/* =========================================================================
   Travelers Exchange — Global Stylesheet
   ========================================================================= */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

input, button, textarea, select {
    font: inherit;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

/* ---------------------------------------------------------------------------
   CSS Custom Properties
   --------------------------------------------------------------------------- */
:root {
    /* Background palette */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2128;
    --bg-card: #161b22;
    --bg-input: #0d1117;
    --bg-hover: #1f2937;

    /* Border colors */
    --border-primary: #30363d;
    --border-secondary: #21262d;
    --border-accent: #f0b429;

    /* Text colors */
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --text-link: #f0b429;

    /* Accent — Gold/Amber */
    --accent: #f0b429;
    --accent-hover: #d9a21e;
    --accent-glow: rgba(240, 180, 41, 0.15);
    --accent-subtle: rgba(240, 180, 41, 0.1);

    /* Status colors */
    --success: #2ea043;
    --success-bg: rgba(46, 160, 67, 0.15);
    --error: #f85149;
    --error-bg: rgba(248, 81, 73, 0.15);
    --info: #58a6ff;
    --info-bg: rgba(88, 166, 255, 0.15);
    --warning: #d29922;
    --warning-bg: rgba(210, 153, 34, 0.15);

    /* Transaction type colors */
    --tx-mint: #2ea043;
    --tx-transfer: #58a6ff;
    --tx-burn: #f85149;
    --tx-distribute: #a371f7;
    --tx-purchase: #f0b429;
    --tx-tax: #d29922;
    --tx-genesis: #8b949e;

    /* Fonts */
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', 'Liberation Mono', 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;

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(240, 180, 41, 0.1);

    /* Layout */
    --nav-height: 60px;
    --max-width: 1200px;
    --max-width-narrow: 640px;

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

/* ---------------------------------------------------------------------------
   Base Typography & Body
   --------------------------------------------------------------------------- */
body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

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

a {
    color: var(--text-link);
    transition: color var(--transition-fast);
}

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

code, .mono {
    font-family: var(--font-mono);
    font-size: 0.875em;
}

small {
    font-size: 0.875rem;
    color: var(--text-muted);
}

hr {
    border: none;
    border-top: 1px solid var(--border-primary);
    margin: var(--space-lg) 0;
}

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

.container-narrow {
    width: 100%;
    max-width: var(--max-width-narrow);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.page-content {
    flex: 1;
    padding-top: calc(var(--nav-height) + var(--space-xl));
    padding-bottom: var(--space-3xl);
}

/* ---------------------------------------------------------------------------
   Navigation Bar
   --------------------------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent) !important;
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.navbar-brand:hover {
    color: var(--accent-hover) !important;
}

.navbar-brand .brand-icon {
    font-size: 1.4rem;
}

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

.nav-links a,
.nav-links button {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links button:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav-links a.active {
    color: var(--accent);
    background: var(--accent-subtle);
}

.nav-links .nav-divider {
    width: 1px;
    height: 20px;
    background: var(--border-primary);
    margin: 0 var(--space-xs);
}

.nav-logout {
    background: none;
    border: 1px solid var(--border-primary);
    cursor: pointer;
    color: var(--text-secondary);
}

.nav-logout:hover {
    border-color: var(--error);
    color: var(--error) !important;
    background: var(--error-bg) !important;
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-sm);
}

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

.card:hover {
    border-color: var(--border-accent);
}

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

.card-header h2,
.card-header h3 {
    margin: 0;
}

.card-body {
    /* default — just for semantic grouping */
}

.card-footer {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-secondary);
}

/* Stat cards */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: var(--space-xs);
    font-family: var(--font-mono);
}

.stat-card .stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ---------------------------------------------------------------------------
   Dashboard Grid
   --------------------------------------------------------------------------- */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

/* ---------------------------------------------------------------------------
   Tables
   --------------------------------------------------------------------------- */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
}

.table-wrapper table {
    min-width: 600px;
}

.table-wrapper th,
.table-wrapper td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--border-secondary);
    font-size: 0.875rem;
    white-space: nowrap;
}

.table-wrapper th {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.table-wrapper tbody tr {
    transition: background var(--transition-fast);
}

.table-wrapper tbody tr:hover {
    background: var(--bg-hover);
}

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

/* Alternating row shading */
.table-wrapper tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

.table-wrapper tbody tr:nth-child(even):hover {
    background: var(--bg-hover);
}

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

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

.form-group .form-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="search"],
textarea,
select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-input);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

input:disabled,
textarea:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

input[type="number"] {
    font-family: var(--font-mono);
}

textarea {
    min-height: 80px;
    resize: vertical;
}

/* ---------------------------------------------------------------------------
   Buttons
   --------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9375rem;
    font-weight: 600;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    line-height: 1.5;
}

