/* ================================================================
   KYC Identity Intelligence System — Design System
   Glassmorphism + Dark Theme + Modern Aesthetics
   ================================================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Colors */
    --bg-primary: #0a0a1a;
    --bg-secondary: #111128;
    --bg-tertiary: #1a1a3e;

    --glass-bg: rgba(20, 20, 50, 0.6);
    --glass-border: rgba(100, 100, 255, 0.15);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);

    --text-primary: #f0f0ff;
    --text-secondary: rgba(220, 220, 255, 0.7);
    --text-muted: rgba(180, 180, 220, 0.5);

    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-glow: rgba(99, 102, 241, 0.4);

    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.15);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.15);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.15);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.15);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-hero: 2.5rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* Radii */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

/* --- Background Effects --- */
.bg-effects {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #6366f1 0%, transparent 70%);
    top: -10%;
    left: -5%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
    top: 50%;
    right: -10%;
    animation-delay: -7s;
    animation-duration: 25s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, #3b82f6 0%, transparent 70%);
    bottom: -5%;
    left: 30%;
    animation-delay: -14s;
    animation-duration: 22s;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(15px, 35px) scale(1.02); }
}

/* --- Header --- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--space-4) var(--space-8);
    background: rgba(10, 10, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-md);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.logo-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    background: linear-gradient(135deg, #f0f0ff, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 400;
    letter-spacing: 0.05em;
}

.status-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--success-bg);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--success);
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* --- Main Content --- */
.main-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
}

/* --- Progress Steps --- */
.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: var(--space-10);
    padding: var(--space-6) var(--space-8);
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    transition: var(--transition-base);
}

.step-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-muted);
    transition: var(--transition-base);
}

.step-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 500;
    transition: var(--transition-base);
}

.step.active .step-number {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
    box-shadow: 0 0 20px var(--accent-glow);
}

.step.active .step-label {
    color: var(--text-primary);
}

.step.completed .step-number {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.step.completed .step-number::after {
    content: '✓';
    font-size: var(--font-size-sm);
}

.step.completed .step-label {
    color: var(--success);
}

.step-line {
    width: 50px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0 var(--space-2);
    margin-bottom: 24px;
    transition: var(--transition-slow);
}

.step-line.active {
    background: linear-gradient(90deg, var(--success), var(--accent-primary));
}

/* --- Step Panels --- */
.step-panel {
    display: none;
    animation: slideIn 0.4s ease;
}

.step-panel.active {
    display: block;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-header {
    margin-bottom: var(--space-8);
}

.panel-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.panel-icon {
    font-size: var(--font-size-2xl);
}

.panel-desc {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* --- Upload Cards --- */
.upload-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.upload-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

.upload-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.1);
}

.upload-zone {
    padding: var(--space-10) var(--space-6);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    transition: var(--transition-base);
    border: 2px dashed transparent;
    border-radius: var(--radius-lg);
    margin: var(--space-4);
}

.upload-zone:hover {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
}

.upload-zone.has-file {
    padding: var(--space-4);
    border-color: var(--success);
    background: var(--success-bg);
}

.upload-icon {
    color: var(--text-muted);
    transition: var(--transition-base);
}

.upload-zone:hover .upload-icon {
    color: var(--accent-primary);
    transform: scale(1.1);
}

.upload-preview {
    max-width: 100%;
    max-height: 160px;
    border-radius: var(--radius-sm);
    object-fit: contain;
}

.upload-label {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

.upload-hint {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.upload-status {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    border-top: 1px solid var(--glass-border);
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-status.success {
    color: var(--success);
    background: var(--success-bg);
}

.upload-status.error {
    color: var(--danger);
    background: var(--danger-bg);
}

/* --- Result Cards --- */
.extraction-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.result-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: var(--transition-base);
}

.result-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

.result-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--glass-border);
}

.result-card-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.confidence-badge {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    background: var(--info-bg);
    color: var(--info);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.confidence-badge.high {
    background: var(--success-bg);
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.3);
}

.confidence-badge.medium {
    background: var(--warning-bg);
    color: var(--warning);
    border-color: rgba(245, 158, 11, 0.3);
}

.confidence-badge.low {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.3);
}

/* --- Fields --- */
.fields-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.field-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.field-row:hover {
    background: rgba(255, 255, 255, 0.06);
}

