:root {
    color-scheme: dark;
    --bg: #080b12;
    --bg-soft: #0c111b;
    --panel: rgba(17, 24, 39, 0.82);
    --panel-solid: #121927;
    --panel-strong: #172033;
    --line: rgba(148, 163, 184, 0.2);
    --line-strong: rgba(148, 163, 184, 0.32);
    --text: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --primary: #8b5cf6;
    --primary-light: #a78bfa;
    --cyan: #22d3ee;
    --amber: #f59e0b;
    --pink: #ec4899;
    --green: #22c55e;
    --danger: #ef4444;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
    --radius: 8px;
    --nav-height: 72px;
    --max: 1280px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background: var(--bg);
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        linear-gradient(180deg, rgba(34, 211, 238, 0.08) 0%, rgba(8, 11, 18, 0) 280px),
        linear-gradient(135deg, rgba(139, 92, 246, 0.09) 0%, rgba(139, 92, 246, 0) 42%),
        linear-gradient(225deg, rgba(245, 158, 11, 0.08) 0%, rgba(245, 158, 11, 0) 36%),
        var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    letter-spacing: 0;
    line-height: 1.5;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(180deg, black 0%, transparent 75%);
}

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

button,
input {
    font: inherit;
}

button {
    letter-spacing: 0;
}

.hidden {
    display: none !important;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(148, 163, 184, 0.16);
    background: rgba(8, 11, 18, 0.78);
    backdrop-filter: blur(18px);
}

.nav-inner {
    width: min(var(--max), calc(100% - 40px));
    height: var(--nav-height);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 120px;
    font-weight: 800;
}

.logo-mark {
    display: inline-grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border-radius: 8px;
    border: 1px solid rgba(34, 211, 238, 0.4);
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.16), rgba(236, 72, 153, 0.16));
    color: var(--text);
}

.logo-text,
.footer-logo {
    font-size: 1.05rem;
    font-weight: 850;
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex: 1;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 0 12px;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.92rem;
    white-space: nowrap;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
}

.nav-tools {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    min-width: 260px;
}

.lang-switcher {
    position: relative;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 180px;
    padding: 6px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #111827;
    box-shadow: var(--shadow);
}

.lang-option {
    padding: 9px 10px;
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
}

.lang-option:hover,
.lang-option.active {
    background: rgba(34, 211, 238, 0.12);
    color: var(--text);
}

.btn,
.icon-btn {
    border: 1px solid transparent;
    border-radius: 8px;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 15px;
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
    cursor: pointer;
    transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, opacity 160ms ease;
    white-space: nowrap;
}

.btn:hover,
.icon-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.1);
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.55;
    transform: none;
}

.btn-primary {
    background: linear-gradient(135deg, #7c3aed, #0ea5e9);
    border-color: rgba(255, 255, 255, 0.18);
    font-weight: 750;
}

.btn-secondary {
    background: rgba(15, 23, 42, 0.82);
    border-color: var(--line);
}

.btn-outline,
.btn-quiet {
    background: transparent;
    border-color: var(--line);
}

.btn-mini,
.btn-sm {
    min-height: 34px;
    padding: 0 10px;
    font-size: 0.86rem;
}

.btn-block {
    width: 100%;
}

.icon-btn {
    min-width: 40px;
    padding: 0 10px;
}

.hamburger-btn {
    display: none;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
}

.hamburger-btn span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    border-radius: 999px;
    background: var(--text);
}

.mobile-nav-overlay,
.mobile-nav-drawer {
    display: none;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-badge,
.status-pill,
.pricing-badge,
.mc-g-badge,
.sel-mode-badge,
.modal-mode-badge,
.modal-family-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 26px;
    padding: 0 9px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.07);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
}

.status-pill {
    justify-self: start;
    align-self: start;
}

.wallet-short {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-secondary);
    font-size: 0.86rem;
}

