* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

:root {
    --black: #000000;
    --gray-900: #111111;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    --green-600: #059669;
    --green-500: #10b981;
    --green-100: #d1fae5;
    --green-50: #ecfdf5;
    --orange-500: #f97316;
    --orange-100: #ffedd5;
    --red-500: #ef4444;
    --red-100: #fee2e2;
    --yellow-600: #ca8a04;
    --yellow-100: #fef9c3;
    --blue-600: #2563eb;
    --blue-500: #3b82f6;
    --blue-100: #dbeafe;
    --font-sans: 'IBM Plex Sans', -apple-system, sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
}

html, body { height: 100%; }
body {
    font-family: var(--font-sans);
    background: var(--white);
    color: var(--black);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Stats Bar */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    padding: 0.75rem 2rem;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.8rem;
    color: var(--gray-500);
}
.stat { display: flex; align-items: center; gap: 0.4rem; }
.stat-value { font-family: var(--font-mono); font-weight: 500; color: var(--black); }
.stat-link {
    display: flex; align-items: center; gap: 0.4rem;
    text-decoration: none; color: inherit;
    padding: 0.25rem 0.5rem; border-radius: 4px; transition: background 0.15s;
}
.stat-link:hover { background: var(--gray-100); }
.stat-link:hover .stat-value { text-decoration: underline; }

/* Main layout */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    padding-top: 3rem;
}

/* Logo */
.logo-section { text-align: center; margin-bottom: 1.5rem; }
.logo {
    display: flex; align-items: baseline; justify-content: center;
    gap: 0.25rem; margin-bottom: 0.5rem; text-decoration: none; user-select: none;
}
.logo-text { font-size: 3.92rem; font-weight: 400; letter-spacing: -0.03em; color: var(--black); }
.logo-mark {
    font-family: var(--font-mono); font-size: 2.42rem; color: #16a34a;
    animation: tau-spin 16s linear infinite; display: inline-block;
}
.page-subtitle {
    font-size: 0.75rem; font-family: var(--font-mono);
    letter-spacing: 0.02em; color: var(--gray-400); margin-bottom: 0.25rem;
}
.page-title { font-size: 0.85rem; color: var(--gray-500); line-height: 1.6; }
.page-title strong { color: var(--black); font-weight: 500; }

@-webkit-keyframes tau-spin { from { transform: rotateY(0deg); } to { transform: rotateY(-360deg); } }
@keyframes tau-spin { from { transform: rotateY(0deg); } to { transform: rotateY(-360deg); } }

/* Tabs */
.tab-nav {
    display: flex;
    gap: 0;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 2rem;
    max-width: 640px;
    width: 100%;
}
.tab-btn {
    flex: 1;
    padding: 0.75rem 0.5rem;
    border: none;
    background: var(--white);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-500);
    cursor: pointer;
    transition: all 0.15s;
    border-right: 1px solid var(--gray-200);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.tab-btn:last-child { border-right: none; }
.tab-btn:hover { background: var(--gray-50); color: var(--gray-700); }
.tab-btn.active { background: var(--black); color: var(--white); }

.tab-panel { display: none; max-width: 640px; width: 100%; }
.tab-panel.active { display: block; }

/* Cards */
.card {
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 1.5rem;
}
.card-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 1.5rem; padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-100);
}
.card-title {
    font-size: 0.7rem; font-family: var(--font-mono);
    text-transform: uppercase; letter-spacing: 0.05em; color: var(--gray-400);
}
.card-badge {
    font-family: var(--font-mono); font-size: 0.65rem;
    padding: 0.2rem 0.6rem; border-radius: 4px; font-weight: 600;
    letter-spacing: 0.03em;
}
.badge-live { background: var(--green-100); color: var(--green-600); }
.badge-beta { background: var(--yellow-100); color: var(--yellow-600); }
.badge-soon { background: var(--yellow-100); color: var(--yellow-600); }
.badge-planned { background: var(--gray-100); color: var(--gray-500); }

