/*
 * QuickRun Lab UI system
 * Astryx-inspired shell, tokens, controls, rows, and responsive contracts.
 * Loaded after legacy styles so backend-facing markup and selectors stay stable.
 */

:root {
    color-scheme: dark;
    --dark-bg: #1e1e1e;
    --med-bg: #252526;
    --light-bg: #333333;
    --text: #cccccc;
    --text-dark: #888888;
    --primary: #0e639c;
    --primary-hover: #157bbf;
    --border: #3a3a3a;
    --footer-height: 56px;
    --qrl-bg: #1e1e1e;
    --qrl-surface: #252526;
    --qrl-surface-raised: #333333;
    --qrl-surface-hover: #444444;
    --qrl-border: #3a3a3a;
    --qrl-border-strong: #3a3a3a;
    --qrl-text: #cccccc;
    --qrl-muted: #888888;
    --qrl-accent: #0e639c;
    --qrl-accent-hover: #157bbf;
    --qrl-accent-soft: rgba(14, 99, 156, 0.14);
    --qrl-danger: #ef6262;
    --qrl-warning: #e8b04f;
    --qrl-success: #55bd85;
    --qrl-radius-sm: 6px;
    --qrl-radius: 8px;
    --qrl-radius-lg: 10px;
    --qrl-shadow: 0 16px 44px rgba(0, 0, 0, 0.28);
    --qrl-control: 40px;
    --qrl-header: 64px;
    --qrl-ui: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --qrl-mono: 'Fira Code', 'SFMono-Regular', Consolas, monospace;
}

html {
    min-width: 0;
    background: var(--qrl-bg);
    scrollbar-color: var(--qrl-border-strong) var(--qrl-bg);
    text-size-adjust: 100%;
}

body {
    min-width: 0;
    background: var(--qrl-bg);
    color: var(--qrl-text);
    font-family: var(--qrl-ui);
    font-size: 15px;
    line-height: 1.5;
    overflow-x: hidden;
}

body::selection,
body *::selection {
    background: rgba(14, 99, 156, 0.38);
    color: #fff;
}

a {
    color: #157bbf;
    text-underline-offset: 3px;
}

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

button,
[role='button'],
a {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 2px solid #157bbf;
    outline-offset: 2px;
}

/* Shared top navigation */
header {
    min-height: var(--qrl-header);
    height: var(--qrl-header);
    padding: 0 20px;
    gap: 18px;
    background: rgba(30, 30, 30, 0.98);
    border-bottom: 1px solid var(--qrl-border);
    box-shadow: none;
    position: relative;
    z-index: 100;
}

.brand-cluster,
header > a:first-child {
    min-width: 0;
}

.logo,
.brand-mark {
    width: auto;
    height: 42px;
    object-fit: contain;
}

.header-credit {
    color: var(--qrl-muted);
    font-family: var(--qrl-mono);
    font-size: 0.76rem;
    letter-spacing: 0.02em;
}

.controls,
.top-actions {
    gap: 8px;
}

.controls > button,
.controls > .user-menu-container {
    margin-left: 0;
}

button,
.primary-btn,
.primary-link,
.ghost-btn,
.ghost-link,
.settings-link-btn,
.nightly-secondary,
.nightly-primary,
.auth-submit-btn,
.oauth-btn,
.back-home-btn {
    min-height: var(--qrl-control);
    border-radius: var(--qrl-radius-sm);
    border: 1px solid var(--qrl-border-strong);
    background: var(--qrl-surface-raised);
    color: var(--qrl-text);
    font-weight: 650;
    letter-spacing: 0;
    box-shadow: none;
    transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, transform 140ms ease;
}

button:hover,
.ghost-btn:hover,
.ghost-link:hover,
.settings-link-btn:hover,
.nightly-secondary:hover,
.oauth-btn:hover,
.back-home-btn:hover {
    background: var(--qrl-surface-hover);
    border-color: #666666;
    color: #fff;
    transform: none;
}

.primary-btn,
.auth-submit-btn,
.nightly-primary,
.nightly-checkout-btn,
#run-btn {
    background: var(--qrl-accent);
    border-color: var(--qrl-accent);
    color: #fff;
}