.announcement-bar {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    z-index: 90;
    border-bottom: 1px solid rgba(245, 158, 11, 0.22);
    background: rgba(28, 20, 8, 0.94);
}

.announcement-inner {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
    min-height: 42px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fde68a;
    font-size: 0.9rem;
}

.announcement-text {
    flex: 1;
}

.announcement-link {
    color: #67e8f9;
}

.announcement-close {
    border: 0;
    color: #fde68a;
    background: transparent;
    cursor: pointer;
    font-size: 1.25rem;
}

main {
    padding-top: var(--nav-height);
}

.workbench {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
    padding: 58px 0 74px;
}

.workbench-copy {
    max-width: 880px;
    margin-bottom: 28px;
}

.eyebrow,
.section-kicker,
.panel-kicker {
    margin: 0 0 10px;
    color: var(--cyan);
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
}

.hero-title {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin: 0;
    color: var(--text);
    font-size: 3.8rem;
    line-height: 1.02;
    font-weight: 900;
}

.hero-title span:last-child {
    color: #93c5fd;
}

.hero-desc {
    max-width: 780px;
    margin: 18px 0 0;
    color: var(--text-secondary);
    font-size: 1.04rem;
}

.workbench-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
    gap: 18px;
    align-items: stretch;
}

.tool-panel,
.inspector-panel,
.mode-select,
.feature-card,
.pricing-card,
.benchmark-table-wrap,
.faq-item,
.about-copy,
.share-panel,
.modal-content,
.result-area {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.24);
    backdrop-filter: blur(18px);
}

.tool-panel,
.inspector-panel {
    min-height: 430px;
    padding: 22px;
}

.panel-heading,
.section-heading,
.modal-header-row,
.result-header,
.progress-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.panel-heading h2,
.section-heading h2,
.modal-header h2 {
    margin: 0;
    font-size: 1.8rem;
    line-height: 1.16;
}

.panel-heading p,
.section-heading p,
.modal-header p {
    margin: 0;
    color: var(--text-muted);
}

.signal-strip {
    height: 78px;
    margin: 24px 0;
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    align-items: end;
    gap: 5px;
    padding: 12px;
    border: 1px solid rgba(34, 211, 238, 0.16);
    border-radius: var(--radius);
    background:
        linear-gradient(90deg, rgba(34, 211, 238, 0.08), rgba(236, 72, 153, 0.06)),
        rgba(2, 6, 23, 0.42);
}

.signal-strip span {
    display: block;
    height: var(--h);
    min-height: 8px;
    border-radius: 4px 4px 0 0;
    background: linear-gradient(180deg, var(--cyan), rgba(139, 92, 246, 0.7));
}

.converter-guest {
    display: grid;
    gap: 12px;
    justify-items: start;
    padding: 22px;
    border: 1px dashed rgba(148, 163, 184, 0.32);
    border-radius: var(--radius);
    background: rgba(15, 23, 42, 0.58);
}

.guest-lock {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: rgba(245, 158, 11, 0.12);
}

.converter-guest h3,
.converter-guest p {
    margin: 0;
}

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

.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.converter-panel {
    display: grid;
    gap: 14px;
}

.upload-zone {
    min-height: 156px;
    display: grid;
    grid-template-columns: 54px minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    padding: 20px;
    border: 1px dashed rgba(34, 211, 238, 0.36);
    border-radius: var(--radius);
    background: rgba(8, 13, 23, 0.72);
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--cyan);
    background: rgba(34, 211, 238, 0.08);
}

.upload-icon {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: rgba(34, 211, 238, 0.12);
    color: var(--cyan);
    font-size: 1.6rem;
}

.upload-text {
    margin: 0 0 4px;
    font-weight: 800;
}

.upload-hint,
.hint,
.muted-text {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.86rem;
}

.file-info {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
}

.file-info span:first-child {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-size {
    color: var(--cyan);
    white-space: nowrap;
}

