/* ========================================
   AML Checker - Enhanced Minimal Design
   With animations and interactive features
   ======================================== */

/* CSS Custom Properties */
:root {
    /* Colors - Light Theme */
    --color-bg: #ffffff;
    --color-bg-subtle: #fafafa;
    --color-surface: #ffffff;
    --color-border: #e5e5e5;
    --color-border-subtle: #f0f0f0;
    
    --color-text: #1a1a1a;
    --color-text-secondary: #666666;
    --color-text-muted: #999999;
    
    /* Accent - Muted Teal */
    --color-accent: #0d9488;
    --color-accent-hover: #0f766e;
    --color-accent-subtle: rgba(13, 148, 136, 0.08);
    --color-accent-glow: rgba(13, 148, 136, 0.25);
    
    /* Semantic */
    --color-pass: #16a34a;
    --color-pass-bg: rgba(22, 163, 74, 0.08);
    --color-review: #d97706;
    --color-review-bg: rgba(217, 119, 6, 0.08);
    --color-fail: #dc2626;
    --color-fail-bg: rgba(220, 38, 38, 0.08);
    
    /* Glow effects (light mode - subtle) */
    --glow-accent: 0 0 20px rgba(13, 148, 136, 0.15);
    --glow-pass: 0 0 15px rgba(22, 163, 74, 0.15);
    --glow-fail: 0 0 15px rgba(220, 38, 38, 0.2);
    
    /* Typography */
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
    
    /* Spacing - 8px grid */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    
    /* Transitions */
    --transition: 200ms ease;
    --transition-slow: 300ms ease;
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Dark Theme */
[data-theme="dark"] {
    --color-bg: #0a0a0a;
    --color-bg-subtle: #111111;
    --color-surface: #171717;
    --color-border: #262626;
    --color-border-subtle: #1f1f1f;
    
    --color-text: #fafafa;
    --color-text-secondary: #a3a3a3;
    --color-text-muted: #737373;
    
    --color-accent: #14b8a6;
    --color-accent-hover: #2dd4bf;
    --color-accent-subtle: rgba(20, 184, 166, 0.12);
    --color-accent-glow: rgba(20, 184, 166, 0.4);
    
    --color-pass: #22c55e;
    --color-pass-bg: rgba(34, 197, 94, 0.12);
    --color-review: #f59e0b;
    --color-review-bg: rgba(245, 158, 11, 0.12);
    --color-fail: #ef4444;
    --color-fail-bg: rgba(239, 68, 68, 0.12);
    
    /* Glow effects (dark mode - more visible) */
    --glow-accent: 0 0 30px rgba(20, 184, 166, 0.3);
    --glow-pass: 0 0 20px rgba(34, 197, 94, 0.25);
    --glow-fail: 0 0 20px rgba(239, 68, 68, 0.35);
}

/* Theme transition for smooth dark mode toggle */
html {
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
    transition: background-color var(--transition-slow), 
                color var(--transition-slow), 
                border-color var(--transition-slow),
                box-shadow var(--transition-slow) !important;
}

/* ========================================
   Reset & Base
   ======================================== */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
}

/* ========================================
   Header
   ======================================== */

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-6) var(--space-6);
    border-bottom: 1px solid var(--color-border-subtle);
}

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.logo-icon .logo-pulse {
    stroke-dasharray: 30;
    stroke-dashoffset: 30;
    animation: drawCheck 0.6s ease forwards 0.3s, pulse 2s ease-in-out infinite 1s;
}

@keyframes drawCheck {
    to { stroke-dashoffset: 0; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.logo-text-container {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.logo-text {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    line-height: 1.2;
}

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

.logo-subtext {
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    line-height: 1;
}

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

.shortcut-hint {
    display: flex;
    align-items: center;
    opacity: 0.6;
    transition: opacity var(--transition);
}

.shortcut-hint:hover {
    opacity: 1;
}

.shortcut-hint kbd,
.esc-hint kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 var(--space-2);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition), transform var(--transition);
}

.theme-toggle:hover {
    border-color: var(--color-text-muted);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.theme-icon {
    width: 16px;
    height: 16px;
    color: var(--color-text-secondary);
    transition: transform var(--transition-slow);
}

