@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&family=Fira+Code:wght@400;500&display=swap');

:root {
    /* Sleek Dark Palette */
    --bg-base: #060813;
    --bg-surface: rgba(13, 17, 39, 0.6);
    --bg-card: rgba(22, 28, 62, 0.4);
    
    /* Neon Status Indicators */
    --color-primary: #0088ff;
    --color-primary-rgb: 0, 136, 255;
    
    --color-gold: #cfa853;
    --color-gold-rgb: 207, 168, 83;
    
    --color-success: #00e699;
    --color-success-rgb: 0, 230, 153;
    
    --color-danger: #ff3b57;
    --color-danger-rgb: 255, 59, 87;
    
    --color-warning: #ffb800;
    --color-warning-rgb: 255, 184, 0;

    /* Text Colors */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    /* Typography */
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;
    --font-mono: 'Fira Code', monospace;
    
    /* Animation Speeds */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Gradients */
body::before {
    content: '';
    position: fixed;
    top: -10%;
    left: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.08) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    bottom: -10%;
    right: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(var(--color-gold-rgb), 0.05) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

/* Header */
header {
    height: 80px;
    background: rgba(6, 8, 19, 0.75);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-gold) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
    color: #000;
    box-shadow: 0 4px 15px rgba(0, 136, 255, 0.3);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.logo-text span {
    color: var(--color-gold);
}

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.nav-item:hover, .nav-item.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
}

.btn {
    padding: 10px 22px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-family: var(--font-sans);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0055ff 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 136, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 136, 255, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
}

/* Glassmorphic Container */
.glass-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Hero Section */
.hero {
    max-width: 900px;
    margin: 80px auto 40px auto;
    text-align: center;
    padding: 0 20px;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 30%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-gold) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
}

/* Main Verification Workspace */
.workspace {
    max-width: 1100px;
    margin: 0 auto 80px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 30px;
}

@media (max-width: 900px) {
    .workspace {
        grid-template-columns: 1fr;
    }
}

/* Drag and Drop Zone */
.drop-zone {
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 60px 20px;
    text-align: center;
    background: rgba(255, 255, 255, 0.01);
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.03);
}

.drop-icon {
    font-size: 3rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    transition: var(--transition-spring);
}

.drop-zone:hover .drop-icon {
    transform: translateY(-5px);
    color: var(--color-primary);
}

.drop-zone input {
    display: none;
}

/* Scan Animation Overlay */
.scanner-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, transparent, var(--color-primary), transparent);
    animation: scan 2s infinite linear;
    display: none;
}

/* Verification Status Banner */
.status-banner {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    border-radius: 10px;
    margin-top: 20px;
    font-weight: 600;
    font-size: 1rem;
    animation: slideUp 0.3s ease-out;
}

.status-banner.success {
    background: rgba(0, 230, 153, 0.08);
    border: 1px solid rgba(0, 230, 153, 0.2);
    color: var(--color-success);
}

.status-banner.danger {
    background: rgba(255, 59, 87, 0.08);
    border: 1px solid rgba(255, 59, 87, 0.2);
    color: var(--color-danger);
}

.status-banner.warning {
    background: rgba(255, 184, 0, 0.08);
    border: 1px solid rgba(255, 184, 0, 0.2);
    color: var(--color-warning);
}

/* Interactive Timeline */
.timeline {
    margin-top: 25px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.timeline-step {
    display: flex;
    align-items: center;
    gap: 15px;
    opacity: 0.5;
    transition: var(--transition-smooth);
}

.timeline-step.active {
    opacity: 1;
}

.step-indicator {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    transition: var(--transition-smooth);
}

.timeline-step.completed .step-indicator {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #000;
}

.timeline-step.failed .step-indicator {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    color: #fff;
}

.timeline-step.active .step-indicator {
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(var(--color-primary-rgb), 0.5);
}

/* Data Display Card */
.details-card {
    display: none;
    flex-direction: column;
    gap: 16px;
    animation: fadeIn 0.4s ease-out;
}

.details-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.details-header h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
}

.ledger-badge {
    padding: 4px 10px;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: rgba(var(--color-gold-rgb), 0.1);
    border: 1px solid rgba(var(--color-gold-rgb), 0.2);
    color: var(--color-gold);
}

.data-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.data-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.data-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.data-value {
    font-size: 0.95rem;
    color: #fff;
    font-weight: 500;
}

.data-value.mono {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    word-break: break-all;
    background: rgba(0, 0, 0, 0.2);
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

/* Registrar Dashboard Layout */
.dashboard-container {
    max-width: 1400px;
    margin: 40px auto 80px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 40px;
}

@media (max-width: 1024px) {
    .dashboard-container {
        grid-template-columns: 1fr;
    }
}

/* Forms */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    width: 100%;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(var(--color-primary-rgb), 0.15);
}

/* History Ledger Table */
.ledger-table-container {
    overflow-x: auto;
    margin-top: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: left;
}

th {
    color: var(--text-muted);
    font-weight: 600;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

td {
    padding: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

tr:hover {
    background: rgba(255, 255, 255, 0.01);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.active {
    background-color: var(--color-success);
    box-shadow: 0 0 8px var(--color-success);
}

.status-dot.revoked {
    background-color: var(--color-danger);
    box-shadow: 0 0 8px var(--color-danger);
}

/* Tab Management */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    padding: 10px 20px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition-smooth);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Keyframe Animations */
@keyframes scan {
    0% { top: 0; }
    50% { top: 100%; }
    100% { top: 0; }
}

@keyframes scan-glow {
    0% { box-shadow: 0 0 5px var(--color-primary); }
    50% { box-shadow: 0 0 20px var(--color-primary); }
    100% { box-shadow: 0 0 5px var(--color-primary); }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Mobile Responsiveness & Optimization */
@media (max-width: 600px) {
    header {
        padding: 15px;
        height: auto;
        min-height: 80px;
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .logo-container {
        justify-content: center;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .nav-links {
        gap: 8px;
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
    }

    .nav-item {
        font-size: 0.8rem;
        padding: 6px 12px;
    }

    .hero {
        margin: 30px auto 20px auto;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .workspace {
        margin-bottom: 40px;
        gap: 20px;
        padding: 0 10px;
    }

    .glass-panel {
        padding: 20px 15px;
    }

    .drop-zone {
        padding: 40px 15px;
    }

    .data-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .dashboard-container {
        margin: 20px auto 40px auto;
        gap: 20px;
        padding: 0 10px;
    }

    .form-control {
        padding: 10px 12px;
        font-size: 0.9rem;
    }

    .btn {
        padding: 8px 16px;
        font-size: 0.85rem;
        width: 100%;
        justify-content: center;
    }
}