.btn-convert {
    min-height: 48px;
    font-size: 1rem;
}

.btn-referral-mini {
    border-color: rgba(34, 211, 238, 0.34);
    background: rgba(34, 211, 238, 0.10);
    color: var(--cyan);
}

.result-referral-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 14px;
    border: 1px solid rgba(34, 211, 238, 0.30);
    border-radius: 8px;
    background: rgba(34, 211, 238, 0.07);
}

.result-referral-card strong {
    color: var(--text);
    font-size: 0.98rem;
}

.result-referral-card p {
    margin: 4px 0 0;
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.45;
}

.result-referral-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
    min-width: 260px;
}

.result-referral-actions .btn {
    min-height: 36px;
    padding: 0 12px;
    font-size: 0.84rem;
    white-space: nowrap;
}

.progress-area {
    display: grid;
    gap: 10px;
}

.progress-bar-container,
.referral-track {
    height: 10px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}

.progress-bar,
#referralProgressBar {
    height: 100%;
    width: 0;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--cyan), var(--pink));
    transition: width 260ms ease;
}

.progress-text,
.payment-status {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.timing-callout,
.download-status {
    display: grid;
    gap: 5px;
    padding: 12px 14px;
    border: 1px solid rgba(245, 158, 11, 0.34);
    border-radius: 8px;
    background: rgba(245, 158, 11, 0.12);
    color: var(--text);
}

.timing-callout strong,
.download-status strong {
    color: #fbbf24;
    font-size: 1rem;
}

.timing-callout span,
.download-status span {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.45;
}

.download-status {
    border-color: rgba(34, 211, 238, 0.36);
    background: rgba(34, 211, 238, 0.10);
}

.download-status strong {
    color: var(--cyan);
}

.download-status.error {
    border-color: rgba(248, 113, 113, 0.42);
    background: rgba(248, 113, 113, 0.12);
}

.download-status.error strong {
    color: #fca5a5;
}

.result-area {
    display: grid;
    gap: 14px;
    padding: 18px;
}

.result-icon {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: rgba(34, 197, 94, 0.14);
    color: #86efac;
    font-weight: 900;
}

.result-header h3 {
    margin: 0;
    flex: 1;
}

.result-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.result-stat {
    display: grid;
    gap: 2px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.04);
}

.result-stat span {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.inspector-panel {
    display: grid;
    align-content: start;
    gap: 16px;
}

.selected-mode-display {
    display: grid;
    gap: 18px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius);
    background:
        linear-gradient(135deg, var(--sel-glow-color), transparent 42%),
        rgba(8, 13, 23, 0.78);
}

.sel-mode-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.sel-mode-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
}

.sel-mode-info {
    min-width: 0;
    display: grid;
    gap: 2px;
}

.sel-mode-label,
.sel-mode-family,
.sel-bar-compact-label {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.sel-mode-name {
    font-size: 1.45rem;
    font-weight: 850;
}

.sel-mode-right {
    display: grid;
    gap: 12px;
}

.sel-strength-bars,
.mc-g-bars {
    display: flex;
    gap: 5px;
    align-items: center;
}

.sel-strength-bar,
.mc-g-bar {
    display: block;
    width: 28px;
    height: 7px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
}

.sel-strength-bar.filled {
    background: var(--pink);
}

.sel-bars-compact {
    display: grid;
    gap: 8px;
}

.sel-bar-compact-row,
.modal-bar-row,
.mc-g-hover-row {
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
}

.sel-bar-compact-track,
.modal-bar,
.mc-g-hover-track {
    height: 8px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
}

.sel-bar-compact-fill,
.modal-bar-fill,
.mc-g-hover-fill {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--cyan), var(--primary));
}

.sel-detail-btn {
    justify-self: start;
}

.stat-stack {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.stat-item {
    min-height: 92px;
    display: grid;
    align-content: center;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.04);
}