.btn:hover {
    transform: translateY(-1px);
}

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

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: var(--shadow-glow);
    color: var(--bg-primary);
}

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

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

.btn-danger {
    background: transparent;
    color: var(--error);
    border-color: var(--error);
}

.btn-danger:hover {
    background: var(--error-bg);
    box-shadow: 0 0 12px rgba(248, 81, 73, 0.15);
}

.btn-sm {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.8125rem;
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.0625rem;
}

.btn-block {
    width: 100%;
}

.btn-group {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* ---------------------------------------------------------------------------
   Flash Messages / Alerts
   --------------------------------------------------------------------------- */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    animation: slideDown 0.3s ease;
}

.alert-success {
    background: var(--success-bg);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: var(--error-bg);
    border: 1px solid var(--error);
    color: var(--error);
}

.alert-info {
    background: var(--info-bg);
    border: 1px solid var(--info);
    color: var(--info);
}

.alert-warning {
    background: var(--warning-bg);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.alert .alert-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 1.25rem;
    opacity: 0.7;
    padding: 0;
    line-height: 1;
}

.alert .alert-close:hover {
    opacity: 1;
}

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

/* ---------------------------------------------------------------------------
   Wallet / Address / Hash Display
   --------------------------------------------------------------------------- */
.wallet-address {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    color: var(--accent);
    word-break: break-all;
}

.wallet-address .copy-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 4px;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

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

.wallet-address .copy-btn.copied {
    color: var(--success);
}

.wallet-address-lg {
    font-size: 1.125rem;
    padding: var(--space-md) var(--space-lg);
}

.tx-hash {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--info);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.tx-hash:hover {
    color: var(--accent);
}

.tx-hash-full {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    word-break: break-all;
    background: var(--bg-primary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
}

/* ---------------------------------------------------------------------------
   Transaction Type Badges
   --------------------------------------------------------------------------- */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-mint {
    background: rgba(46, 160, 67, 0.15);
    color: var(--tx-mint);
    border: 1px solid rgba(46, 160, 67, 0.3);
}

.badge-transfer {
    background: rgba(88, 166, 255, 0.15);
    color: var(--tx-transfer);
    border: 1px solid rgba(88, 166, 255, 0.3);
}

.badge-burn {
    background: rgba(248, 81, 73, 0.15);
    color: var(--tx-burn);
    border: 1px solid rgba(248, 81, 73, 0.3);
}

.badge-distribute {
    background: rgba(163, 113, 247, 0.15);
    color: var(--tx-distribute);
    border: 1px solid rgba(163, 113, 247, 0.3);
}

.badge-purchase {
    background: rgba(240, 180, 41, 0.15);
    color: var(--tx-purchase);
    border: 1px solid rgba(240, 180, 41, 0.3);
}

.badge-tax {
    background: rgba(210, 153, 34, 0.15);
    color: var(--tx-tax);
    border: 1px solid rgba(210, 153, 34, 0.3);
}

.badge-genesis {
    background: rgba(139, 148, 158, 0.15);
    color: var(--tx-genesis);
    border: 1px solid rgba(139, 148, 158, 0.3);
}

.badge-confirmed {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(46, 160, 67, 0.3);
}

.badge-pending {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid rgba(210, 153, 34, 0.3);
}

/* Direction indicators */
.amount-sent {
    color: var(--error);
}

.amount-received {
    color: var(--success);
}

/* ---------------------------------------------------------------------------
   Balance Display
   --------------------------------------------------------------------------- */
.balance-display {
    text-align: center;
    padding: var(--space-xl);
}

.balance-display .balance-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.balance-display .balance-value {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent);
}

.balance-display .balance-currency {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-left: var(--space-xs);
}

.balance-inline {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent);
}

/* ---------------------------------------------------------------------------
   Hero Section (Landing Page)
   --------------------------------------------------------------------------- */
.hero {
    text-align: center;
    padding: var(--space-3xl) 0;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--accent), #ffd68a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
}

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

/* Feature cards grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-2xl) 0;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.feature-card .feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    display: block;
}

.feature-card h3 {
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* Hierarchy section */
.hierarchy-section {
    text-align: center;
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--border-primary);
}

.hierarchy-section h2 {
    margin-bottom: var(--space-lg);
}

.hierarchy-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.hierarchy-node {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-lg);
    font-weight: 600;
    font-size: 0.9375rem;
}