.theme-toggle:hover .theme-icon {
    transform: rotate(15deg);
}

.theme-icon--dark { display: none; }
[data-theme="dark"] .theme-icon--light { display: none; }
[data-theme="dark"] .theme-icon--dark { display: block; }

/* ========================================
   Main Container
   ======================================== */

.main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
}

/* ========================================
   Search Section
   ======================================== */

.search-section {
    display: block;
    padding: var(--space-16) 0;
    animation: fadeInUp 0.5s ease;
}

.search-section.hidden {
    display: none;
}

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

.search-container {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.page-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.search-form {
    margin-bottom: var(--space-6);
    text-align: left;
}

.input-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.input-hint {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-3);
}

.form-row {
    display: flex;
    gap: var(--space-4);
    align-items: flex-end;
}

.chain-select-wrapper {
    flex-shrink: 0;
}

.chain-select {
    height: 44px;
    padding: 0 var(--space-4);
    padding-right: var(--space-8);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    min-width: 140px;
}

.chain-select:hover {
    border-color: var(--color-text-muted);
}

.chain-select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

[data-theme="dark"] .chain-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}

.address-input-wrapper {
    flex: 1;
    min-width: 0;
}

.input-wrapper {
    display: flex;
    gap: var(--space-3);
}

.input-container {
    flex: 1;
    position: relative;
}

.input {
    width: 100%;
    height: 44px;
    padding: 0 var(--space-4);
    padding-right: 40px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.input::placeholder {
    color: var(--color-text-muted);
}

.input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-subtle), var(--glow-accent);
}

/* Typing indicator */
.typing-indicator {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 3px;
    opacity: 0;
    transition: opacity var(--transition);
}

.input:focus ~ .typing-indicator,
.typing-indicator.active {
    opacity: 1;
}

.typing-indicator span {
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) { animation-delay: 0s; }
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-4px); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    height: 44px;
    padding: 0 var(--space-6);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.btn-icon {
    width: 16px;
    height: 16px;
}

.btn--primary {
    color: #ffffff;
    background: var(--color-text);
    border: none;
}

.btn--primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 100%
    );
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn--primary:hover::before {
    transform: translateX(100%);
}

.btn--primary:hover {
    background: var(--color-text-secondary);
    transform: translateY(-1px);
}

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

[data-theme="dark"] .btn--primary {
    color: #0a0a0a;
    background: var(--color-text);
}

[data-theme="dark"] .btn--primary:hover {
    background: var(--color-text-secondary);
}

/* Button loading state */
.btn-text { transition: opacity var(--transition); }
.btn-loading {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}

.btn.loading .btn-text { opacity: 0; }
.btn.loading .btn-loading { opacity: 1; }

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

[data-theme="dark"] .btn-spinner {
    border-color: rgba(0, 0, 0, 0.3);
    border-top-color: #0a0a0a;
}

.btn--secondary {
    color: var(--color-text);
    background: transparent;
    border: 1px solid var(--color-border);
}

.btn--secondary:hover {
    border-color: var(--color-text-muted);
    background: var(--color-bg-subtle);
    transform: translateY(-1px);
}

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

.btn--full {
    width: 100%;
}

/* Sample Addresses */
.sample-addresses {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.sample-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.sample-btn {
    padding: var(--space-1) var(--space-3);
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}

.sample-btn:hover {
    color: var(--color-text);
    border-color: var(--color-text-muted);
    transform: translateY(-1px);
}

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

.sample-btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ========================================
   Loading Section
   ======================================== */

.loading-section {
    display: none;
    padding: var(--space-8) 0;
}

.loading-section.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.loading-container {
    position: relative;
}

/* Skeleton Loading */
.skeleton-wrapper {
    margin-bottom: var(--space-8);
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-bg-subtle) 25%,
        var(--color-border-subtle) 50%,
        var(--color-bg-subtle) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

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

.skeleton--text {
    height: 16px;
    margin-bottom: var(--space-2);
}

.skeleton--wide { width: 60%; }
.skeleton--narrow { width: 30%; }

.skeleton-header {
    margin-bottom: var(--space-6);
}

.skeleton-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.skeleton--card {
    height: 140px;
}