/* Forms */
.form-group { margin-bottom: 1.25rem; }
.form-label {
    display: block; font-size: 0.7rem; font-family: var(--font-mono);
    color: var(--gray-400); text-transform: uppercase;
    letter-spacing: 0.05em; margin-bottom: 0.5rem;
}
.form-input {
    width: 100%; padding: 0.875rem 1rem;
    border: 1px solid var(--gray-200); border-radius: 6px;
    font-family: var(--font-mono); font-size: 0.9rem;
    transition: border-color 0.15s; background: var(--white);
}
.form-input:focus { outline: none; border-color: var(--gray-400); }
.form-input::placeholder { color: var(--gray-400); }
.form-input.error { border-color: var(--red-500); }
.form-select {
    width: 100%; padding: 0.875rem 1rem;
    border: 1px solid var(--gray-200); border-radius: 6px;
    font-family: var(--font-mono); font-size: 0.9rem;
    background: var(--white); cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' fill='none' stroke='%239ca3af' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}
.form-select:focus { outline: none; border-color: var(--gray-400); }

/* Swap box */
.swap-pair {
    display: flex; align-items: center; gap: 0.75rem;
    margin-bottom: 1.5rem; position: relative;
}
.swap-pair .form-group { flex: 1; margin-bottom: 0; }
.swap-arrow {
    width: 36px; height: 36px; border-radius: 50%;
    border: 1px solid var(--gray-200); background: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; color: var(--gray-400); cursor: pointer;
    transition: all 0.15s; flex-shrink: 0; margin-top: 1.25rem;
}
.swap-arrow:hover { border-color: var(--gray-400); color: var(--black); }

.amount-row { display: flex; align-items: center; gap: 0.75rem; }
.amount-input { flex: 1; }
.amount-result {
    font-family: var(--font-mono); font-size: 0.85rem;
    color: var(--gray-600); white-space: nowrap;
}

/* Quote details */
.quote-details {
    background: var(--gray-50); border-radius: 6px;
    padding: 1rem 1.25rem; margin-bottom: 1.5rem;
    font-size: 0.8rem; display: none;
}
.quote-details.show { display: block; }
.quote-row {
    display: flex; justify-content: space-between;
    padding: 0.35rem 0; color: var(--gray-600);
}
.quote-row span:last-child { font-family: var(--font-mono); font-weight: 500; color: var(--black); }
.quote-row.impact-high span:last-child { color: var(--red-500); }
.quote-row.impact-med span:last-child { color: var(--orange-500); }

/* CLI output */
.cli-output {
    background: var(--gray-900); border-radius: 6px;
    padding: 1rem 1.25rem; margin-bottom: 1.5rem;
    font-family: var(--font-mono); font-size: 0.78rem;
    color: var(--gray-100); line-height: 1.7;
    position: relative; overflow-x: auto; display: none;
}
.cli-output.show { display: block; }
.cli-output .comment { color: var(--gray-500); }
.cli-copy {
    position: absolute; top: 0.5rem; right: 0.5rem;
    padding: 0.3rem 0.6rem; border: 1px solid var(--gray-700);
    border-radius: 4px; background: var(--gray-800);
    color: var(--gray-400); font-size: 0.65rem;
    font-family: var(--font-mono); cursor: pointer; transition: all 0.15s;
}
.cli-copy:hover { background: var(--gray-700); color: var(--gray-200); }

/* Primary button */
.btn-primary {
    width: 100%; padding: 1rem; border: none; border-radius: 6px;
    background: var(--black); color: var(--white);
    font-family: var(--font-sans); font-size: 0.95rem; font-weight: 500;
    cursor: pointer; transition: background 0.15s;
}
.btn-primary:hover { background: var(--gray-900); }
.btn-primary:disabled { background: var(--gray-300); cursor: not-allowed; }

.btn-secondary {
    width: 100%; padding: 0.875rem; border: 1px solid var(--gray-200);
    border-radius: 6px; background: var(--white);
    font-family: var(--font-sans); font-size: 0.9rem; font-weight: 500;
    cursor: pointer; transition: all 0.15s; color: var(--black);
}
.btn-secondary:hover { background: var(--gray-50); border-color: var(--gray-300); }

/* Table */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.data-table th {
    font-family: var(--font-mono); font-size: 0.65rem;
    text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--gray-400); text-align: left;
    padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--gray-200);
    font-weight: 500;
}
.data-table td {
    padding: 0.75rem; border-bottom: 1px solid var(--gray-100);
    font-family: var(--font-mono); font-size: 0.8rem;
}
.data-table tr:hover { background: var(--gray-50); }
.data-table .positive { color: var(--green-600); }
.data-table .negative { color: var(--red-500); }