.primary-btn:hover,
.auth-submit-btn:hover,
.nightly-primary:hover,
.nightly-checkout-btn:hover,
#run-btn:hover {
    background: var(--qrl-accent-hover);
    border-color: var(--qrl-accent-hover);
    color: #fff;
}

.primary-link {
    color: var(--qrl-text);
    background: var(--qrl-accent-soft);
    border-color: rgba(14, 99, 156, 0.55);
}

.icon-btn,
.icon-btn-small,
.fullscreen-btn,
.burger-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: var(--qrl-control);
    height: var(--qrl-control);
    min-height: var(--qrl-control);
    padding: 9px;
    border: 1px solid var(--qrl-border-strong);
    border-radius: var(--qrl-radius-sm);
    background: transparent;
    color: var(--qrl-text);
}

.icon-btn:hover,
.icon-btn-small:hover,
.fullscreen-btn:hover,
.burger-btn:hover {
    background: var(--qrl-surface-hover);
    border-color: #666666;
}

#run-btn {
    width: var(--qrl-control);
    min-width: var(--qrl-control);
    padding: 9px;
    gap: 0;
}

#run-btn .lottie-icon {
    width: 24px;
    height: 24px;
}

.lang-switcher {
    display: inline-flex;
    align-items: center;
    min-height: var(--qrl-control);
    margin: 0;
    padding: 2px;
    border: 1px solid var(--qrl-border-strong);
    border-radius: var(--qrl-radius-sm);
    background: transparent;
}

.lang-btn {
    width: auto;
    min-width: 38px;
    min-height: 34px;
    height: 34px;
    padding: 0 10px;
    border: 0;
    border-radius: 4px;
    background: transparent;
    color: var(--qrl-muted);
    font-size: 0.78rem;
    font-weight: 700;
}

.lang-btn:hover {
    border: 0;
    background: var(--qrl-surface-hover);
}

.lang-btn.active {
    background: var(--qrl-accent);
    color: #fff;
}

.tier-hover-card {
    min-height: 34px;
    padding: 0 11px;
    gap: 7px;
    border: 1px solid var(--qrl-border-strong);
    border-radius: 999px;
    background: transparent;
    color: var(--qrl-muted);
}

.tier-hover-card:hover,
.tier-hover-card:focus-visible {
    background: var(--qrl-surface-hover);
    border-color: #666666;
}

.tier-limit-tooltip,
.dropdown-menu,
.action-menu {
    border: 1px solid var(--qrl-border-strong);
    border-radius: var(--qrl-radius);
    background: var(--qrl-surface-raised);
    box-shadow: var(--qrl-shadow);
}

.dropdown-menu {
    padding: 6px;
}

.dropdown-item {
    min-height: 38px;
    padding: 8px 10px;
    border: 0;
    border-radius: var(--qrl-radius-sm);
    color: var(--qrl-text);
    background: transparent;
}

.dropdown-item:hover {
    background: var(--qrl-surface-hover);
    color: #fff;
}

.queue-badge,
.pill,
.connected-badge,
.device-current-badge,
.nightly-status-pill,
.nightly-popular-badge {
    border-radius: 999px;
}

/* Runner workbench */
.container {
    min-width: 0;
    background: var(--qrl-bg);
}

.editor-pane,
.output-pane {
    min-width: 0;
    border-color: var(--qrl-border);
    background: var(--qrl-bg);
}

.editor-pane {
    border-right: 0;
}

.tab-header {
    min-height: 48px;
    height: 48px;
    padding: 0;
    gap: 0;
    border-bottom: 1px solid var(--qrl-border);
    background: var(--qrl-surface);
}

.tab {
    display: inline-flex;
    align-items: center;
    min-height: 48px;
    padding: 0 16px;
    border-right: 1px solid var(--qrl-border);
    border-bottom: 2px solid transparent;
    color: var(--qrl-muted);
    font-size: 0.86rem;
    font-weight: 600;
}

.tab:hover {
    color: var(--qrl-text);
    background: rgba(255, 255, 255, 0.025);
}