.field-name {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.field-value {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.field-conf {
    font-size: var(--font-size-xs);
    padding: 2px 6px;
    border-radius: var(--radius-full);
    font-weight: 500;
}

.field-conf.high {
    background: var(--success-bg);
    color: var(--success);
}

.field-conf.medium {
    background: var(--warning-bg);
    color: var(--warning);
}

.field-conf.low {
    background: var(--danger-bg);
    color: var(--danger);
}

.field-skeleton {
    height: 44px;
    background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.06) 50%, rgba(255,255,255,0.03) 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-sm);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --- Face Verification --- */
.face-verification-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.face-result-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    min-height: 300px;
}

.face-match-visual {
    display: flex;
    justify-content: center;
}

.face-score-ring {
    position: relative;
    width: 120px;
    height: 120px;
}

.face-score-ring svg {
    width: 100%;
    height: 100%;
}

.face-score-value {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 800;
}

.face-match-details {
    text-align: center;
}

.face-verdict {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.face-verdict.matched {
    color: var(--success);
}

.face-verdict.unmatched {
    color: var(--danger);
}

.face-warnings {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.face-warning-item {
    font-size: var(--font-size-xs);
    color: var(--warning);
    padding: var(--space-2) var(--space-3);
    background: var(--warning-bg);
    border-radius: var(--radius-sm);
}

/* --- Fraud Detection --- */
.fraud-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.fraud-overview-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
}

.fraud-risk-meter {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.risk-meter-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.risk-meter-bar {
    height: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.risk-meter-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 1s ease, background 0.5s ease;
    width: 0%;
    background: var(--success);
}

.risk-meter-value {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    text-align: right;
}

.signals-list {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}

.signal-placeholder {
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    padding: var(--space-6);
}

.signal-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    transition: var(--transition-fast);
}

.signal-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.signal-severity {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.signal-severity.low {
    background: var(--info-bg);
    color: var(--info);
}

.signal-severity.medium {
    background: var(--warning-bg);
    color: var(--warning);
}

.signal-severity.high {
    background: var(--danger-bg);
    color: var(--danger);
}

.signal-severity.critical {
    background: rgba(220, 38, 38, 0.2);
    color: #f87171;
}

.signal-content {
    flex: 1;
}

.signal-type {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-1);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.signal-desc {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

/* --- Decision --- */
.decision-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.decision-hero {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.decision-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, var(--accent-glow) 0%, transparent 60%);
    opacity: 0.3;
}

.decision-badge {
    display: inline-block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    padding: var(--space-4) var(--space-10);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    position: relative;
    letter-spacing: 0.05em;
}

.decision-badge.APPROVED {
    background: var(--success-bg);
    color: var(--success);
    border: 2px solid var(--success);
    text-shadow: 0 0 30px rgba(16, 185, 129, 0.5);
}

.decision-badge.REVIEW {
    background: var(--warning-bg);
    color: var(--warning);
    border: 2px solid var(--warning);
    text-shadow: 0 0 30px rgba(245, 158, 11, 0.5);
}

.decision-badge.REJECTED {
    background: var(--danger-bg);
    color: var(--danger);
    border: 2px solid var(--danger);
    text-shadow: 0 0 30px rgba(239, 68, 68, 0.5);
}

.decision-score {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    position: relative;
}

.score-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.score-value {
    font-size: var(--font-size-hero);
    font-weight: 800;
    background: linear-gradient(135deg, #f0f0ff, var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.decision-action {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    line-height: 1.8;
}

/* --- Score Breakdown --- */
.breakdown-card, .flags-card, .audit-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}

.breakdown-card h3, .flags-card h3, .audit-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--glass-border);
}

.breakdown-bar-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.breakdown-label {
    width: 100px;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.breakdown-track {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.breakdown-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 1s ease;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.breakdown-value {
    width: 50px;
    text-align: right;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* --- Flags --- */
.flags-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.flag-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    border-left: 3px solid transparent;
}

.flag-item.high, .flag-item.critical {
    border-left-color: var(--danger);
    background: var(--danger-bg);
}

.flag-item.medium {
    border-left-color: var(--warning);
    background: var(--warning-bg);
}

.flag-item.low {
    border-left-color: var(--info);
    background: var(--info-bg);
}

.flag-category {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    min-width: 80px;
}

.flag-desc {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    flex: 1;
}

.flag-impact {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--danger);
    white-space: nowrap;
}