.stat-item strong {
    font-size: 1.25rem;
}

.stat-item span {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.mode-select {
    margin-top: 18px;
    padding: 22px;
}

.section-heading {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto 24px;
}

.mode-select .section-heading {
    width: auto;
    margin: 0 0 16px;
}

.section-heading.compact {
    align-items: end;
}

.section-heading > p:last-child {
    max-width: 660px;
}

.mode-grid {
    display: grid;
    gap: 14px;
}

.mc-family-section {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: rgba(2, 6, 23, 0.38);
}

.mc-family-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 16px;
    cursor: pointer;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(90deg, color-mix(in srgb, var(--mc-accent) 16%, transparent), rgba(255, 255, 255, 0.02));
}

.mc-family-header-left,
.mc-family-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mc-family-icon {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
}

.mc-family-info {
    display: grid;
    gap: 2px;
}

.mc-family-name {
    font-weight: 850;
}

.mc-family-desc {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.mc-family-count {
    color: var(--text-muted);
    font-size: 0.86rem;
}

.mc-family-toggle {
    display: inline-block;
    transition: transform 180ms ease;
}

.mc-family-toggle.collapsed {
    transform: rotate(-90deg);
}

.mc-family-body {
    transition: max-height 260ms ease;
}

.mc-family-body.collapsed {
    overflow: hidden;
}

.mc-gallery-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
    padding: 14px;
}

.mc-gallery-card {
    min-height: 154px;
    display: grid;
    grid-template-rows: auto 1fr auto auto;
    gap: 10px;
    padding: 12px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: var(--radius);
    background: rgba(15, 23, 42, 0.74);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.mc-gallery-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-top: 2px solid var(--mc-accent);
    opacity: 0.38;
    pointer-events: none;
}

.mc-gallery-card:hover,
.mc-gallery-card.selected {
    border-color: color-mix(in srgb, var(--mc-accent) 62%, white 0%);
    background: color-mix(in srgb, var(--mc-accent) 10%, rgba(15, 23, 42, 0.9));
}

.mc-gallery-card.selected {
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--mc-accent) 54%, transparent);
}

.mc-gallery-nova {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.16), rgba(34, 211, 238, 0.08)), rgba(15, 23, 42, 0.78);
}

.mc-g-top,
.mc-g-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-width: 0;
}

.mc-g-bitrate,
.mc-g-meta,
.mc-g-hover-label,
.modal-bar-label {
    color: var(--text-muted);
    font-size: 0.76rem;
    white-space: nowrap;
}

.mc-g-center {
    display: grid;
    align-content: center;
    justify-items: start;
    gap: 8px;
    min-width: 0;
}

.mc-g-icon {
    font-size: 1.25rem;
}

.mc-g-name {
    min-height: 2.5em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 0.96rem;
    font-weight: 780;
    line-height: 1.25;
}

.mc-g-hover-info {
    display: grid;
    gap: 6px;
    padding-top: 4px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mc-g-hover-row {
    grid-template-columns: 16px minmax(0, 1fr);
    gap: 6px;
}

.mc-g-bar {
    width: 16px;
    height: 6px;
}

.mc-g-bar-fill {
    background: var(--mc-accent);
}

.mc-g-bar-empty {
    background: rgba(255, 255, 255, 0.12);
}

.family-spectral-badge {
    color: #ddd6fe;
    border-color: rgba(139, 92, 246, 0.36);
    background: rgba(139, 92, 246, 0.13);
}

.family-temporal-badge {
    color: #a5f3fc;
    border-color: rgba(6, 182, 212, 0.36);
    background: rgba(6, 182, 212, 0.13);
}

.family-psycho-badge {
    color: #fde68a;
    border-color: rgba(245, 158, 11, 0.36);
    background: rgba(245, 158, 11, 0.13);
}

.family-hybrid-badge {
    color: #fbcfe8;
    border-color: rgba(236, 72, 153, 0.36);
    background: rgba(236, 72, 153, 0.13);
}

