/* ==========================================================================
   SignVerify - Premium CSS Design System
   Aesthetics: Clean Corporate Navy, Emerald Verification Badges & Glassmorphism
   ========================================================================== */

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

:root {
    --primary: #1e3a8a;
    --primary-hover: #1e40af;
    --primary-light: #eff6ff;
    --accent-emerald: #059669;
    --emerald-light: #ecfdf5;
    --emerald-border: #a7f3d0;
    --slate-900: #0f172a;
    --slate-800: #1e293b;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-500: #64748b;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --slate-50: #f8fafc;
    --white: #ffffff;
    --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 -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
    --shadow-xl: 0 20px 30px -10px rgba(15, 23, 42, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-heading: 'Outfit', 'Inter', sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background-color: #f1f5f9;
    background-image: 
        radial-gradient(at 0% 0%, rgba(30, 58, 138, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(5, 150, 105, 0.05) 0px, transparent 50%);
    color: var(--slate-800);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header & Navbar */
.app-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--slate-200);
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 1rem 1.5rem;
}

.header-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--slate-900);
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.25);
}

.brand-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--slate-900);
    letter-spacing: -0.02em;
}

.brand-badge {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    margin-left: 0.5rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.nav-links {
    display: flex;
    gap: 0.5rem;
}

.nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--slate-600);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-btn:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.nav-btn.active {
    color: var(--white);
    background: var(--primary);
}

/* Main Layout */
.main-wrapper {
    flex: 1;
    max-width: 900px;
    width: 100%;
    margin: 2rem auto;
    padding: 0 1.25rem;
}

/* Verification Card Container */
.verify-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 10px -4px rgba(15, 23, 42, 0.12);
    border: 1px solid var(--slate-200);
    overflow: hidden;
    position: relative;
}

/* Verified Header Ribbon Banner */
.status-banner {
    padding: 2.25rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.status-banner.valid {
    background: linear-gradient(135deg, #065f46 0%, #059669 100%);
    color: var(--white);
}

.status-banner.invalid {
    background: linear-gradient(135deg, #991b1b 0%, #dc2626 100%);
    color: var(--white);
}

.verified-icon-wrapper {
    width: 72px;
    height: 72px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    box-shadow: 0 0 0 8px rgba(255, 255, 255, 0.1);
    animation: pulseGlow 2.5s infinite;
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4); }
    70% { box-shadow: 0 0 0 16px rgba(255, 255, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

.verified-icon-wrapper svg {
    width: 42px;
    height: 42px;
    stroke: var(--white);
}

.status-banner h1 {
    font-family: var(--font-heading);
    font-size: 1.65rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    letter-spacing: -0.01em;
}

.status-banner p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Verified Badge Pills */
.seal-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.25);
    padding: 0.35rem 1rem;
    border-radius: 30px;
    font-size: 0.825rem;
    font-weight: 600;
    margin-top: 1rem;
    backdrop-filter: blur(4px);
}

/* Card Body Section */
.card-body {
    padding: 2rem;
}

.doc-type-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(30, 58, 138, 0.15);
}

.doc-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 1.5rem;
    line-height: 1.35;
}

/* Metadata Grid Table */
.meta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    background: var(--slate-50);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--slate-200);
    margin-bottom: 2rem;
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-item.full-width {
    grid-column: 1 / -1;
}

.meta-label {
    font-size: 0.775rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    color: var(--slate-500);
    margin-bottom: 0.25rem;
}

.meta-value {
    font-size: 0.975rem;
    font-weight: 600;
    color: var(--slate-800);
}

.meta-value.highlight {
    color: var(--primary);
    font-weight: 700;
    font-family: monospace;
    font-size: 1.05rem;
}

/* Signature & Stamp Section */
.signature-box {
    margin-top: 2rem;
    padding-top: 1.75rem;
    border-top: 2px dashed var(--slate-200);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1.5rem;
}

.signer-info h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--slate-500);
    margin-bottom: 0.5rem;
}

.signer-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--slate-900);
}

.signer-title {
    font-size: 0.875rem;
    color: var(--slate-600);
}

.signer-org {
    font-size: 0.825rem;
    color: var(--primary);
    font-weight: 600;
    margin-top: 0.2rem;
}

.stamp-container {
    width: 260px;
    height: 120px;
    position: relative;
}

.signature-stamp-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.05));
}

/* Action Buttons */
.card-actions {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(30, 58, 138, 0.3);
}

.btn-outline {
    background: var(--white);
    color: var(--slate-700);
    border: 1px solid var(--slate-300);
}

.btn-outline:hover {
    background: var(--slate-100);
    color: var(--slate-900);
}

/* Admin QR Generator Page Styles */
.generator-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--slate-200);
    padding: 2rem;
}

.generator-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--slate-200);
}

.generator-header h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--slate-900);
    margin-bottom: 0.25rem;
}

.generator-header p {
    color: var(--slate-500);
    font-size: 0.9rem;
}

.generator-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--slate-700);
    margin-bottom: 0.4rem;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    font-size: 0.925rem;
    font-family: var(--font-main);
    border: 1px solid var(--slate-300);
    border-radius: var(--radius-sm);
    background: var(--slate-50);
    transition: all 0.2s ease;
    color: var(--slate-900);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.15);
}

.logo-picker-options {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.logo-opt-btn {
    flex: 1;
    padding: 0.6rem;
    border: 2px solid var(--slate-200);
    border-radius: var(--radius-sm);
    background: var(--white);
    cursor: pointer;
    text-align: center;
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--slate-700);
    transition: all 0.2s ease;
}

.logo-opt-btn.active {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
}

/* QR Preview Box */
.qr-preview-card {
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.qr-canvas-container {
    background: var(--white);
    padding: 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin: 1rem 0;
    border: 1px solid var(--slate-200);
}

canvas {
    max-width: 100%;
    height: auto;
    display: block;
}

.qr-target-url {
    font-size: 0.75rem;
    color: var(--slate-500);
    word-break: break-all;
    background: var(--slate-100);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
    width: 100%;
}

/* Sample Docs List Panel */
.sample-docs-panel {
    margin-top: 2rem;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--slate-200);
}

.sample-docs-panel h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 1rem;
}

.doc-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.doc-card-item {
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-md);
    padding: 1rem;
    text-decoration: none;
    color: var(--slate-800);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.doc-card-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: var(--primary-light);
}

.doc-card-badge {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
}

.doc-card-id {
    font-family: monospace;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--slate-900);
    margin: 0.25rem 0;
}

.doc-card-title {
    font-size: 0.8rem;
    color: var(--slate-600);
    line-clamp: 2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Footer */
.app-footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--slate-500);
    font-size: 0.85rem;
    margin-top: auto;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .generator-grid {
        grid-template-columns: 1fr;
    }
    
    .meta-grid {
        grid-template-columns: 1fr;
    }
    
    .signature-box {
        flex-direction: column;
        align-items: flex-start;
    }

    .status-banner {
        padding: 1.75rem 1rem;
    }

    .status-banner h1 {
        font-size: 1.35rem;
    }

    .card-body {
        padding: 1.25rem;
    }
}

/* Print Styles */
@media print {
    .app-header, .card-actions, .app-footer, .nav-links {
        display: none !important;
    }
    body {
        background: white;
    }
    .main-wrapper {
        margin: 0;
        padding: 0;
        max-width: 100%;
    }
    .verify-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}