.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

.skeleton--metric {
    height: 100px;
}

@media (max-width: 768px) {
    .skeleton-cards { grid-template-columns: 1fr; }
    .skeleton-grid { grid-template-columns: repeat(2, 1fr); }
}

.loading-status-wrapper {
    text-align: center;
    padding: var(--space-6) 0;
}

.spinner {
    width: 32px;
    height: 32px;
    margin: 0 auto var(--space-6);
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.loading-detail {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ========================================
   Results Section
   ======================================== */

.results-section {
    display: none;
    position: relative;
}

.results-section.active {
    display: block;
}

/* ESC Hint */
.esc-hint {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    opacity: 0;
    transform: translateY(10px);
    animation: escHintIn 0.5s ease forwards 1s;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

@keyframes escHintIn {
    to {
        opacity: 0.8;
        transform: translateY(0);
    }
}

.esc-hint:hover {
    opacity: 1;
}

/* Staggered animation for cards */
.animate-in {
    opacity: 0;
    transform: translateY(16px);
}

.results-section.active .animate-in {
    animation: cardFadeIn 0.4s ease forwards;
}

.results-section.active .animate-in[data-delay="0"] { animation-delay: 0ms; }
.results-section.active .animate-in[data-delay="1"] { animation-delay: 100ms; }
.results-section.active .animate-in[data-delay="2"] { animation-delay: 200ms; }
.results-section.active .animate-in[data-delay="3"] { animation-delay: 300ms; }
.results-section.active .animate-in[data-delay="4"] { animation-delay: 400ms; }
.results-section.active .animate-in[data-delay="5"] { animation-delay: 500ms; }
.results-section.active .animate-in[data-delay="6"] { animation-delay: 600ms; }
.results-section.active .animate-in[data-delay="7"] { animation-delay: 700ms; }

@keyframes cardFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Results Header */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-6);
    padding-bottom: var(--space-6);
    margin-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border-subtle);
}

@media (max-width: 640px) {
    .results-header {
        flex-direction: column;
        gap: var(--space-4);
    }
}

.label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-1);
}

.address-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.address {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text);
    word-break: break-all;
}

/* Copy Button */
.copy-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}

.copy-btn:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-subtle);
}

.copy-btn:active {
    transform: scale(0.95);
}

.copy-btn svg {
    width: 14px;
    height: 14px;
    color: var(--color-text-secondary);
}

.copy-icon { display: block; }
.check-icon { display: none; color: var(--color-pass); }

.copy-btn.copied .copy-icon { display: none; }
.copy-btn.copied .check-icon { display: block; }

.timestamp {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

/* Risk Row */
.risk-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

@media (max-width: 768px) {
    .risk-row {
        grid-template-columns: 1fr;
    }
}

.risk-score-card,
.decision-card {
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: transform var(--transition), box-shadow var(--transition);
}

.risk-score-card:hover,
.decision-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .risk-score-card:hover,
[data-theme="dark"] .decision-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.card-icon {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
}

.score-display {
    margin-top: var(--space-4);
}

.score-value {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 600;
    line-height: 1;
    color: var(--color-text);
}

.score-bar {
    height: 4px;
    margin-top: var(--space-4);
    background: var(--color-border);
    border-radius: 2px;
    overflow: hidden;
}

.score-bar__fill {
    height: 100%;
    width: 0%;
    background: var(--color-text-muted);
    border-radius: 2px;
    transition: width 0.8s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.3s ease;
}

.score-bar__fill[data-level="low"] { background: var(--color-pass); }
.score-bar__fill[data-level="medium"] { background: var(--color-review); }
.score-bar__fill[data-level="high"] { background: var(--color-fail); }

/* Sparklines */
.sparkline,
.metric-sparkline {
    display: block;
    margin-top: var(--space-3);
    opacity: 0.6;
}

/* Decision Card */
.decision-icon { display: none; }
.decision-card[data-decision="pass"] .decision-icon--pass { display: block; color: var(--color-pass); }
.decision-card[data-decision="review"] .decision-icon--review { display: block; color: var(--color-review); }
.decision-card[data-decision="fail"] .decision-icon--fail { display: block; color: var(--color-fail); }

.decision-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    margin-top: var(--space-3);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
}