.hierarchy-node.highlight {
    border-color: var(--accent);
    color: var(--accent);
}

.hierarchy-arrow {
    color: var(--text-muted);
    font-size: 1.25rem;
}

/* ---------------------------------------------------------------------------
   Page Header
   --------------------------------------------------------------------------- */
.page-header {
    margin-bottom: var(--space-xl);
}

.page-header h1 {
    margin-bottom: var(--space-sm);
}

.page-header .page-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ---------------------------------------------------------------------------
   Transaction Detail Page
   --------------------------------------------------------------------------- */
.tx-detail-grid {
    display: grid;
    gap: var(--space-md);
}

.tx-detail-row {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-secondary);
    align-items: start;
}

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

.tx-detail-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding-top: 2px;
}

.tx-detail-value {
    color: var(--text-primary);
    word-break: break-all;
}

/* Chain link visual */
.chain-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    margin: var(--space-lg) 0;
    overflow-x: auto;
}

.chain-block {
    flex-shrink: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    min-width: 140px;
}

.chain-block.current {
    border-color: var(--accent);
    color: var(--accent);
}

.chain-block .chain-block-label {
    font-family: var(--font-body);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
    color: var(--text-muted);
}

.chain-arrow {
    color: var(--text-muted);
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* ---------------------------------------------------------------------------
   Pagination
   --------------------------------------------------------------------------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
}

.pagination a,
.pagination span {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-primary);
    transition: all var(--transition-fast);
}

.pagination a {
    color: var(--text-secondary);
    background: var(--bg-card);
}

.pagination a:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-subtle);
}

.pagination .current-page {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-subtle);
    font-weight: 600;
}

.pagination .disabled {
    color: var(--text-muted);
    border-color: var(--border-secondary);
    background: var(--bg-secondary);
    cursor: not-allowed;
    opacity: 0.5;
}

/* ---------------------------------------------------------------------------
   Settings Page
   --------------------------------------------------------------------------- */
.settings-section {
    margin-bottom: var(--space-2xl);
}

.settings-section h3 {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-primary);
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-secondary);
}

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

.info-row .info-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.info-row .info-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* ---------------------------------------------------------------------------
   Nations
   --------------------------------------------------------------------------- */
.nations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.nation-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-normal);
}

.nation-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
}

.nation-card h3 {
    margin-bottom: var(--space-sm);
}

.nation-card .nation-game {
    font-size: 0.8125rem;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}

.nation-card .nation-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.nation-card .nation-meta {
    display: flex;
    gap: var(--space-lg);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Nation detail page */
.nation-header {
    margin-bottom: var(--space-xl);
}

.nation-header h1 {
    margin-bottom: var(--space-sm);
}

.nation-header .nation-game-tag {
    display: inline-block;
    background: var(--accent-subtle);
    color: var(--accent);
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-md);
}

/* ---------------------------------------------------------------------------
   Nation Application Form
   --------------------------------------------------------------------------- */
.form-note {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
}

/* ---------------------------------------------------------------------------
   Treasury Dashboard
   --------------------------------------------------------------------------- */
.treasury-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
}

/* ---------------------------------------------------------------------------
   Distribution Form — Member Dropdown
   --------------------------------------------------------------------------- */
.member-select {
    font-family: var(--font-body);
}

.member-select option {
    padding: var(--space-sm);
}

/* ---------------------------------------------------------------------------
   Pending Nation Cards (Mint Dashboard)
   --------------------------------------------------------------------------- */
.pending-nations-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.pending-nation-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    transition: border-color var(--transition-fast);
}

.pending-nation-card:hover {
    border-color: var(--warning);
}

.pending-nation-info {
    flex: 1;
    min-width: 0;
}

.pending-nation-info h4 {
    margin-bottom: 0;
}

.pending-nation-actions {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

/* ---------------------------------------------------------------------------
   Allocation Table (Mint Dashboard)
   --------------------------------------------------------------------------- */
.allocation-status-pending {
    color: var(--warning);
}

.allocation-status-approved {
    color: var(--success);
}

.allocation-status-distributed {
    color: var(--info);
}

/* ---------------------------------------------------------------------------
   Nation Detail — Join/Leave Action Card
   --------------------------------------------------------------------------- */
.nation-action-card {
    border-color: var(--border-accent);
}

.nation-action-card:hover {
    box-shadow: var(--shadow-glow);
}

/* ---------------------------------------------------------------------------
   Mint Dashboard
   --------------------------------------------------------------------------- */
.mint-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.chain-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
}

.chain-status.valid {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(46, 160, 67, 0.3);
}