.tab.active,
#output-tab.active,
#input-tab.active {
    color: var(--qrl-text);
    border-bottom-color: var(--qrl-accent);
    background: var(--qrl-bg);
}

.editor-controls {
    display: flex;
    align-items: center;
    align-self: stretch;
    flex: 0 0 auto;
    gap: 4px;
    margin-left: auto;
    padding: 0 4px 0 12px;
    border-left: 1px solid var(--qrl-border);
    background: var(--qrl-surface);
}

.editor-controls > .icon-btn-small,
.editor-controls > .fullscreen-btn {
    width: 36px;
    height: 36px;
    min-height: 36px;
    margin: 6px 0;
    padding: 8px;
}

.editor-controls svg,
.output-controls svg {
    width: 18px;
    height: 18px;
}

.output-controls {
    padding-right: 4px;
    gap: 4px;
}

.output-controls .icon-btn {
    width: 36px;
    height: 36px;
    min-height: 36px;
    padding: 8px;
}

#editor,
#terminal,
.terminal-shell,
.xterm,
.xterm-viewport,
.xterm-screen {
    background: var(--qrl-bg) !important;
}

#editor,
#terminal,
.xterm {
    font-family: var(--qrl-mono) !important;
}

#terminal {
    padding: 14px;
}

#resize-handle {
    width: 6px;
    background: var(--qrl-border);
    border: 0;
}

#resize-handle:hover,
#resize-handle.dragging {
    background: var(--qrl-accent);
}

#resize-handle::after {
    width: 2px;
    height: 36px;
    border-radius: 2px;
    background: var(--qrl-muted);
}

/* Dialogs, storage, shortcuts, AI */
#storage-modal,
#rename-modal,
#confirm-modal,
#premium-modal,
#ai-confirm-modal,
#settings-confirm-modal,
#shortcuts-modal,
#ai-modal,
#popup-modal {
    background: rgba(0, 0, 0, 0.76);
    backdrop-filter: blur(6px);
}

.modal-content,
.ai-modal-content,
.shortcuts-content,
.popup-content {
    border: 1px solid var(--qrl-border-strong);
    border-radius: var(--qrl-radius-lg);
    background: var(--qrl-surface);
    box-shadow: var(--qrl-shadow);
}

.modal-header,
.ai-header,
.shortcuts-header,
.modal-footer {
    border-color: var(--qrl-border);
    background: transparent;
}

.file-item,
.connected-row,
.device-row,
.api-key-row,
.shortcut-row {
    border-color: var(--qrl-border);
    border-radius: 0;
    background: transparent;
}

.file-item:hover,
.connected-row:hover,
.device-row:hover {
    background: var(--qrl-surface-hover);
}

/* Form surfaces */
input:not([type='hidden']):not([type='checkbox']):not([type='radio']),
select,
textarea,
.auth-box input,
.settings-actions input[type='text'],
.settings-actions input[type='email'],
.settings-actions input[type='password'],
.ban-form input,
#new-filename-input,
#rename-input {
    min-height: var(--qrl-control);
    border: 1px solid var(--qrl-border-strong);
    border-radius: var(--qrl-radius-sm);
    background: var(--qrl-bg);
    color: var(--qrl-text);
    box-shadow: none;
}

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

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

.auth-container {
    min-height: calc(100dvh - var(--qrl-header) - var(--footer-height));
    padding: 40px 20px 88px;
    align-items: center;
    background: var(--qrl-bg);
}

.auth-box {
    width: min(100%, 460px);
    padding: 32px;
    border: 1px solid var(--qrl-border);
    border-radius: var(--qrl-radius-lg);
    background: var(--qrl-surface);
    box-shadow: none;
}

.auth-box h2 {
    margin-bottom: 8px;
    color: var(--qrl-text);
    font-size: 1.55rem;
    letter-spacing: -0.025em;
}

.auth-box label,
.settings-card label {
    color: var(--qrl-text);
    font-size: 0.82rem;
    font-weight: 650;
}

.oauth-options {
    gap: 8px;
}

.oauth-btn {
    justify-content: center;
    background: transparent;
}

.auth-divider,
.auth-link,
.auth-terms-note {
    color: var(--qrl-muted);
}

.error-msg,
.flash,
.alert-banner,
.api-callout,
.settings-billing-warning {
    border-radius: var(--qrl-radius-sm);
    box-shadow: none;
}