.band {
    padding: 74px 0;
}

.band.muted {
    border-top: 1px solid rgba(148, 163, 184, 0.1);
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    background: rgba(15, 23, 42, 0.24);
}

.feature-grid,
.pricing-grid,
.faq-list,
.about-layout {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.feature-card,
.pricing-card,
.faq-item,
.about-copy,
.share-panel {
    padding: 20px;
}

.feature-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    margin-bottom: 14px;
    border-radius: 8px;
    background: rgba(34, 211, 238, 0.1);
    color: var(--cyan);
    font-size: 1.25rem;
}

.feature-card h3,
.pricing-card h3,
.share-panel h3 {
    margin: 0 0 8px;
}

.feature-card p,
.pricing-card p,
.about-copy p,
.share-panel p {
    margin: 0;
    color: var(--text-secondary);
}

.benchmark-table-wrap {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
    overflow-x: auto;
}

.benchmark-table {
    width: 100%;
    min-width: 680px;
    border-collapse: collapse;
}

.benchmark-table th,
.benchmark-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.benchmark-table th {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.benchmark-bar-row {
    display: grid;
    grid-template-columns: minmax(120px, 1fr) 64px;
    gap: 10px;
    align-items: center;
}

.benchmark-bar {
    height: 9px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}

.benchmark-bar-fill {
    height: 100%;
    border-radius: inherit;
}

.benchmark-bar-before .benchmark-bar-fill {
    background: linear-gradient(90deg, var(--amber), var(--danger));
}

.benchmark-bar-after .benchmark-bar-fill {
    background: linear-gradient(90deg, var(--green), var(--cyan));
}

.benchmark-average {
    font-weight: 800;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.pricing-card {
    display: grid;
    align-content: start;
    gap: 12px;
    min-height: 320px;
    cursor: pointer;
}

.pricing-card:hover {
    border-color: var(--line-strong);
}

.pricing-card.featured {
    border-color: rgba(34, 211, 238, 0.5);
    background:
        linear-gradient(180deg, rgba(34, 211, 238, 0.1), rgba(236, 72, 153, 0.08)),
        var(--panel);
}

.pricing-card.crypto {
    border-color: rgba(245, 158, 11, 0.35);
}

.tier-name {
    color: var(--text-secondary);
    font-weight: 800;
}

.price {
    font-size: 2rem;
    font-weight: 900;
}

.tier-desc {
    min-height: 48px;
}

.tier-features {
    display: grid;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
    color: var(--text-secondary);
}

.tier-features li::before {
    content: "✓";
    margin-right: 8px;
    color: var(--green);
}

.pricing-share-row {
    display: grid;
    gap: 8px;
    margin-top: auto;
}

.pricing-referral-pitch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin: 4px 0 12px;
}

.pricing-referral-pitch span {
    display: grid;
    gap: 2px;
    padding: 10px;
    border: 1px solid rgba(245, 158, 11, 0.28);
    border-radius: 8px;
    background: rgba(245, 158, 11, 0.08);
}

.pricing-referral-pitch strong {
    color: #fbbf24;
    font-size: 0.94rem;
}

.pricing-referral-pitch small {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.pricing-discount-row,
.discount-note {
    padding: 10px 12px;
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: var(--radius);
    background: rgba(34, 211, 238, 0.08);
    color: var(--text-secondary);
}

.invite-landing-banner {
    margin-top: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 14px;
    border: 1px solid rgba(34, 211, 238, 0.34);
    border-radius: 8px;
    background: rgba(34, 211, 238, 0.09);
    box-shadow: 0 12px 36px rgba(34, 211, 238, 0.08);
}

.invite-landing-banner.hidden {
    display: none !important;
}

.invite-landing-banner strong {
    display: block;
    color: var(--text);
    font-size: 1rem;
    margin-bottom: 4px;
}

