/**
 * Index List - Styles
 * Color scheme based on MarketIndex.com.au
 * Clean, minimal, data-focused design
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Primary Colors */
    --color-primary: #1E3A5F;
    --color-primary-dark: #152942;
    --color-secondary: #2E5984;

    /* Background Colors */
    --color-bg-primary: #FFFFFF;
    --color-bg-secondary: #F5F7FA;
    --color-bg-tertiary: #EEF1F5;

    /* Text Colors */
    --color-text-primary: #1A1A2E;
    --color-text-secondary: #6B7280;
    --color-text-muted: #9CA3AF;

    /* Accent Colors */
    --color-positive: #10B981;
    --color-positive-bg: #D1FAE5;
    --color-negative: #EF4444;
    --color-negative-bg: #FEE2E2;
    --color-warning: #F59E0B;

    /* Border Colors */
    --color-border: #E5E7EB;
    --color-border-dark: #D1D5DB;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-secondary);
}

img {
    max-width: 100%;
    height: auto;
}

/* ============================================
   Layout
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

main {
    min-height: calc(100vh - 200px);
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
    margin-bottom: var(--space-md);
}

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

.text-secondary {
    color: var(--color-text-secondary);
}

.text-positive {
    color: var(--color-positive);
}

.text-negative {
    color: var(--color-negative);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-primary);
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--space-sm) 0;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg);
    flex-direction: column;
    gap: var(--space-md);
    z-index: 99;
}

.mobile-menu.active {
    display: flex;
}

.mobile-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: white;
}

.btn-secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

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

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

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.card-header {
    margin-bottom: var(--space-lg);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ============================================
   Stats Bar
   ============================================ */
.stats-bar {
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md) 0;
}

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

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

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-xs);
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.stat-change {
    font-size: 0.75rem;
    font-weight: 500;
    margin-left: var(--space-xs);
}

.stat-change.positive {
    color: var(--color-positive);
}

.stat-change.negative {
    color: var(--color-negative);
}

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
    background: var(--color-bg-primary);
    padding: var(--space-3xl) 0;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }
}

/* ============================================
   Assets Table
   ============================================ */
.assets-section {
    padding: var(--space-2xl) 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.table-wrapper {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.assets-table {
    width: 100%;
    border-collapse: collapse;
}

.assets-table th {
    background: var(--color-bg-secondary);
    padding: var(--space-md) var(--space-lg);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.assets-table th.text-right,
.assets-table td.text-right {
    text-align: right;
}

.assets-table tbody tr {
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-fast);
}

.assets-table tbody tr:last-child {
    border-bottom: none;
}

.assets-table tbody tr:hover {
    background: var(--color-bg-secondary);
}

.assets-table td {
    padding: var(--space-md) var(--space-lg);
    font-size: 0.9375rem;
}

.asset-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.asset-logo {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.asset-logo img {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.asset-name {
    font-weight: 600;
    color: var(--color-text-primary);
}

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

.price-change {
    font-weight: 500;
}

.price-change.positive {
    color: var(--color-positive);
}

.price-change.negative {
    color: var(--color-negative);
}

.table-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
}

@media (max-width: 768px) {
    .assets-table {
        font-size: 0.875rem;
    }

    .assets-table th,
    .assets-table td {
        padding: var(--space-sm) var(--space-md);
    }

    .assets-table .hide-mobile {
        display: none;
    }
}

/* ============================================
   How It Works
   ============================================ */
.how-it-works {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-primary);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.step-card {
    text-align: center;
    padding: var(--space-xl);
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto var(--space-lg);
}

.step-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.step-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

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

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-primary);
    color: white;
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: white;
    margin-bottom: var(--space-md);
}

.footer-logo:hover {
    color: white;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

.footer-links h4 {
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.contract-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

.contract-address {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    word-break: break-all;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

.disclaimer {
    font-size: 0.75rem;
}

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

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

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

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-primary);
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

/* ============================================
   Alerts
   ============================================ */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: 0.9375rem;
}

.alert-info {
    background: #EFF6FF;
    border: 1px solid #BFDBFE;
    color: #1E40AF;
}

.alert-success {
    background: var(--color-positive-bg);
    border: 1px solid #A7F3D0;
    color: #065F46;
}

.alert-warning {
    background: #FEF3C7;
    border: 1px solid #FCD34D;
    color: #92400E;
}

.alert-error {
    background: var(--color-negative-bg);
    border: 1px solid #FECACA;
    color: #991B1B;
}

/* ============================================
   Page Specific - List Your Token
   ============================================ */
.listing-page {
    padding: var(--space-3xl) 0;
}

.listing-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.listing-header h1 {
    margin-bottom: var(--space-md);
}

.listing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.fee-card {
    background: var(--color-primary);
    color: white;
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
}

.fee-amount {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.fee-label {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: var(--space-lg);
}

.payment-address {
    background: rgba(0, 0, 0, 0.2);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    word-break: break-all;
    margin-bottom: var(--space-md);
}

.copy-btn {
    background: white;
    color: var(--color-primary);
    border: none;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.copy-btn:hover {
    opacity: 0.9;
}

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

/* ============================================
   Loading States
   ============================================ */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   Empty States
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--space-3xl);
    color: var(--color-text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

/* ============================================
   Utilities
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.hidden { display: none; }

@media (max-width: 768px) {
    .hide-mobile { display: none !important; }
}

@media (min-width: 769px) {
    .hide-desktop { display: none !important; }
}

/* ============================================
   Expandable Rows & Tiers
   ============================================ */

/* Asset cell with expand icon */
.asset-cell {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Expand/collapse icon */
.expand-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.expand-icon:hover {
    background: var(--color-primary);
    color: white;
}

.expand-icon.expanded {
    background: var(--color-primary);
    color: white;
}

/* Tier badge */
.tier-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.tier-badge.clickable {
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tier-badge.clickable:hover,
.tier-badge.expanded {
    background: var(--color-primary);
    color: white;
}

/* Tier rows (expandable sub-rows) */
.tier-row {
    background: var(--color-bg-secondary);
}

.tier-row.hidden {
    display: none;
}

.tier-row td {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
}

.tier-row:hover {
    background: var(--color-bg-tertiary);
}

/* Tier indent (left padding for nested appearance) */
.tier-indent {
    padding-left: calc(var(--space-lg) + 28px) !important;
}

/* Fee tier label in expanded rows */
.fee-tier-label {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-secondary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Price divergence indicator */
.divergence {
    font-size: 0.75rem;
    font-weight: 500;
    margin-left: var(--space-xs);
}

.divergence.positive {
    color: var(--color-positive);
}

.divergence.negative {
    color: var(--color-negative);
}

/* ============================================
   Sortable Columns
   ============================================ */
.sortable {
    cursor: pointer;
    user-select: none;
    transition: color var(--transition-fast);
}

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

.sort-indicator {
    font-size: 0.625rem;
    color: var(--color-primary);
}

/* ============================================
   Small Button Variant
   ============================================ */
.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8125rem;
}