/* Pool cards */
.pool-card {
    border: 1px solid var(--gray-200); border-radius: 6px;
    padding: 1.25rem; margin-bottom: 1rem; transition: border-color 0.15s;
    cursor: pointer;
}
.pool-card:hover { border-color: var(--gray-400); }
.pool-card-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 0.75rem;
}
.pool-pair { font-weight: 500; font-size: 0.95rem; }
.pool-fee {
    font-family: var(--font-mono); font-size: 0.7rem;
    padding: 0.15rem 0.5rem; background: var(--gray-100);
    border-radius: 4px; color: var(--gray-600);
}
.pool-stats {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
.pool-stat-label {
    font-size: 0.6rem; font-family: var(--font-mono);
    text-transform: uppercase; letter-spacing: 0.04em;
    color: var(--gray-400); margin-bottom: 0.15rem;
}
.pool-stat-value { font-family: var(--font-mono); font-size: 0.85rem; font-weight: 500; }

/* Bridge chain selector */
.chain-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem;
    margin-bottom: 1.5rem;
}
.chain-option {
    border: 1px solid var(--gray-200); border-radius: 6px;
    padding: 1rem; text-align: center; cursor: pointer;
    transition: all 0.15s; position: relative;
}
.chain-option:hover { border-color: var(--gray-400); }
.chain-option.selected { border-color: var(--black); background: var(--gray-50); }
.chain-option.disabled { opacity: 0.5; cursor: not-allowed; }
.chain-name {
    font-weight: 500; font-size: 0.85rem; margin-bottom: 0.15rem;
}
.chain-symbol {
    font-family: var(--font-mono); font-size: 0.7rem; color: var(--gray-500);
}
.chain-status {
    position: absolute; top: 0.4rem; right: 0.4rem;
    font-family: var(--font-mono); font-size: 0.55rem;
    padding: 0.1rem 0.35rem; border-radius: 3px;
}
.chain-status.live { background: var(--green-100); color: var(--green-600); }
.chain-status.beta { background: var(--yellow-100); color: var(--yellow-600); }
.chain-status.q3 { background: var(--yellow-100); color: var(--yellow-600); }
.chain-status.q4 { background: var(--gray-100); color: var(--gray-500); }

/* Warning / info boxes */
.warning-box {
    border-radius: 6px; padding: 1rem; margin-bottom: 1.5rem; display: none;
}
.warning-box.show { display: block; }
.warning-box.orange { background: var(--orange-100); border: 1px solid var(--orange-500); }
.warning-box.red { background: var(--red-100); border: 1px solid var(--red-500); }
.warning-box.yellow { background: var(--yellow-100); border: 1px solid var(--yellow-600); }
.warning-box.blue { background: var(--blue-100); border: 1px solid var(--blue-500); }
.warning-box.green { background: var(--green-100); border: 1px solid var(--green-600); }
.warning-title { font-weight: 600; margin-bottom: 0.5rem; font-size: 0.85rem; }
.warning-box.orange .warning-title { color: var(--orange-500); }
.warning-box.red .warning-title { color: var(--red-500); }
.warning-box.yellow .warning-title { color: var(--yellow-600); }
.warning-box.blue .warning-title { color: var(--blue-600); }
.warning-box.green .warning-title { color: var(--green-600); }
.warning-text { font-size: 0.8rem; color: var(--gray-700); line-height: 1.5; }

/* Empty state */
.empty-state {
    text-align: center; padding: 3rem 1.5rem;
    border: 1px dashed var(--gray-300); border-radius: 8px;
}
.empty-icon { font-size: 2rem; margin-bottom: 0.75rem; color: var(--gray-300); }
.empty-title { font-size: 1rem; font-weight: 500; margin-bottom: 0.5rem; }
.empty-text { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 1.25rem; line-height: 1.5; }
.empty-link {
    font-family: var(--font-mono); font-size: 0.8rem;
    color: var(--black); text-decoration: underline;
    text-underline-offset: 2px; cursor: pointer;
}

