon-success {
    background-color: var(--success-light);
    color: var(--success-color);
}

.metric-icon-warning {
    background-color: var(--warning-light);
    color: var(--warning-color);
}

.metric-icon-danger {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

.metric-content {
    flex-grow: 1;
}

.metric-value {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.75rem;
    line-height: 1;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* QR Code Section */
.qr-wrapper {
    background: linear-gradient(135deg, #e0e7ff 0%, #f1f5f9 100%);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--primary-color);
    position: relative;
    overflow: hidden;
}

.qr-image-container {
    background: #ffffff;
    padding: 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    margin-bottom: 1.25rem;
}

.qr-image-container:hover {
    transform: scale(1.03);
}

.qr-image {
    max-width: 260px;
    height: auto;
    border-radius: 4px;
}

.scan-link-box {
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 0.85rem;
    max-width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    text-align: center;
    color: var(--text-secondary);
}

/* Custom Responsive Tables */
.table-premium {
    margin-bottom: 0;
}

.table-premium th {
    background-color: var(--bg-base);
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.table-premium td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.table-premium tr:last-child td {
    border-bottom: none;
}

.table-premium tbody tr {
    transition: var(--transition-smooth);
}

.table-premium tbody tr:hover {
    background-color: #f8fafc;
}

/* Status Badges */
.badge-premium {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.75rem;
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.badge-premium-active {
    background-color: var(--success-light);
    color: var(--success-color);
}

.badge-premium-passive {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

.badge-premium-today {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.badge-premium-source-qr {
    background-color: var(--warning-light);
    color: var(--warning-color);
}

.badge-premium-source-manual {
    background-color: var(--info-color);
    color: #ffffff;
}

/* Status toggles - iOS style */
.form-switch-premium {
    display: inline-flex;
    align-items: center;
}

.form-switch-premium .form-check-input {
    width: 2.75rem;
    height: 1.5rem;
    margin-left: 0;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23888' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 10h8'/%3e%3c/svg%3e");
    border-color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.form-switch-premium .form-check-input:checked {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

/* Low Attendance Highlight */
.row-low-attendance {
    background-color: rgba(239, 68, 68, 0.04) !important;
}

.row-low-attendance:hover {
    background-color: rgba(239, 68, 68, 0.08) !important;
}

.text-low-attendance {
    color: var(--danger-color);
    font-weight: 700;
}

/* Tabs customization */
.nav-tabs-premium {
    border-bottom: 2px solid var(--border-color);
    gap: 0.5rem;
    padding: 0 1rem;
}

.nav-tabs-premium .nav-link {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    position: relative;
    transition: var(--transition-smooth);
}

.nav-tabs-premium .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: transparent;
    transition: var(--transition-smooth);
}

.nav-tabs-premium .nav-link:hover {
    color: var(--primary-color);
}

.nav-tabs-premium .nav-link.active {
    color: var(--primary-color);
}

.nav-tabs-premium .nav-link.active::after {
    background-color: var(--primary-color);
}

/* Alerts System */
.alert-premium {
    border: none;
    border-left: 4px solid;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-premium-danger {
    background-color: var(--danger-light);
    border-color: var(--danger-color);
    color: var(--danger-hover);
}

.alert-premium-success {
    background-color: var(--success-light);
    border-color: var(--success-color);
    color: var(--success-hover);
}

.alert-premium-warning {
    background-color: var(--warning-light);
    border-color: var(--warning-color);
    color: var(--warning-hover);
}

/* Mobile & Login Page UI */
.login-bg {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #4f46e5 0%, #1e1b4b 100%);
    padding: 1rem;
}

.login-card {
    max-width: 440px;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    padding: 2.5rem;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header img {
    margin-bottom: 1rem;
}

/* Check-In Success / Warning Feedback Animations */
.scan-feedback-wrapper {
    max-width: 480px;
    margin: 2rem auto;
    text-align: center;
    padding: 2rem;
}

.feedback-icon-animation {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    animation: bounceIn 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.feedback-success {
    background-color: var(--success-light);
    color: var(--success-color);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.2);
}

.feedback-warning {
    background-color: var(--warning-light);
    color: var(--warning-color);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
}

.feedback-danger {
    background-color: var(--danger-light);
    color: var(--danger-color);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.2);
}

@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; }
}

/* Form inputs styling */
.form-control-premium {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.625rem 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    background-color: #ffffff;
}

.form-control-premium:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    outline: 0;
}

/* Custom Warning Banner for Admin default credential */
.banner-warning-premium {
    background: linear-gradient(90deg, #d97706 0%, #f59e0b 100%);
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.9rem;
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

/* Responsiveness adjustments */
@media (max-width: 768px) {
    .main-wrapper {
        padding: 1.5rem 0;
    }
    
    .card-header-premium {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }
    
    .navbar-premium {
        padding: 0.5rem 0;
    }
    
    .metric-card {
        padding: 1.25rem;
    }
}