/* style.css - Premium Modern Design System */

:root {
    --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-border: rgba(0, 0, 0, 0.08);
    --card-glow: rgba(2, 132, 199, 0.05);
    
    --primary: #0284c7;
    --primary-hover: #0369a1;
    --primary-glow: rgba(2, 132, 199, 0.2);
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-dark: #0f172a;
    
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.08);
    --success-border: rgba(16, 185, 129, 0.2);
    
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.08);
    --danger-border: rgba(239, 68, 68, 0.2);
    
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.08);
    --warning-border: rgba(245, 158, 11, 0.2);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-gradient);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    line-height: 1.6;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

/* Glassmorphism Container */
.glass-container {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px) saturate(120%);
    -webkit-backdrop-filter: blur(16px) saturate(120%);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 30px rgba(15, 23, 42, 0.03);
    padding: 40px;
    width: 100%;
    transition: var(--transition);
}

.glass-container:hover {
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.06);
    border-color: rgba(0, 0, 0, 0.12);
}

/* Typography styles */
.gradient-text {
    background: linear-gradient(135deg, #0f172a 0%, #0369a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

h1, h2, h3, h4 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* Inputs & Form Controls */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
}

.form-input {
    width: 100%;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-md);
    padding: 14px 18px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
    background: #ffffff;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-md);
    padding: 14px 28px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(0, 0, 0, 0.03);
    color: var(--text-main);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 14px 28px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-secondary:hover {
    background: rgba(0, 0, 0, 0.06);
    border-color: rgba(0, 0, 0, 0.12);
}

/* Alerts */
.custom-alert {
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    animation: slideIn 0.3s ease;
}

.custom-alert-success {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    color: #065f46;
}

.custom-alert-danger {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: #991b1b;
}

/* Animation */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Public Verification Portal styling */
.main-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    animation: fadeIn 0.6s ease;
}

.verify-box {
    max-width: 550px;
    text-align: center;
}

.portal-header {
    margin-bottom: 30px;
}

.portal-header img.logo {
    height: 60px;
    margin-bottom: 16px;
}

.portal-title {
    font-size: 32px;
    margin-bottom: 8px;
}

.portal-subtitle {
    color: var(--text-muted);
    font-size: 16px;
}

/* Barcode graphics decoration */
.barcode-visual {
    background: #f8fafc;
    border-radius: var(--radius-md);
    padding: 24px;
    margin: 20px auto 30px auto;
    max-width: 320px;
    border: 1px dashed #cbd5e1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.barcode-lines {
    width: 200px;
    height: 50px;
    background-image: repeating-linear-gradient(
        90deg,
        #0f172a 0px,
        #0f172a 2px,
        transparent 2px,
        transparent 6px,
        #0f172a 6px,
        #0f172a 10px,
        transparent 10px,
        transparent 14px
    );
    opacity: 0.85;
}

.barcode-text {
    font-family: monospace;
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--text-muted);
}

/* Footer style matching screen but modern */
.portal-footer {
    background: #a91b0c;
    border-top: none;
    padding: 24px 20px;
    text-align: center;
    color: #ffffff;
    font-size: 14px;
    font-weight: 500;
}

.portal-footer a {
    color: #ffffff;
    font-weight: 700;
    text-decoration: underline;
}

/* Details Page styling */
.details-box {
    max-width: 750px;
    width: 100%;
}

.details-header {
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 20px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.detail-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 20px;
    transition: var(--transition);
}

.detail-item:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
}

.detail-label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.detail-value {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-main);
}

/* Certificate Layout (Beautiful preview style) */
.cert-preview-card {
    background: radial-gradient(circle at 10% 20%, rgba(2, 132, 199, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 40%),
                #ffffff;
    border: 1px solid rgba(2, 132, 199, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge-verified {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    color: #047857;
}

/* Tables in Admin Dashboard */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    margin-top: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--card-border);
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.custom-table th {
    background: #f1f5f9;
    padding: 16px;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--card-border);
}

.custom-table td {
    padding: 16px;
    border-bottom: 1px solid var(--card-border);
    color: var(--text-main);
    background: #ffffff;
}

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

.custom-table tr:hover td {
    background: #f8fafc;
}

/* Dashboard specific classes */
.dashboard-grid {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: #f8fafc;
    border-right: 1px solid var(--card-border);
    padding: 40px 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.sidebar-brand {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 40px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    list-style: none;
}

.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-nav-link:hover, .sidebar-nav-link.active {
    background: rgba(2, 132, 199, 0.08);
    color: var(--primary);
    border-left: 3px solid var(--primary);
}

.dashboard-content {
    padding: 40px;
    overflow-y: auto;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.stat-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: #ffffff;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: left;
}

.stat-title {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-main);
}

/* Drag and drop CSV upload styles */
.file-upload-box {
    border: 2px dashed #cbd5e1;
    border-radius: var(--radius-md);
    padding: 40px;
    text-align: center;
    background: #f8fafc;
    transition: var(--transition);
    cursor: pointer;
    margin-bottom: 24px;
}

.file-upload-box:hover, .file-upload-box.dragover {
    border-color: var(--primary);
    background: rgba(2, 132, 199, 0.03);
}

.file-upload-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.8;
}

/* Responsive adjustment for Mobile */
@media(max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .sidebar {
        display: none;
    }
    .dashboard-content {
        padding: 20px;
    }
    .glass-container {
        padding: 24px;
    }
    .details-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}

/* Pagination Styling */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
}
.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--card-border);
    background: #ffffff;
    color: var(--text-main);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}
.page-link:hover {
    background: rgba(2, 132, 199, 0.08);
    color: var(--primary);
    border-color: var(--primary);
}
.page-link.active {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}
.page-link.disabled {
    opacity: 0.5;
    pointer-events: none;
}