/* Settings: sections and rows instead of stacked floating cards */
.settings-page {
    width: min(960px, calc(100% - 40px));
    max-width: 960px;
    margin: 0 auto;
    padding: 42px 0 96px;
}

.settings-title {
    margin: 0 0 26px;
    color: var(--qrl-text);
    font-size: clamp(1.7rem, 3vw, 2.35rem);
    letter-spacing: -0.035em;
}

.settings-card {
    margin: 0;
    padding: 24px 0;
    border: 0;
    border-top: 1px solid var(--qrl-border);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.settings-card:first-of-type {
    border-top: 0;
    padding-top: 0;
}

.settings-card h3 {
    margin-bottom: 6px;
    color: var(--qrl-text);
    font-size: 1.08rem;
}

.settings-tier-card {
    padding: 22px;
    border: 1px solid var(--qrl-border);
    border-radius: var(--qrl-radius-lg);
    background: var(--qrl-surface);
}

.settings-tier-grid {
    gap: 0;
    border-top: 1px solid var(--qrl-border);
}

.settings-tier-stat {
    min-height: 84px;
    padding: 14px;
    border: 0;
    border-right: 1px solid var(--qrl-border);
    border-bottom: 1px solid var(--qrl-border);
    border-radius: 0;
    background: transparent;
}

.connected-list,
.device-list {
    border: 1px solid var(--qrl-border);
    border-radius: var(--qrl-radius);
    overflow: hidden;
}

.connected-row,
.device-row,
.api-key-row {
    min-height: 52px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--qrl-border);
}

.connected-row:last-child,
.device-row:last-child,
.api-key-row:last-child {
    border-bottom: 0;
}

.settings-card.danger {
    margin-top: 18px;
    padding: 20px;
    border: 1px solid rgba(239, 98, 98, 0.55);
    border-radius: var(--qrl-radius);
    background: rgba(239, 98, 98, 0.035);
}

/* Admin and data tables */
.admin-dashboard {
    min-height: 100vh;
    height: auto;
    background: var(--qrl-bg);
}

.admin-shell {
    width: min(1240px, calc(100% - 40px));
    max-width: 1240px;
    margin: 0 auto;
    padding: 38px 0 80px;
}

.admin-shell-wide {
    width: min(1480px, calc(100% - 40px));
    max-width: 1480px;
}

.dashboard-header {
    padding-bottom: 22px;
    border-bottom: 1px solid var(--qrl-border);
}

.admin-cards {
    gap: 0;
    border: 1px solid var(--qrl-border);
    border-radius: var(--qrl-radius);
    overflow: hidden;
}

.admin-card {
    min-height: 142px;
    padding: 18px;
    border: 0;
    border-right: 1px solid var(--qrl-border);
    border-radius: 0;
    background: var(--qrl-surface);
    box-shadow: none;
}

.admin-card:last-child {
    border-right: 0;
}

.metric {
    color: var(--qrl-text);
    font-size: 1.8rem;
}

.panel-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(360px, 0.75fr);
    gap: 18px;
}

.admin-panel {
    padding: 0;
    border: 1px solid var(--qrl-border);
    border-radius: var(--qrl-radius);
    background: var(--qrl-surface);
    box-shadow: none;
    overflow: hidden;
}

.admin-panel > .panel-top,
.admin-panel > .panel-top + .ban-form,
.admin-panel > .muted,
.admin-panel > .list-header {
    margin: 0;
    padding: 14px 16px;
}

.admin-panel > .panel-top {
    border-bottom: 1px solid var(--qrl-border);
}

.admin-table {
    margin: 0;
}

.admin-table th,
.admin-table td,
.api-table th,
.api-table td,
.nightly-table th,
.nightly-table td {
    min-height: 40px;
    padding: 10px 12px;
    border-color: var(--qrl-border);
    color: var(--qrl-text);
    font-size: 0.82rem;
}