/* Roadmap */
.roadmap-list { list-style: none; padding: 0; }
.roadmap-item {
    display: flex; gap: 1.25rem; padding: 1.25rem 0;
    border-bottom: 1px solid var(--gray-100); position: relative;
}
.roadmap-item:last-child { border-bottom: none; }
.roadmap-marker {
    width: 28px; height: 28px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.7rem; font-weight: 600; flex-shrink: 0;
    font-family: var(--font-mono);
}
.roadmap-marker.done { background: var(--green-100); color: var(--green-600); }
.roadmap-marker.current { background: var(--black); color: var(--white); }
.roadmap-marker.future { background: var(--gray-100); color: var(--gray-400); }
.roadmap-content { flex: 1; }
.roadmap-phase {
    font-family: var(--font-mono); font-size: 0.65rem;
    text-transform: uppercase; letter-spacing: 0.04em;
    color: var(--gray-400); margin-bottom: 0.2rem;
}
.roadmap-title { font-weight: 500; font-size: 0.95rem; margin-bottom: 0.25rem; }
.roadmap-desc { font-size: 0.82rem; color: var(--gray-600); line-height: 1.5; }
.roadmap-status {
    font-family: var(--font-mono); font-size: 0.65rem;
    margin-top: 0.4rem; display: inline-block;
    padding: 0.15rem 0.5rem; border-radius: 3px;
}
.roadmap-status.complete { background: var(--green-100); color: var(--green-600); }
.roadmap-status.active { background: var(--black); color: var(--white); }
.roadmap-status.upcoming { background: var(--gray-100); color: var(--gray-500); }

/* Slippage */
.slippage-row {
    display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.25rem;
}
.slippage-label {
    font-size: 0.7rem; font-family: var(--font-mono);
    color: var(--gray-400); text-transform: uppercase;
    letter-spacing: 0.05em; white-space: nowrap;
}
.slippage-options { display: flex; gap: 0.35rem; }
.slippage-opt {
    padding: 0.35rem 0.65rem; border: 1px solid var(--gray-200);
    border-radius: 4px; font-family: var(--font-mono); font-size: 0.75rem;
    cursor: pointer; transition: all 0.15s; background: var(--white);
}
.slippage-opt:hover { border-color: var(--gray-400); }
.slippage-opt.active { background: var(--black); color: var(--white); border-color: var(--black); }

/* Wallet connect */
.wallet-btn {
    display: flex; align-items: center; justify-content: center; gap: 0.5rem;
    width: 100%; padding: 0.875rem 1rem;
    border: 1px solid var(--gray-200); border-radius: 8px;
    background: var(--white); font-family: var(--font-sans); font-size: 0.9rem;
    font-weight: 500; cursor: pointer; transition: all 0.15s; margin-bottom: 1.25rem;
}
.wallet-btn:hover { border-color: var(--gray-400); background: var(--gray-50); }
.wallet-btn.connected {
    border-color: var(--green-600); background: var(--green-100); color: var(--green-600);
}
.wallet-btn .wallet-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--gray-300); display: inline-block;
}
.wallet-btn.connected .wallet-dot { background: var(--green-600); }
.wallet-addr {
    font-family: var(--font-mono); font-size: 0.75rem; color: var(--gray-500);
    text-align: center; margin-bottom: 1rem; margin-top: -0.75rem;
}
.wallet-balance {
    font-family: var(--font-mono); font-size: 0.8rem; color: var(--gray-600);
    text-align: center; margin-bottom: 1rem;
    padding: 0.5rem; background: var(--gray-50); border-radius: 6px;
}
.wallet-chain-warning {
    background: var(--orange-100); color: var(--orange-500);
    padding: 0.75rem; border-radius: 6px; font-size: 0.8rem;
    text-align: center; margin-bottom: 1rem; cursor: pointer;
}
.wallet-chain-warning:hover { opacity: 0.9; }

/* Buy DOLI specific */
.liquidity-info {
    text-align: center; margin-bottom: 1.5rem;
    padding-bottom: 1.5rem; border-bottom: 1px solid var(--gray-200);
}
.liquidity-label {
    font-size: 0.7rem; font-family: var(--font-mono);
    text-transform: uppercase; letter-spacing: 0.05em; color: var(--gray-400);
}
.liquidity-value { font-family: var(--font-mono); font-size: 1.25rem; font-weight: 500; margin-top: 0.25rem; }
.rate { font-size: 0.85rem; color: var(--gray-500); margin-top: 0.5rem; }