.invite-landing-banner p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.45;
}

.invite-register-note {
    padding: 10px 12px;
    border: 1px solid rgba(34, 211, 238, 0.28);
    border-radius: 8px;
    background: rgba(34, 211, 238, 0.08);
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.45;
}

.invite-register-note.hidden {
    display: none !important;
}

.faq-list {
    display: grid;
    gap: 10px;
}

.faq-item {
    padding: 0;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    border: 0;
    color: var(--text);
    background: transparent;
    text-align: left;
    cursor: pointer;
    font-weight: 800;
}

.faq-question::after {
    content: "+";
    color: var(--cyan);
    font-size: 1.2rem;
}

.faq-question.open::after {
    content: "−";
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 18px;
    color: var(--text-secondary);
    transition: max-height 220ms ease;
}

.faq-answer::after {
    content: "";
    display: block;
    height: 18px;
}

.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
    gap: 14px;
}

.about-copy,
.share-panel {
    display: grid;
    gap: 14px;
}

.about-tech,
.share-buttons,
.share-platform-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.about-tech span,
.share-btn {
    display: inline-flex;
    min-height: 34px;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0 10px;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
}

.share-btn {
    cursor: pointer;
}

.footer {
    border-top: 1px solid rgba(148, 163, 184, 0.16);
    background: rgba(2, 6, 23, 0.48);
}

.footer-inner {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
    padding: 32px 0;
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 22px;
    color: var(--text-muted);
}

.footer-inner p {
    margin: 4px 0 0;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

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

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 500;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 22px;
    background: rgba(2, 6, 23, 0.72);
    backdrop-filter: blur(12px);
}

.modal-overlay.open {
    display: flex;
}

.modal-overlay.hidden {
    display: none !important;
}

.modal-content {
    position: relative;
    width: min(100%, 680px);
    max-height: calc(100vh - 44px);
    overflow-y: auto;
    padding: 22px;
    background: #111827;
}

.modal-xs {
    width: min(100%, 380px);
}

.modal-sm {
    width: min(100%, 430px);
}

.modal-md {
    width: min(100%, 520px);
}

.modal-lg {
    width: min(100%, 760px);
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 34px;
    height: 34px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    font-size: 1.2rem;
}

.modal-header {
    display: grid;
    gap: 8px;
    margin-bottom: 18px;
    padding-right: 38px;
}

.modal-header.center {
    text-align: center;
    padding-right: 0;
}

.tab-row,
.verify-row,
.share-link-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 14px;
}

.verify-row,
.share-link-row {
    grid-template-columns: minmax(0, 1fr) auto;
    margin: 0;
}

.form-stack {
    display: grid;
    gap: 10px;
}

.form-label {
    color: var(--text-secondary);
    font-size: 0.86rem;
}

.form-input {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0 12px;
    outline: 0;
    color: var(--text);
    background: rgba(2, 6, 23, 0.52);
}

.form-input:focus {
    border-color: rgba(34, 211, 238, 0.55);
}

.payment-body,
.usdt-panel {
    display: grid;
    gap: 14px;
    justify-items: center;
    text-align: center;
}

.qr-box,
.qr-image-wrap {
    width: 220px;
    height: 220px;
    display: grid;
    place-items: center;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 8px;
    background: white;
    padding: 8px;
}

.qr-box.small {
    width: 178px;
    height: 178px;
}

.qr-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.loading-state {
    display: grid;
    justify-items: center;
    gap: 12px;
    padding: 30px 0;
}

.loading-spinner {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.16);
    border-top-color: var(--cyan);
    animation: spin 900ms linear infinite;
}

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

.payment-error {
    color: #fecaca;
}

.mono,
.wallet-address {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    word-break: break-all;
}

.wallet-address {
    width: 100%;
    margin: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--cyan);
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.78rem;
}

.tier-radio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}

.tier-radio-grid label {
    display: grid;
    gap: 4px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    text-align: center;
}