.decision-card[data-decision="pass"] .decision-badge {
    color: var(--color-pass);
    background: var(--color-pass-bg);
}

.decision-card[data-decision="review"] .decision-badge {
    color: var(--color-review);
    background: var(--color-review-bg);
}

.decision-card[data-decision="fail"] .decision-badge {
    color: var(--color-fail);
    background: var(--color-fail-bg);
    animation: pulseFail 2s infinite;
}

@keyframes pulseFail {
    0%, 100% { 
        box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.4);
    }
    50% { 
        box-shadow: 0 0 0 8px rgba(220, 38, 38, 0);
    }
}

[data-theme="dark"] .decision-card[data-decision="fail"] .decision-badge {
    animation: pulseFailDark 2s infinite;
}

@keyframes pulseFailDark {
    0%, 100% { 
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5);
    }
    50% { 
        box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
    }
}

.decision-description {
    margin-top: var(--space-3);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Section */
.section {
    margin-bottom: var(--space-8);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border-subtle);
}

.section-icon {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

@media (max-width: 900px) {
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}

.metric-card {
    padding: var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: transform var(--transition), box-shadow var(--transition);
    cursor: default;
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .metric-card:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.metric-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.metric-icon {
    width: 14px;
    height: 14px;
    color: var(--color-text-muted);
}

.metric-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    flex: 1;
}

/* Risk pulsing dot */
.risk-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-text-muted);
    opacity: 0;
    transition: opacity var(--transition);
}

.risk-dot.active {
    opacity: 1;
    animation: riskPulse 1.5s infinite;
}

.risk-dot.low { background: var(--color-pass); }
.risk-dot.medium { background: var(--color-review); }
.risk-dot.high { background: var(--color-fail); }

@keyframes riskPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.6; }
}

.metric-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.metric-card[data-severity="low"] .metric-value { color: var(--color-pass); }
.metric-card[data-severity="medium"] .metric-value { color: var(--color-review); }
.metric-card[data-severity="high"] .metric-value { color: var(--color-fail); }

.metric-bar {
    height: 3px;
    background: var(--color-border);
    border-radius: 2px;
    overflow: hidden;
}

.metric-bar__fill {
    height: 100%;
    width: 0%;
    border-radius: 2px;
    transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.metric-card[data-severity="low"] .metric-bar__fill { background: var(--color-pass); }
.metric-card[data-severity="medium"] .metric-bar__fill { background: var(--color-review); }
.metric-card[data-severity="high"] .metric-bar__fill { background: var(--color-fail); }

/* Flow Grid */
.flow-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

@media (max-width: 768px) {
    .flow-grid {
        grid-template-columns: 1fr;
    }
}

.flow-panel {
    padding: var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: transform var(--transition), box-shadow var(--transition);
}

.flow-panel:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .flow-panel:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.flow-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.flow-icon {
    width: 14px;
    height: 14px;
    color: var(--color-text-muted);
}

.flow-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.flow-item {
    display: grid;
    grid-template-columns: 120px 1fr 48px;
    gap: var(--space-3);
    align-items: center;
    opacity: 0;
    transform: translateX(-8px);
    animation: flowItemIn 0.3s ease forwards;
    cursor: default;
}

.flow-item:hover {
    background: var(--color-bg-subtle);
    margin: 0 calc(var(--space-2) * -1);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
}

@keyframes flowItemIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 480px) {
    .flow-item {
        grid-template-columns: 100px 1fr 40px;
    }
}

.flow-item__label {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.flow-item__bar {
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    overflow: hidden;
}

.flow-item__bar-fill {
    height: 100%;
    width: 0%;
    border-radius: 2px;
    transition: width 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.flow-item[data-risk="low"] .flow-item__bar-fill { background: var(--color-pass); }
.flow-item[data-risk="medium"] .flow-item__bar-fill { background: var(--color-review); }
.flow-item[data-risk="high"] .flow-item__bar-fill { background: var(--color-fail); }
.flow-item[data-risk="neutral"] .flow-item__bar-fill { background: var(--color-text-muted); }

.flow-item__value {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-align: right;
}

