/* Modern Premium Theme for WellCert System */

:root {
    /* Colors */
    --color-bg-primary: #0a1424;     /* Deep navy black */
    --color-bg-secondary: #0f2038;   /* Deep navy */
    --color-bg-card: rgba(15, 32, 56, 0.7); /* Glassmorphic background */
    --color-primary: #c5a880;       /* Antique gold */
    --color-primary-light: #dfc29c; /* Light gold */
    --color-primary-dark: #a98d65;  /* Deep gold */
    --color-text-white: #ffffff;
    --color-text-muted: #94a3b8;    /* Slate 400 */
    --color-border: rgba(197, 168, 128, 0.2); /* Golden borders */
    --color-border-active: rgba(197, 168, 128, 0.6);
    --color-success: #10b981;       /* Emerald 500 */
    --color-error: #ef4444;         /* Red 500 */
    --color-warning: #f59e0b;       /* Amber 500 */
    
    /* Shadows & Transitions */
    --shadow-gold: 0 4px 20px rgba(197, 168, 128, 0.15);
    --shadow-gold-hover: 0 8px 30px rgba(197, 168, 128, 0.3);
    --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Font */
    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
}

/* Global Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg-primary);
    color: var(--color-text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-text-white);
    font-weight: 700;
}

.font-serif {
    font-family: var(--font-serif);
}

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

/* Background Gradients & Glows */
.glow-bg {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(197, 168, 128, 0.08) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Navigation Bar */
header.site-header {
    background-color: rgba(10, 20, 36, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: 80px;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo-link span {
    color: var(--color-primary);
}

.logo-icon-svg {
    height: 40px;
    width: auto;
}

nav.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-item {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.nav-item:hover, .nav-item.active {
    color: var(--color-primary-light);
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #0a1424;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold-hover);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: rgba(197, 168, 128, 0.1);
    color: var(--color-primary-light);
    transform: translateY(-2px);
}

.btn-danger {
    background-color: var(--color-error);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-1px);
}

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

.btn-success:hover {
    background-color: #059669;
    transform: translateY(-1px);
}

/* Cards & Sections */
section {
    padding: 5rem 0;
    position: relative;
}

.glass-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: var(--shadow-card);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: var(--color-border-active);
    box-shadow: var(--shadow-gold);
}

.section-title-wrap {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-subtitle {
    color: var(--color-primary);
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text-white);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: rgba(10, 20, 36, 0.6);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-white);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(197, 168, 128, 0.15);
    background-color: rgba(10, 20, 36, 0.85);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 10, 18, 0.85);
    backdrop-filter: blur(8px);
    z-index: 1100;
    display: none;
    overflow-y: auto;
    padding: 2rem 1rem;
    box-sizing: border-box;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: block;
    opacity: 1;
}

.modal-content {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-primary);
    border-radius: 16px;
    width: 100%;
    max-width: 600px;
    margin: 2rem auto;
    padding: 2.5rem;
    box-shadow: var(--shadow-gold-hover);
    transform: scale(0.95);
    transition: transform 0.3s ease;
    position: relative;
    box-sizing: border-box;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.25rem;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
}

.modal-close:hover {
    color: var(--color-primary);
}

/* Grid Utilities */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* Verification Result Styles */
.verify-result-card {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.2);
    margin-top: 1.5rem;
}

.verify-result-card.invalid {
    background: rgba(239, 68, 110, 0.05);
    border: 1px solid rgba(239, 68, 110, 0.2);
}

.badge-verify {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.badge-verify.invalid {
    background-color: rgba(239, 68, 110, 0.15);
    color: var(--color-error);
}

/* Table styling for admin panel */
.table-container {
    overflow-x: hidden;
    margin-top: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

table.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.8rem;
}

table.admin-table th {
    background-color: rgba(15, 32, 56, 0.95);
    color: var(--color-primary-light);
    font-weight: 700;
    padding: 0.6rem 0.35rem;
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
}

table.admin-table td {
    padding: 0.6rem 0.35rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-white);
    white-space: nowrap;
}

table.admin-table tr:hover {
    background-color: rgba(197, 168, 128, 0.03);
}

.badge-status {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
}

.badge-pending {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

.badge-approved {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.badge-rejected {
    background-color: rgba(239, 68, 110, 0.15);
    color: var(--color-error);
}

/* Dashboard Metrics */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.metric-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.metric-info h4 {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 2rem;
    font-weight: 800;
}

.metric-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    opacity: 0.8;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: 1fr 1fr;
    }
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    header.site-header {
        height: 70px;
    }
    .nav-container {
        padding: 0 1rem;
    }
    nav.main-nav {
        display: none; /* In production JS, toggle this */
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--color-bg-secondary);
        padding: 1.5rem;
        border-bottom: 1px solid var(--color-border);
        gap: 1rem;
    }
    nav.main-nav.active {
        display: flex;
    }
    .mobile-menu-btn {
        display: block;
    }
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .grid-3, .grid-4, .metrics-grid {
        grid-template-columns: 1fr;
    }
    .section-title {
        font-size: 2rem;
    }
    
    /* Responsive Table Styles (Card Conversion) */
    table.admin-table, 
    table.admin-table thead, 
    table.admin-table tbody, 
    table.admin-table th, 
    table.admin-table td, 
    table.admin-table tr {
        display: block;
    }
    
    table.admin-table thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }
    
    table.admin-table tr {
        border: 1px solid var(--color-border);
        border-radius: 8px;
        margin-bottom: 1rem;
        padding: 0.75rem;
        background: rgba(15, 32, 56, 0.4);
    }
    
    table.admin-table td {
        border: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        position: relative;
        padding: 0.75rem 0.5rem 0.75rem 40%;
        text-align: right;
        min-height: 40px;
        display: block; /* Native block layout prevents text overlaps! */
        box-sizing: border-box;
    }
    
    table.admin-table td:last-child {
        border-bottom: 0;
    }
    
    table.admin-table td:before {
        content: attr(data-label);
        position: absolute;
        left: 0.5rem;
        top: 0.75rem; /* Aligns next to the top line of content */
        width: 35%;
        text-align: left;
        font-weight: 700;
        color: var(--color-primary-light);
        font-size: 0.8rem;
        text-transform: uppercase;
    }
    
    table.admin-table td.select-col {
        padding: 0.75rem 0.5rem;
        text-align: center;
        background: rgba(197, 168, 128, 0.05);
        border-radius: 4px;
        margin-bottom: 0.5rem;
        display: block;
    }
    
    table.admin-table td.select-col:before {
        display: none;
    }
    
    .flex-actions {
        justify-content: flex-end;
        width: 100%;
    }
}

/* Print Styling for Certificates */
@media print {
    body * {
        visibility: hidden;
    }
    #printable-certificate-area, #printable-certificate-area * {
        visibility: visible;
    }
    #printable-certificate-area {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background: white !important;
        color: black !important;
    }
}