.tier-radio-grid strong {
    color: var(--cyan);
}

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

.referral-progress-section {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
}

.referral-reward-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.referral-metric-card {
    display: grid;
    gap: 4px;
    min-height: 76px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
}

.referral-metric-card span {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.referral-metric-card strong {
    color: var(--text);
    font-size: 1.45rem;
    line-height: 1;
}

.referral-metric-card.accent {
    border-color: rgba(34, 211, 238, 0.38);
    background: rgba(34, 211, 238, 0.08);
}

.referral-metric-card.accent strong {
    color: var(--cyan);
}

.referral-metric-card.highlight {
    border-color: rgba(245, 158, 11, 0.42);
    background: rgba(245, 158, 11, 0.1);
}

.referral-metric-card.highlight strong {
    color: var(--amber);
}

.referral-note {
    margin-bottom: 14px;
    padding: 10px 12px;
    border: 1px solid rgba(245, 158, 11, 0.28);
    border-radius: 8px;
    color: var(--text-secondary);
    background: rgba(245, 158, 11, 0.08);
    font-size: 0.92rem;
    line-height: 1.45;
}

.referral-trust-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.referral-trust-item {
    display: grid;
    gap: 5px;
    min-height: 86px;
    padding: 12px;
    border: 1px solid rgba(34, 211, 238, 0.18);
    border-radius: 8px;
    background: rgba(15, 23, 42, 0.62);
}

.referral-trust-item strong {
    color: var(--text);
    font-size: 0.96rem;
}

.referral-trust-item span {
    color: var(--text-muted);
    font-size: 0.82rem;
    line-height: 1.45;
}

.share-platform-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    margin-top: 14px;
}

.share-platform-btn.active {
    border-color: rgba(34, 211, 238, 0.48);
    background: rgba(34, 211, 238, 0.1);
    color: var(--text);
}

.share-platform-grid .wide {
    grid-column: 1 / -1;
}

.share-template-panel {
    display: grid;
    gap: 8px;
    margin-top: 14px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(2, 6, 23, 0.38);
}

.share-template-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.share-template-preview {
    width: 100%;
    min-height: 118px;
    resize: vertical;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 8px;
    padding: 10px 12px;
    background: rgba(15, 23, 42, 0.7);
    color: var(--text);
    line-height: 1.5;
    font: inherit;
    font-size: 0.9rem;
}

.share-template-preview:focus {
    outline: none;
    border-color: rgba(34, 211, 238, 0.42);
}

.referral-recent-list {
    display: grid;
    gap: 8px;
    margin-top: 14px;
}

.referral-recent-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
    color: var(--text-secondary);
    font-size: 0.88rem;
}

.referral-recent-item strong {
    color: var(--text);
    font-weight: 600;
}

.referral-status-paid {
    color: var(--cyan);
    white-space: nowrap;
}

.referral-status-pending {
    color: var(--text-muted);
    white-space: nowrap;
}

.modal-body {
    display: grid;
    gap: 16px;
}

.modal-header-row {
    align-items: start;
    justify-content: start;
    flex-wrap: wrap;
}

.modal-mode-name {
    margin: 0;
    flex: 1;
    min-width: 220px;
    font-size: 2rem;
}

.modal-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    color: var(--text-muted);
}

.modal-desc,
.modal-best-for,
.modal-long-desc,
.modal-pipeline {
    color: var(--text-secondary);
}

.modal-bars {
    display: grid;
    gap: 10px;
}

.modal-bar-row {
    grid-template-columns: 72px minmax(0, 1fr) 42px;
}

.modal-pipeline {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px;
    background: rgba(255, 255, 255, 0.04);
}