.chain-status.invalid {
    background: var(--error-bg);
    color: var(--error);
    border: 1px solid rgba(248, 81, 73, 0.3);
}

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

.chain-status.valid .chain-status-dot {
    background: var(--success);
    box-shadow: 0 0 6px var(--success);
}

.chain-status.invalid .chain-status-dot {
    background: var(--error);
    box-shadow: 0 0 6px var(--error);
}

/* ---------------------------------------------------------------------------
   Footer
   --------------------------------------------------------------------------- */
.footer {
    border-top: 1px solid var(--border-primary);
    padding: var(--space-lg) 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8125rem;
}

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

.footer a:hover {
    color: var(--accent);
}

/* ---------------------------------------------------------------------------
   Auth Pages (Login / Register)
   --------------------------------------------------------------------------- */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--nav-height) - 100px);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
}

.auth-card h1 {
    text-align: center;
    margin-bottom: var(--space-xs);
}

.auth-card .auth-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9375rem;
    margin-bottom: var(--space-xl);
}

.auth-card .auth-footer {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.auth-card .auth-footer a {
    color: var(--accent);
    font-weight: 500;
}

/* Registration success (wallet reveal) */
.wallet-reveal {
    text-align: center;
    padding: var(--space-xl) 0;
}

.wallet-reveal h2 {
    color: var(--success);
    margin-bottom: var(--space-md);
}

.wallet-reveal p {
    margin-bottom: var(--space-lg);
}

/* Form error display */
.form-error {
    display: none;
    margin-bottom: var(--space-md);
}

.form-error.visible {
    display: block;
}

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

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

.empty-state h3 {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.empty-state p {
    max-width: 400px;
    margin: 0 auto;
}

/* ---------------------------------------------------------------------------
   Utility Classes
   --------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-info { color: var(--info); }

.mb-0 { margin-bottom: 0; }
.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); }

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

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Truncate text */
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 150px;
    display: inline-block;
    vertical-align: bottom;
}

/* ---------------------------------------------------------------------------
   Responsive Breakpoints
   --------------------------------------------------------------------------- */

/* Tablet (max 768px) */
@media (max-width: 768px) {
    :root {
        --nav-height: 56px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero .tagline {
        font-size: 1.0625rem;
    }

    .two-col {
        grid-template-columns: 1fr;
    }

    .tx-detail-row {
        grid-template-columns: 1fr;
        gap: var(--space-xs);
    }

    .table-wrapper {
        border-radius: var(--radius-md);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hierarchy-flow {
        flex-direction: column;
    }

    .hierarchy-arrow {
        transform: rotate(90deg);
    }

    .treasury-overview {
        grid-template-columns: 1fr;
    }

    .market-filters {
        flex-direction: column;
    }

    .market-filters .form-group {
        min-width: 0;
        width: 100%;
    }

    .pending-nation-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .pending-nation-actions {
        width: 100%;
    }

    /* Mobile nav */
    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-primary);
        flex-direction: column;
        padding: var(--space-md);
        gap: var(--space-xs);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links .nav-divider {
        width: 100%;
        height: 1px;
        margin: var(--space-xs) 0;
    }

    .nav-toggle {
        display: block;
    }

    .stat-card .stat-value {
        font-size: 1.5rem;
    }

    .balance-display .balance-value {
        font-size: 1.75rem;
    }

    .container,
    .container-narrow {
        padding: 0 var(--space-md);
    }
}

/* Small mobile (max 480px) */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .nations-grid {
        grid-template-columns: 1fr;
    }

    .listings-grid {
        grid-template-columns: 1fr;
    }

    .btn-group {
        flex-direction: column;
    }

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

    .nation-card .nation-meta {
        flex-direction: column;
        gap: var(--space-xs);
    }
}

/* Desktop large (min 1400px) */
@media (min-width: 1400px) {
    :root {
        --max-width: 1320px;
    }
}


/* Autocomplete Dropdown */
.autocomplete-dropdown {
    position: absolute;
    z-index: 100;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    list-style: none;
    margin: 2px 0 0;
    padding: 0;
    width: 100%;
    max-height: 220px;
    overflow-y: auto;
    display: none;
}

.autocomplete-item {
    padding: 8px 12px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-secondary);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.active {
    background: var(--bg-hover, rgba(255,255,255,0.05));
}

/* ---------------------------------------------------------------------------
   Marketplace
   --------------------------------------------------------------------------- */

.market-filters {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    align-items: flex-end;
}

.market-filters .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 150px;
}

.listings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.listing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    color: var(--text-primary);
}