.chain-badge {
    display: inline-block; padding: 0.35rem 0.75rem;
    background: var(--yellow-100); color: var(--yellow-600);
    border-radius: 4px; font-size: 0.7rem; font-family: var(--font-mono);
    font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.05em; margin-bottom: 1.25rem;
}
.exact-amount { font-size: 1.1rem; margin-bottom: 1.25rem; line-height: 1.6; }
.exact-amount strong { font-family: var(--font-mono); font-size: 1.3rem; }
.qr-container { display: flex; justify-content: center; margin-bottom: 1rem; }
.qr-container canvas { border: 1px solid var(--gray-200); border-radius: 6px; padding: 8px; }
.pool-address-box {
    display: flex; align-items: center; gap: 0.5rem;
    background: var(--gray-50); border: 1px solid var(--gray-200);
    border-radius: 6px; padding: 0.75rem; margin-bottom: 1rem;
}
.pool-address-text {
    flex: 1; font-family: var(--font-mono); font-size: 0.7rem;
    word-break: break-all; text-align: left; user-select: all;
}
.copy-btn {
    padding: 0.4rem 0.75rem; border: 1px solid var(--gray-200);
    border-radius: 4px; background: var(--white); font-size: 0.7rem;
    font-family: var(--font-mono); cursor: pointer; white-space: nowrap;
    transition: all 0.15s;
}
.copy-btn:hover { background: var(--gray-100); }
.countdown { font-family: var(--font-mono); font-size: 0.85rem; color: var(--gray-500); margin-bottom: 1rem; }
.doli-receive { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 1rem; }
.doli-receive strong { color: var(--black); }
.status-box { padding: 1.25rem; border-radius: 6px; text-align: center; font-size: 0.9rem; }
.status-box.pending { background: var(--gray-100); color: var(--gray-700); }
.status-box.success { background: var(--green-100); color: var(--green-600); }
.status-box.success .spinner { display: none; }
.status-box.error { background: var(--red-100); color: var(--red-500); }
.status-box.error .spinner { display: none; }

.spinner {
    display: inline-block; width: 14px; height: 14px;
    border: 2px solid var(--gray-300); border-top-color: var(--black);
    border-radius: 50%; animation: spin 1s linear infinite; margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hidden { display: none !important; }

/* Section divider */
.section-divider {
    width: 100%; border: none; border-top: 1px solid var(--gray-200);
    margin: 1.5rem 0;
}

/* Activity list */
.activity-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.75rem 0; border-bottom: 1px solid var(--gray-100);
    font-size: 0.8rem;
}
.activity-item:last-child { border-bottom: none; }
.activity-type {
    font-family: var(--font-mono); font-size: 0.7rem;
    padding: 0.15rem 0.4rem; border-radius: 3px;
    background: var(--gray-100); color: var(--gray-600);
}
.activity-detail { font-family: var(--font-mono); color: var(--gray-600); }
.activity-time { color: var(--gray-400); font-size: 0.75rem; }

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-50) 50%, var(--gray-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px; height: 1rem;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* Footer */
footer {
    padding: 1.5rem 2rem; border-top: 1px solid var(--gray-200);
    font-size: 0.8rem; color: var(--gray-400); text-align: center;
}
footer a { color: var(--gray-500); text-decoration: none; margin: 0 0.5rem; }
footer a:hover { color: var(--black); }
footer .quote { font-style: italic; }

/* ========== Bridge Wizard ========== */

/* Progress bar */
.wiz-progress {
    display: flex; gap: 2px; margin-bottom: 0.5rem;
}
.wiz-progress-seg {
    flex: 1; height: 4px; border-radius: 2px;
    background: var(--gray-200); transition: background 0.3s;
}
.wiz-progress-seg.done { background: var(--green-600); }
.wiz-progress-seg.current { background: var(--black); }
.wiz-progress-subtitle {
    font-family: var(--font-mono); font-size: 0.7rem;
    color: var(--gray-500); margin-bottom: 1.5rem;
}

/* Step containers */
.wiz-step { display: none; }
.wiz-step.active { display: block; }
.wiz-step-title {
    font-size: 1rem; font-weight: 500; margin-bottom: 0.25rem;
}
.wiz-step-desc {
    font-size: 0.82rem; color: var(--gray-500); margin-bottom: 1.5rem; line-height: 1.5;
}