.admin-table th,
.api-table th,
.nightly-table th {
    color: var(--qrl-accent-hover);
    background: rgba(255, 255, 255, 0.02);
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.035em;
}

.admin-table tbody tr:hover,
.api-table tbody tr:hover,
.nightly-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.025);
}

/* Pricing: preserve scheme, reduce nested-card feel */
.nightly-pricing-body {
    min-height: 100vh;
    height: auto;
    background: var(--qrl-bg);
}

.nightly-pricing-page {
    width: min(1180px, calc(100% - 40px));
    margin: 34px auto 96px;
}

.nightly-pricing-hero {
    gap: 0;
    border: 1px solid var(--qrl-border);
    border-radius: var(--qrl-radius-lg);
    overflow: hidden;
}

.nightly-hero-copy,
.nightly-pricing-summary,
.nightly-plan-card,
.nightly-table-wrap,
.nightly-faq-item {
    border-color: var(--qrl-border);
    border-radius: var(--qrl-radius);
    background: var(--qrl-surface);
    box-shadow: none;
}

.nightly-hero-copy,
.nightly-pricing-summary {
    border: 0;
    border-radius: 0;
}

.nightly-hero-copy {
    padding: 38px;
}

.nightly-pricing-summary {
    padding: 22px;
    border-left: 1px solid var(--qrl-border);
}

.nightly-summary-item {
    padding: 12px 0;
    border: 0;
    border-bottom: 1px solid var(--qrl-border);
    border-radius: 0;
    background: transparent;
}

.nightly-summary-item:last-child {
    border-bottom: 0;
}

.nightly-admin-note,
.nightly-plan-label,
.nightly-table th {
    color: var(--qrl-accent-hover);
}

.nightly-hero-copy h1 {
    max-width: 680px;
    margin-top: 8px;
    color: var(--qrl-text);
    font-size: clamp(2.25rem, 5vw, 4.35rem);
    letter-spacing: -0.055em;
}

.nightly-plan-grid {
    gap: 12px;
}

.nightly-plan-card {
    padding: 22px;
}

.nightly-plan-card.featured {
    border-color: var(--qrl-accent);
    background: var(--qrl-surface);
    box-shadow: inset 0 2px 0 var(--qrl-accent);
}

.nightly-feature-list li {
    border-color: var(--qrl-border);
}

.nightly-faq {
    gap: 0;
    border: 1px solid var(--qrl-border);
    border-radius: var(--qrl-radius);
    overflow: hidden;
}

.nightly-faq-item {
    border: 0;
    border-right: 1px solid var(--qrl-border);
    border-radius: 0;
}

.nightly-faq-item:last-child {
    border-right: 0;
}

/* Docs and legal reading surfaces */
.legal-page {
    width: min(920px, calc(100% - 40px));
    max-width: 920px;
    margin: 48px auto;
    padding: 0 0 84px;
}

.legal-header {
    max-width: 720px;
    margin: 0 0 28px;
    text-align: left;
}

.legal-title {
    margin: 0 0 8px;
    color: var(--qrl-text);
    font-size: clamp(2rem, 5vw, 3.2rem);
    line-height: 1.05;
    letter-spacing: -0.045em;
}

.legal-content {
    padding: 30px 0;
    border: 0;
    border-top: 1px solid var(--qrl-border);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.legal-section {
    margin-bottom: 38px;
    padding-bottom: 6px;
}

.legal-section h2,
.legal-section h3 {
    color: var(--qrl-text);
    letter-spacing: -0.025em;
}

.legal-content p,
.legal-content li,
.legal-update {
    color: #aaaaaa;
}

.api-docs-content {
    max-width: none;
}

.api-summary-grid,
.api-meta-grid {
    gap: 0;
    border: 1px solid var(--qrl-border);
    border-radius: var(--qrl-radius);
    overflow: hidden;
}

.api-summary-card,
.api-endpoint-block {
    border-color: var(--qrl-border);
    border-radius: 0;
    background: var(--qrl-surface);
    box-shadow: none;
}

pre,
code,
.api-pill,
.api-method {
    font-family: var(--qrl-mono);
}

pre {
    max-width: 100%;
    overflow: auto;
    border: 1px solid var(--qrl-border);
    border-radius: var(--qrl-radius-sm);
    background: var(--qrl-bg);
}