.listing-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.listing-card .listing-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.listing-card .listing-price {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent);
    margin-bottom: var(--space-sm);
}

.listing-card .listing-meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: auto;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.listing-card .listing-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.badge-service {
    background: rgba(88, 166, 255, 0.15);
    color: #58a6ff;
    border: 1px solid rgba(88, 166, 255, 0.3);
}

.badge-coordinates {
    background: rgba(46, 160, 67, 0.15);
    color: #2ea043;
    border: 1px solid rgba(46, 160, 67, 0.3);
}

.badge-item {
    background: rgba(163, 113, 247, 0.15);
    color: #a371f7;
    border: 1px solid rgba(163, 113, 247, 0.3);
}

.badge-other {
    background: rgba(139, 148, 158, 0.15);
    color: #8b949e;
    border: 1px solid rgba(139, 148, 158, 0.3);
}

.purchase-summary {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.purchase-summary .summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    font-size: 0.9375rem;
}

.purchase-summary .summary-row.total {
    border-top: 1px solid var(--border-primary);
    padding-top: var(--space-md);
    margin-top: var(--space-sm);
    font-weight: 600;
    font-size: 1.0625rem;
}

/* =========================================================================
   Stock Exchange Styles
   ========================================================================= */

/* --- Exchange Grid --- */
.exchange-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-lg);
}

/* --- Stock Card --- */
.stock-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: border-color 0.2s ease, transform 0.15s ease;
    cursor: pointer;
}

.stock-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

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

.stock-ticker {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
}

.stock-name {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stock-price {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.stock-change {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

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

/* --- Price Change Indicators --- */
.price-up { color: var(--success); }
.price-down { color: var(--error); }
.price-neutral { color: var(--text-muted); }

/* --- Stock Type Badges --- */
.badge-nation {
    background: rgba(88, 166, 255, 0.15);
    color: #58a6ff;
    border: 1px solid rgba(88, 166, 255, 0.3);
}

.badge-business {
    background: rgba(240, 180, 41, 0.15);
    color: #f0b429;
    border: 1px solid rgba(240, 180, 41, 0.3);
}

/* --- Stock TX Type Badges --- */
.badge-stock_buy {
    background: rgba(46, 160, 67, 0.15);
    color: var(--success);
    border: 1px solid rgba(46, 160, 67, 0.3);
}

.badge-stock_sell {
    background: rgba(248, 81, 73, 0.15);
    color: var(--error);
    border: 1px solid rgba(248, 81, 73, 0.3);
}

/* --- Valuation Pillar Bars --- */
.pillar-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

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

.pillar-label {
    flex: 0 0 100px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.pillar-bar-track {
    flex: 1;
    height: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
}

.pillar-bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.pillar-bar-fill.composite {
    background: linear-gradient(90deg, var(--accent), var(--success));
}

.pillar-score {
    flex: 0 0 32px;
    text-align: right;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* --- Trade Summary --- */
.trade-summary {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    margin-top: var(--space-md);
}

.trade-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.trade-row.trade-total {
    border-top: 1px solid var(--border-primary);
    padding-top: var(--space-md);
    margin-top: var(--space-sm);
    font-weight: 700;
    font-size: 1.0625rem;
    color: var(--text-primary);
}

/* --- Exchange Responsive --- */
@media (max-width: 768px) {
    .exchange-grid {
        grid-template-columns: 1fr;
    }

    .pillar-label {
        flex: 0 0 80px;
        font-size: 0.8125rem;
    }
}

@media (max-width: 480px) {
    .stock-price {
        font-size: 1.25rem;
    }
}

/* ---------------------------------------------------------------------------
   GDP Badges & Currency Display
   --------------------------------------------------------------------------- */

/* GDP strength badge */
.gdp-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.gdp-strong {
    background: rgba(74, 222, 128, 0.15);
    color: #4ade80;
    border: 1px solid rgba(74, 222, 128, 0.3);
}

.gdp-moderate {
    background: rgba(250, 204, 21, 0.15);
    color: #facc15;
    border: 1px solid rgba(250, 204, 21, 0.3);
}

.gdp-weak {
    background: rgba(248, 113, 113, 0.15);
    color: #f87171;
    border: 1px solid rgba(248, 113, 113, 0.3);
}

/* Stat sub-text (e.g. TC equivalent below national coin balance) */
.stat-sub {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 0.125rem;
}

/* Local price display on marketplace listings */
.listing-price-local,
.price-local {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 0.125rem;
}

/* Nation currency tag on cards */
.nation-currency {
    font-size: 0.8125rem;
    color: var(--accent);
    margin-bottom: var(--space-xs);
}