/* Wizard navigation */
.wiz-nav {
    display: flex; gap: 0.75rem; margin-top: 1.5rem;
}
.wiz-nav .btn-primary { flex: 1; }
.wiz-nav .btn-secondary { flex: 0 0 auto; width: auto; padding: 0.875rem 1.5rem; }
.wiz-nav-cancel {
    background: none; border: none; font-family: var(--font-mono);
    font-size: 0.75rem; color: var(--gray-400); cursor: pointer;
    padding: 0.5rem 0; transition: color 0.15s;
}
.wiz-nav-cancel:hover { color: var(--gray-600); }

/* Direction toggle (replaces broken <select>) */
.dir-toggle {
    display: flex; border: 1px solid var(--gray-200); border-radius: 6px;
    overflow: hidden; margin-bottom: 1.5rem;
}
.dir-toggle-opt {
    flex: 1; padding: 0.875rem 0.75rem; border: none;
    background: var(--white); cursor: pointer; text-align: center;
    font-family: var(--font-sans); font-size: 0.85rem; font-weight: 500;
    transition: all 0.15s; color: var(--gray-600);
}
.dir-toggle-opt + .dir-toggle-opt { border-left: 1px solid var(--gray-200); }
.dir-toggle-opt:hover { background: var(--gray-50); }
.dir-toggle-opt.active {
    background: var(--black); color: var(--white); border-color: var(--black);
}
.dir-toggle-sub {
    display: block; font-size: 0.65rem; font-family: var(--font-mono);
    color: var(--gray-400); margin-top: 0.2rem;
}
.dir-toggle-opt.active .dir-toggle-sub { color: var(--gray-400); }

/* Wallet modal */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.5);
    z-index: 1000; display: none; align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal-card {
    background: var(--white); border-radius: 8px; padding: 2rem;
    max-width: 480px; width: calc(100% - 2rem); position: relative;
    box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}
.modal-close {
    position: absolute; top: 0.75rem; right: 0.75rem;
    background: none; border: none; font-size: 1.2rem;
    color: var(--gray-400); cursor: pointer; padding: 0.25rem;
    line-height: 1;
}
.modal-close:hover { color: var(--gray-700); }
.modal-title {
    font-size: 1rem; font-weight: 500; margin-bottom: 0.5rem;
}
.modal-desc {
    font-size: 0.82rem; color: var(--gray-500); margin-bottom: 1.25rem; line-height: 1.5;
}
.modal-input-wrap {
    position: relative; margin-bottom: 0.75rem;
}
.modal-input-wrap .form-input {
    padding-right: 3.5rem;
}
.modal-toggle-vis {
    position: absolute; right: 0.75rem; top: 50%; transform: translateY(-50%);
    background: none; border: none; font-family: var(--font-mono);
    font-size: 0.7rem; color: var(--gray-400); cursor: pointer;
    padding: 0.25rem;
}
.modal-toggle-vis:hover { color: var(--gray-700); }
.modal-error {
    font-size: 0.8rem; color: var(--red-500); margin-bottom: 0.75rem;
    display: none;
}
.modal-error.show { display: block; }
.modal-actions {
    display: flex; gap: 0.75rem; margin-top: 1rem;
}
.modal-actions .btn-primary,
.modal-actions .btn-secondary { flex: 1; }
.modal-footer {
    font-size: 0.7rem; color: var(--gray-400); margin-top: 1rem; text-align: center;
}

/* Inline validation */
.field-error {
    font-size: 0.75rem; color: var(--red-500); margin-top: 0.35rem;
    display: none;
}
.field-error.show { display: block; }
.field-hint {
    font-size: 0.7rem; color: var(--gray-400); margin-top: 0.35rem;
    font-family: var(--font-mono);
}

/* Risk accordion */
.risk-section { margin-bottom: 1rem; }
.risk-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.875rem 1rem; background: var(--gray-50); border-radius: 6px;
    cursor: pointer; font-size: 0.85rem; font-weight: 500;
    transition: background 0.15s; border: 1px solid var(--gray-100);
}
.risk-header:hover { background: var(--gray-100); }
.risk-arrow {
    font-size: 0.7rem; color: var(--gray-400);
    transition: transform 0.2s;
}
.risk-section.open .risk-arrow { transform: rotate(180deg); }
.risk-body {
    display: none; padding: 1rem; font-size: 0.82rem;
    color: var(--gray-600); line-height: 1.6;
}
.risk-section.open .risk-body { display: block; }
.risk-body ul {
    list-style: disc; padding-left: 1.25rem; margin: 0.5rem 0;
}
.risk-body li { margin-bottom: 0.35rem; }
.risk-check {
    display: flex; align-items: flex-start; gap: 0.5rem;
    padding: 1rem; background: var(--yellow-100); border-radius: 6px;
    border: 1px solid var(--yellow-600); font-size: 0.82rem;
    margin-top: 0.5rem;
}
.risk-check input[type="checkbox"] {
    margin-top: 0.15rem; flex-shrink: 0; accent-color: var(--black);
}
.risk-check.error { border-color: var(--red-500); animation: pulse-border 0.5s; }
@keyframes pulse-border {
    0%, 100% { border-color: var(--red-500); }
    50% { border-color: var(--yellow-600); }
}