/* --- Audit Trail --- */
.audit-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.audit-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.audit-item::before {
    content: '›';
    color: var(--accent-primary);
    font-weight: 700;
    font-size: var(--font-size-base);
}

/* --- Buttons --- */
.panel-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: flex-end;
    padding-top: var(--space-6);
    border-top: 1px solid var(--glass-border);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    font-family: var(--font-family);
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 25px var(--accent-glow);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

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

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.btn-accent {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-accent:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 25px rgba(16, 185, 129, 0.4);
}

.btn-loader {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .upload-grid,
    .extraction-grid,
    .face-verification-grid {
        grid-template-columns: 1fr;
    }

    .steps-container {
        padding: var(--space-4);
        gap: 0;
    }

    .step-line {
        width: 24px;
    }

    .step-label {
        display: none;
    }

    .panel-title {
        font-size: var(--font-size-xl);
    }

    .main-content {
        padding: var(--space-4) var(--space-3);
    }

    .panel-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* --- Sidebar Layout Fix --- */
body {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: rgba(10, 10, 30, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: var(--space-8) 0;
    position: fixed;
    height: 100vh;
    z-index: 1000;
}

.content {
    flex: 1;
    margin-left: 280px;
    padding: var(--space-10);
    max-width: 1200px;
}

.nav-links {
    list-style: none;
    padding: 0 var(--space-4);
    flex: 1;
}

.nav-links li {
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-2);
}

.nav-links li i {
    font-size: var(--font-size-lg);
    width: 24px;
    text-align: center;
}

.nav-links li:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-links li.active {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.sidebar-footer {
    padding: var(--space-6) var(--space-8);
    border-top: 1px solid var(--glass-border);
}

/* --- View Management --- */
.view-container {
    display: none;
    animation: fadeIn 0.4s ease;
}

.view-container.active {
    display: block;
}

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

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    animation: slideInRight 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    min-width: 300px;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.info { border-left: 4px solid var(--info); }
.toast.error { border-left: 4px solid var(--danger); }

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* --- History Table --- */
.history-table-container {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-top: var(--space-6);
}

.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.history-table th, .history-table td {
    padding: var(--space-4) var(--space-6);
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.history-table th {
    background: rgba(255, 255, 255, 0.03);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 0.1em;
}

.history-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* --- RAG Metrics in Extraction --- */
.rag-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px dashed var(--glass-border);
}

.rag-stat {
    text-align: center;
}

.rag-stat-label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    display: block;
    margin-bottom: 2px;
}

.rag-stat-value {
    font-size: var(--font-size-sm);
    font-weight: 700;
}

.rag-stat-value.excellent { color: var(--success); }
.rag-stat-value.good { color: var(--info); }
.rag-stat-value.fair { color: var(--warning); }
.rag-stat-value.poor { color: var(--danger); }

/* --- Settings --- */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    margin-top: var(--space-6);
}

.settings-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
}

.setting-item {
    margin-top: var(--space-6);
}

.setting-item label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.setting-item input {
    width: 100%;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--glass-border);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
}

.weight-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-top: var(--space-2);
}

.weight-bar .fill {
    height: 100%;
    background: var(--accent-primary);
}

.hint {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--space-4);
    font-style: italic;
}
/* --- OTP Verification (NEW) --- */
.otp-container {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-8);
}

.otp-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    width: 100%;
    max-width: 500px;
}

.otp-phone-input, .otp-code-input {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.otp-phone-input label, .otp-code-input label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-align: center;
}

.otp-phone-input input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    color: white;
    font-size: var(--font-size-lg);
    text-align: center;
    letter-spacing: 0.1em;
}

.otp-digits {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
}

.otp-digit {
    width: 50px;
    height: 60px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--accent-primary);
    transition: var(--transition-fast);
}

.otp-digit:focus {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    outline: none;
    box-shadow: 0 0 15px var(--accent-glow);
}

.otp-timer {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-align: center;
}

/* --- Live Camera (NEW) --- */
.camera-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.camera-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-feed {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.camera-overlay {
    position: absolute;
    inset: 40px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    pointer-events: none;
    box-shadow: 0 0 0 1000px rgba(0, 0, 0, 0.4);
}

.capture-overlay {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.6);
    padding: 4px 16px;
    border-radius: var(--radius-full);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.camera-controls {
    padding: var(--space-6);
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    background: rgba(0, 0, 0, 0.2);
}