/* Entities Table */
.entities-table {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.entity-row {
    display: grid;
    grid-template-columns: 8px 1fr 140px;
    gap: var(--space-4);
    align-items: center;
    padding: var(--space-4) var(--space-5);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-subtle);
    transition: background var(--transition);
    cursor: default;
    opacity: 0;
    animation: entityRowIn 0.3s ease forwards;
}

@keyframes entityRowIn {
    to { opacity: 1; }
}

.entity-row:hover {
    background: var(--color-bg-subtle);
}

.entity-row:last-child {
    border-bottom: none;
}

.entity-row__indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transition: transform var(--transition);
}

.entity-row:hover .entity-row__indicator {
    transform: scale(1.2);
}

.entity-row[data-risk="low"] .entity-row__indicator { background: var(--color-pass); }
.entity-row[data-risk="medium"] .entity-row__indicator { background: var(--color-review); }
.entity-row[data-risk="high"] .entity-row__indicator { 
    background: var(--color-fail); 
    animation: indicatorPulse 1.5s infinite;
}

@keyframes indicatorPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.4); }
    50% { box-shadow: 0 0 0 4px rgba(220, 38, 38, 0); }
}

.entity-row__name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.entity-row__category {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: right;
}

/* Stats Row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

@media (max-width: 768px) {
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-4);
    text-align: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: transform var(--transition), box-shadow var(--transition);
}

.stat:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .stat:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.stat-icon {
    width: 18px;
    height: 18px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: var(--space-1);
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

/* ========================================
   Toast Notification
   ======================================== */

.toast {
    position: fixed;
    bottom: var(--space-6);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: var(--space-3) var(--space-5);
    background: var(--color-text);
    color: var(--color-bg);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 1000;
    pointer-events: none;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ========================================
   Tooltip
   ======================================== */

.tooltip {
    position: fixed;
    padding: var(--space-2) var(--space-3);
    background: var(--color-text);
    color: var(--color-bg);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    z-index: 1000;
    max-width: 200px;
    text-align: center;
}

.tooltip.show {
    opacity: 1;
}

/* ========================================
   Accessibility
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .animate-in {
        opacity: 1;
        transform: none;
    }
}

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ========================================
   Utilities
   ======================================== */

.hidden {
    display: none !important;
}

/* Exit animation */
.results-section.exiting {
    animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

.search-section.entering {
    animation: fadeInUp 0.4s ease;
}

/* ========================================
   Supported Networks Block
   ======================================== */

.networks-block {
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border-subtle);
    text-align: center;
}

.networks-title {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-5);
}

.networks-icon {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
    opacity: 0.8;
}

.networks-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    max-width: 520px;
    margin: 0 auto;
}

.network-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    padding: var(--space-1);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: default;
    transition: all var(--transition);
    position: relative;
}

.network-item:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-subtle);
    transform: translateY(-2px);
}

.network-item:hover::after {
    content: attr(data-chain);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-2);
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--color-bg);
    background: var(--color-text);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    z-index: 10;
    pointer-events: none;
    animation: tooltipFadeIn 0.15s ease;
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.network-icon {
    font-size: 1rem;
    line-height: 1;
    color: var(--color-text-secondary);
    transition: color var(--transition);
}

.network-item:hover .network-icon {
    color: var(--color-accent);
}

.network-label {
    font-size: 0.5625rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-top: 2px;
    transition: color var(--transition);
}

.network-item:hover .network-label {
    color: var(--color-text);
}

/* Show address count on hover */
.network-item:hover::after {
    content: attr(data-chain) " • " attr(data-count) " addresses";
}

.networks-footer {
    margin-top: var(--space-4);
    text-align: center;
}

.db-stats {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

@media (max-width: 480px) {
    .networks-grid {
        gap: var(--space-1);
    }
    
    .network-item {
        width: 44px;
        height: 44px;
    }
    
    .network-icon {
        font-size: 0.875rem;
    }
    
    .network-label {
        font-size: 0.5rem;
    }
}

/* ========================================
   Actions Row (PDF + New Scan buttons)
   ======================================== */

.actions-row {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.btn--action {
    flex: 1;
    justify-content: center;
}

@media (max-width: 480px) {
    .actions-row {
        flex-direction: column;
        gap: var(--space-3);
    }
}