.api-pill {
    border-color: var(--qrl-border);
    background: var(--qrl-surface);
}

/* Error and banned states */
.error-container,
.banned-container {
    width: min(560px, calc(100% - 40px));
    margin: auto;
    padding: 48px 20px 96px;
}

.error-title,
.banned-title {
    color: var(--qrl-text);
    letter-spacing: -0.05em;
}

.banned-details {
    border: 1px solid var(--qrl-border);
    border-radius: var(--qrl-radius);
    background: var(--qrl-surface);
}

/* Shared footer */
.footer-legal {
    min-height: var(--footer-height);
    height: var(--footer-height);
    padding: 0 20px;
    gap: 26px;
    border-top: 1px solid var(--qrl-border);
    background: var(--qrl-bg);
}

.legal-link {
    color: var(--qrl-muted);
    font-size: 0.8rem;
}

.legal-link:hover,
.legal-link-active {
    color: var(--qrl-accent-hover);
}

/* Responsive contract:
 * > 768px: split runner and full top navigation.
 * <= 768px: stacked runner, compact top nav, scrollable tab strip.
 * <= 480px: single-column route layouts and full-width form actions.
 */
@media (max-width: 900px) {
    .panel-grid {
        grid-template-columns: 1fr;
    }

    .nightly-pricing-summary {
        border-top: 1px solid var(--qrl-border);
        border-left: 0;
    }

    .nightly-faq-item {
        border-right: 0;
        border-bottom: 1px solid var(--qrl-border);
    }
}

@media (max-width: 768px) {
    :root {
        --qrl-header: 98px;
        --qrl-control: 44px;
        --footer-height: auto;
    }

    body {
        min-height: 100dvh;
        height: auto;
    }

    header {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        grid-template-rows: 48px 42px;
        height: var(--qrl-header);
        min-height: var(--qrl-header);
        padding: 4px 10px;
        gap: 0 8px;
    }

    header .brand-cluster,
    header > a:first-child {
        grid-column: 1;
        grid-row: 1;
    }

    header > .header-credit {
        display: none;
    }

    header > .controls {
        grid-column: 1 / -1;
        grid-row: 2;
        width: 100%;
        min-width: 0;
        justify-content: flex-end;
        gap: 6px;
    }

    .logo,
    .brand-mark {
        height: 35px;
    }

    .tier-hover-card {
        min-height: 32px;
        padding: 0 9px;
        font-size: 0.72rem;
    }

    .controls .lang-switcher {
        margin-right: auto;
    }

    .controls .icon-btn,
    .controls > .user-menu-container > .icon-btn {
        width: 44px !important;
        height: 44px !important;
        min-height: 44px;
    }

    #run-btn {
        width: 44px !important;
        min-width: 44px;
        height: 44px !important;
        padding: 9px;
    }

    .container {
        height: auto;
        min-height: calc(100dvh - var(--qrl-header));
        flex: none;
    }

    .editor-pane,
    .output-pane {
        flex: none;
        width: 100%;
        min-height: 420px;
        height: 52dvh;
    }

    .output-pane {
        height: 44dvh;
        min-height: 340px;
    }

    .editor-pane .tab-header {
        overflow-x: auto;
        overflow-y: hidden;
        scrollbar-width: none;
    }

    .editor-pane .tab-header::-webkit-scrollbar {
        display: none;
    }

    .tab {
        flex: 0 0 auto;
        min-height: 48px;
        padding: 0 13px;
    }

    .fullscreen-btn {
        display: inline-flex;
    }

    #resize-handle {
        width: 100%;
        height: 12px;
        min-height: 12px;
        cursor: row-resize;
        background: var(--qrl-border);
    }

    #resize-handle::after {
        width: 44px;
        height: 3px;
        background: var(--qrl-muted);
    }

    .settings-page,
    .admin-shell,
    .admin-shell-wide,
    .legal-page,
    .nightly-pricing-page {
        width: min(100% - 24px, 1000px);
    }

    .settings-page,
    .admin-shell,
    .admin-shell-wide {
        padding-top: 28px;
    }