/* Review summary table */
.review-table { width: 100%; margin-bottom: 1.5rem; }
.review-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.6rem 0; border-bottom: 1px solid var(--gray-100);
    font-size: 0.82rem;
}
.review-row:last-child { border-bottom: none; }
.review-label { color: var(--gray-500); }
.review-value {
    font-family: var(--font-mono); font-weight: 500;
    text-align: right; max-width: 60%; word-break: break-all;
}
.review-edit {
    font-family: var(--font-mono); font-size: 0.7rem;
    color: var(--gray-400); cursor: pointer; margin-left: 0.5rem;
    text-decoration: underline; text-underline-offset: 2px;
}
.review-edit:hover { color: var(--black); }

/* Preimage display */
.preimage-box {
    background: var(--yellow-100); border: 2px solid var(--yellow-600);
    border-radius: 8px; padding: 1.5rem; margin-bottom: 1.5rem; text-align: center;
}
.preimage-title {
    font-size: 0.95rem; font-weight: 600; color: var(--yellow-600);
    margin-bottom: 0.5rem; text-transform: uppercase;
    font-family: var(--font-mono); letter-spacing: 0.03em;
}
.preimage-warn {
    font-size: 0.82rem; color: var(--gray-700); margin-bottom: 1rem; line-height: 1.5;
}
.preimage-value {
    font-family: var(--font-mono); font-size: 0.7rem;
    background: var(--white); border: 1px solid var(--gray-200);
    border-radius: 6px; padding: 0.75rem; word-break: break-all;
    user-select: all; margin-bottom: 0.75rem; text-align: left;
}
.preimage-actions {
    display: flex; gap: 0.5rem; justify-content: center;
}
.preimage-actions .copy-btn { flex: 0 0 auto; }

/* Tracker: start new swap */
.tracker-new-swap {
    text-align: center; margin-top: 1rem; padding-top: 1rem;
    border-top: 1px solid var(--gray-100);
}

/* Wallet pair (two wallet buttons side by side or stacked) */
.wallet-pair {
    display: flex; flex-direction: column; gap: 0.75rem;
    margin-bottom: 1.25rem;
}

/* Responsive */
@media (max-width: 600px) {
    .stats-bar { gap: 0.5rem 1.2rem; font-size: 0.65rem; padding: 0.5rem 1rem; }
    .stat, .stat-link { gap: 0.25rem; }
    .stat-link { padding: 0.2rem 0.3rem; }
    .logo-text { font-size: 2.8rem; }
    .logo-mark { font-size: 1.8rem; }
    .main { padding: 1.5rem 1rem; padding-top: 2rem; }
    .tab-nav { border-radius: 6px; }
    .tab-btn { padding: 0.6rem 0.25rem; font-size: 0.6rem; letter-spacing: 0.02em; }
    .card { padding: 1.25rem; }
    .swap-pair { flex-direction: column; gap: 0; }
    .swap-arrow { margin-top: 0; margin-bottom: 0.5rem; align-self: center; }
    .chain-grid { grid-template-columns: repeat(2, 1fr); }
    .pool-stats { grid-template-columns: repeat(2, 1fr); }
    .slippage-row { flex-wrap: wrap; }
    .dir-toggle { flex-direction: column; }
    .dir-toggle-opt + .dir-toggle-opt { border-left: none; border-top: 1px solid var(--gray-200); }
    .wiz-nav { flex-direction: column-reverse; }
    .wiz-nav .btn-secondary { width: 100%; }
    .modal-card { padding: 1.5rem; }
    .preimage-actions { flex-direction: column; }
}