.modal-pipeline-title {
    margin: 0 0 8px;
}

.pipeline-list {
    display: grid;
    gap: 6px;
    margin: 0;
    padding-left: 18px;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    z-index: 700;
    max-width: min(520px, calc(100% - 40px));
    transform: translate(-50%, 16px);
    opacity: 0;
    pointer-events: none;
    padding: 12px 16px;
    border: 1px solid rgba(34, 211, 238, 0.24);
    border-radius: 8px;
    color: var(--text);
    background: rgba(15, 23, 42, 0.95);
    box-shadow: var(--shadow);
    transition: transform 180ms ease, opacity 180ms ease;
}

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

.toast.error {
    border-color: rgba(239, 68, 68, 0.4);
}

@media (max-width: 1160px) {
    .workbench-grid,
    .about-layout {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .mc-gallery-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    :root {
        --nav-height: 66px;
    }

    .nav-inner {
        width: min(100% - 28px, var(--max));
    }

    .nav-links,
    .lang-switcher,
    .nav-tools > #userMenu {
        display: none;
    }

    .nav-tools {
        min-width: 0;
    }

    .hamburger-btn {
        display: block;
    }

    .mobile-nav-overlay.open {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 180;
        background: rgba(2, 6, 23, 0.62);
    }

    .mobile-nav-drawer {
        position: fixed;
        top: var(--nav-height);
        right: 12px;
        z-index: 190;
        width: min(320px, calc(100% - 24px));
        display: none;
        grid-template-columns: 1fr;
        gap: 4px;
        padding: 10px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #111827;
        box-shadow: var(--shadow);
    }

    .mobile-nav-drawer.open {
        display: grid;
    }

    .mobile-actions {
        display: grid;
        gap: 8px;
        padding: 8px 4px 4px;
        border-top: 1px solid var(--line);
    }

    .workbench,
    .feature-grid,
    .pricing-grid,
    .faq-list,
    .about-layout,
    .benchmark-table-wrap,
    .section-heading,
    .footer-inner {
        width: min(100% - 28px, var(--max));
    }

    .hero-title {
        font-size: 2.7rem;
    }

    .workbench {
        padding-top: 42px;
    }

    .section-heading {
        display: block;
    }

    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .mc-gallery-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .upload-zone {
        grid-template-columns: 54px minmax(0, 1fr);
    }

    .upload-btn {
        grid-column: 1 / -1;
    }

    .footer-inner {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2.15rem;
    }

    .hero-desc {
        font-size: 0.96rem;
        display: -webkit-box;
        -webkit-line-clamp: 5;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .tool-panel,
    .inspector-panel,
    .mode-select,
    .feature-card,
    .pricing-card,
    .about-copy,
    .share-panel {
        padding: 16px;
    }

    .panel-heading,
    .section-heading.compact,
    .result-stats,
    .stat-stack,
    .pricing-grid,
    .feature-grid,
    .tier-radio-grid,
    .referral-reward-grid,
    .referral-trust-grid,
    .share-platform-grid {
        grid-template-columns: 1fr;
    }

    .panel-heading,
    .section-heading.compact {
        display: grid;
        align-items: start;
    }

    .result-referral-card {
        display: grid;
    }

    .invite-landing-banner {
        display: grid;
    }

    .invite-landing-banner .btn {
        width: 100%;
    }

    .panel-heading h2,
    .section-heading h2 {
        font-size: 1.45rem;
    }

    .signal-strip {
        grid-template-columns: repeat(8, 1fr);
        height: 64px;
    }

    .mc-family-header {
        align-items: start;
    }

    .mc-family-desc {
        display: none;
    }

    .mc-gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        padding: 10px;
    }

    .mc-gallery-card {
        min-height: 148px;
        padding: 10px;
    }

    .sel-bar-compact-row,
    .modal-bar-row {
        grid-template-columns: 58px minmax(0, 1fr) auto;
    }

    .modal-content {
        padding: 18px;
    }

    .modal-mode-name {
        min-width: 100%;
        font-size: 1.5rem;
    }

    .tab-row,
    .verify-row,
    .share-link-row {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}