    .dashboard-header,
    .admin-header,
    .top-actions,
    .settings-tier-head,
    .settings-billing-actions {
        align-items: stretch;
        flex-direction: column;
    }

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

    .admin-card:nth-child(2) {
        border-right: 0;
    }

    .admin-card:nth-child(-n + 2) {
        border-bottom: 1px solid var(--qrl-border);
    }

    .admin-table-scroll,
    .nightly-table-wrap,
    .api-table-wrap,
    .legal-content {
        max-width: 100%;
        overflow-x: auto;
    }

    .nightly-hero-copy {
        padding: 26px;
    }

    .nightly-plan-grid {
        grid-template-columns: 1fr;
    }

    .nightly-faq {
        grid-template-columns: 1fr;
    }

    .footer-legal {
        position: static;
        flex-wrap: wrap;
        min-height: 72px;
        height: auto;
        padding: 18px 14px;
        gap: 10px 20px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    header {
        padding-inline: 8px;
    }

    .brand-cluster {
        gap: 6px;
    }

    .logo,
    .brand-mark {
        height: 32px;
    }

    .tier-name {
        max-width: 54px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .tier-limit-tooltip {
        position: fixed;
        top: 48px;
        right: 12px;
        left: 12px;
        width: auto;
        max-width: none;
    }

    .controls {
        gap: 4px;
    }

    .controls .lang-switcher {
        flex: 0 0 auto;
    }

    .lang-btn {
        min-width: 40px !important;
        width: 40px !important;
        min-height: 40px;
        height: 40px;
        padding: 0 !important;
        font-size: 0.72rem;
    }

    .controls .icon-btn,
    .controls > .user-menu-container > .icon-btn {
        width: 42px !important;
        height: 42px !important;
    }

    #run-btn {
        width: 42px !important;
        min-width: 42px;
        min-height: 42px;
        height: 42px !important;
        padding: 9px;
    }

    #ai-btn {
        width: 42px !important;
        min-width: 42px;
        padding-inline: 6px;
    }

    #ai-btn .ai-text {
        display: none;
    }

    .tab {
        padding-inline: 11px;
        font-size: 0.78rem;
    }

    .editor-pane {
        min-height: 390px;
        height: 52dvh;
    }

    .output-pane {
        min-height: 320px;
        height: 42dvh;
    }

    #terminal {
        padding: 10px;
    }

    .auth-container {
        padding: 22px 12px 40px;
        align-items: flex-start;
    }

    .auth-box {
        padding: 22px 18px;
        border-radius: var(--qrl-radius);
    }

    .settings-page,
    .admin-shell,
    .admin-shell-wide,
    .legal-page,
    .nightly-pricing-page {
        width: calc(100% - 20px);
    }

    .settings-card,
    .settings-tier-card {
        padding: 18px 0;
    }

    .settings-tier-card {
        padding: 16px;
    }

    .settings-tier-grid,
    .admin-cards {
        grid-template-columns: 1fr;
    }

    .settings-tier-stat,
    .admin-card {
        border-right: 0;
        border-bottom: 1px solid var(--qrl-border);
    }

    .admin-card:last-child {
        border-bottom: 0;
    }

    .settings-actions,
    .settings-button-row,
    .ban-form,
    .nightly-hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .settings-actions button,
    .settings-actions .primary-btn,
    .settings-link-btn,
    .ban-form button,
    .nightly-primary,
    .nightly-secondary {
        width: 100%;
        justify-content: center;
    }

    .nightly-pricing-page {
        margin-top: 18px;
    }

    .nightly-pricing-hero {
        border-radius: var(--qrl-radius);
    }

    .nightly-hero-copy,
    .nightly-pricing-summary,
    .nightly-plan-card {
        padding: 18px;
    }

    .nightly-hero-copy h1 {
        font-size: 2.25rem;
    }

    .legal-page {
        margin-top: 30px;
    }

    .legal-content {
        padding-top: 24px;
    }

    .legal-title {
        font-size: 2.15rem;
    }

    .legal-section h3 {
        font-size: 1.18rem;
    }

    .footer-legal {
        justify-content: flex-start;
    }
}

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