/* Govern design baseline: shared glass materials, soft depth and readable data.
   Appearance values are applied by preferences.js; aliases support existing components. */
:root {
    color-scheme: light;
    --g-accent: #0b7476;
    --g-on-accent: #fff;
    --g-accent-text: #09676a;
    --g-soft: #0b747610;
    --g-glow: #0b747629;
    --g-background-tint: #85a7a0;
    --g-bg: #f1f3f1;
    --g-panel: #fcfdfa;
    --g-ink: #172d34;
    --g-muted: #617278;
    --g-glass: #ffffff50;
    --g-frost: #ffffff80;
    --g-dense-frost: #ffffffcc;
    --g-shine: #ffffffb0;
    --g-tint: #e8eeea;
    --g-row: #ffffff35;
    --g-input: #ffffff70;
    --g-toggle-track: #617278;
    --g-toggle-thumb: #fff;
    --g-shadow: #173d3b21;
    --g-elevation: 0 18px 42px #183b451b, 0 5px 14px #183b450d, inset 2px 3px 10px #ffffffa6;
    --g-control-depth: 0 7px 18px #183b451c, inset 1px 2px 7px #ffffffbd;
    --g-input-depth: inset 0 3px 12px #21455214, 0 3px 10px #ffffff55;
    --g-ambient-violet: #d9cef6bb;
    --g-ambient-gold: #e2e8bba3;
    --backdrop: #172c3444;
    --ink: var(--g-ink);
    --muted: var(--g-muted);
    --subtle: var(--g-muted);
    --accent: var(--g-accent-text);
    --accent-hover: var(--g-accent);
    --accent-soft: var(--g-soft);
    --accent-line: var(--g-glow);
    --line: transparent;
    --line-soft: transparent;
    --paper: var(--g-dense-frost);
    --canvas: var(--g-bg);
    --surface: var(--g-frost);
    --sidebar: var(--g-glass);
    --success: #216c43;
    --success-soft: #ecf7efd9;
    --warning: #75520c;
    --warning-soft: #fff6dfed;
    --danger: #a12430;
    --danger-soft: #fff0f0ed;
    --radius: 20px;
    --radius-small: 12px;
    --shadow: var(--g-elevation);
    --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-synthesis: none;
    -webkit-font-smoothing: antialiased;
    color: var(--ink);
    background: var(--canvas);
}
:root[data-theme="dark"] {
    color-scheme: dark;
    --g-bg: #151b20;
    --g-panel: #202a30;
    --g-ink: #edf3f3;
    --g-muted: #a9bac0;
    --g-accent-text: #b9e4e0;
    --g-glass: #263b4694;
    --g-frost: #2a3b47a6;
    --g-dense-frost: #24323ddc;
    --g-shine: #ffffff16;
    --g-tint: #2b393f;
    --g-row: #ffffff04;
    --g-input: #0e192860;
    --g-toggle-track: #859ba7;
    --g-toggle-thumb: #202a30;
    --g-shadow: #00000044;
    --g-elevation: 0 18px 42px #00000044, 0 5px 14px #00000022, inset 2px 3px 10px #ffffff0c;
    --g-control-depth: 0 7px 18px #00000033, inset 1px 2px 7px #ffffff16;
    --g-input-depth: inset 0 3px 12px #00000033, 0 3px 10px #ffffff04;
    --g-ambient-violet: #4f356d6b;
    --g-ambient-gold: #3b4e2866;
    --backdrop: #00000088;
    --success: #a2d7b6;
    --success-soft: #253f31ed;
    --warning: #f1ce8f;
    --warning-soft: #493b23ed;
    --danger: #ffb8be;
    --danger-soft: #542d35ed;
}
@supports (background: color-mix(in srgb, #000 10%, #fff)) {
    :root { --canvas: color-mix(in srgb, var(--g-background-tint) 12%, var(--g-bg)); }
}
* { box-sizing: border-box; }
body { margin: 0; font-size: 14px; line-height: 1.6; min-width: 0; min-height: 100dvh; background: radial-gradient(ellipse at 2% 10%, var(--g-glow), transparent 57%), radial-gradient(ellipse at 92% 4%, var(--g-ambient-violet), transparent 48%), radial-gradient(ellipse at 67% 76%, var(--g-ambient-gold), transparent 50%), radial-gradient(ellipse at 12% 65%, var(--g-glow), transparent 40%), var(--canvas); background-attachment: fixed; }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea, summary { -webkit-tap-highlight-color: transparent; }
button, summary, select { cursor: pointer; }
a { color: var(--g-accent-text); }
button { color: inherit; }
button:disabled { opacity: .46; cursor: not-allowed; }
::selection { background: var(--g-glow); color: var(--ink); }
:focus-visible { outline: 3px solid var(--g-accent-text); outline-offset: 3px; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: clamp(28px, 2.5vw, 34px); letter-spacing: -1.15px; line-height: 1.16; font-weight: 650; }
h2 { font-size: 19px; font-weight: 650; letter-spacing: -.45px; line-height: 1.35; }
h3 { font-size: 15px; font-weight: 600; line-height: 1.4; }
code, pre, .monospace { font-family: var(--mono); }
code { font-size: .9em; }
.icon { width: 19px; height: 19px; flex: 0 0 auto; vertical-align: middle; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.spacer { flex: 1; }
.danger-text { color: var(--danger); }
.skip-link { position: fixed; z-index: 999; top: -80px; left: 16px; padding: 12px 18px; background: var(--g-panel); border: 0; border-radius: var(--radius-small); box-shadow: var(--g-control-depth); }
.skip-link:focus { top: 12px; }

/* App shell */
.app-shell { display: flex; min-height: 100dvh; isolation: isolate; }
.sidebar { width: 204px; flex: 0 0 204px; color: var(--ink); background: linear-gradient(140deg, var(--g-shine), transparent 62%), var(--g-glass); border: 0; border-radius: 20px; margin: 12px 0 12px 12px; padding: 25px 14px 20px; position: sticky; height: calc(100dvh - 24px); top: 12px; display: flex; flex-direction: column; overflow-y: auto; scrollbar-width: thin; box-shadow: var(--g-elevation); backdrop-filter: blur(32px) saturate(160%); -webkit-backdrop-filter: blur(32px) saturate(160%); }
.brand { display: flex; gap: 11px; align-items: center; text-decoration: none; color: var(--ink); margin: 0 7px 28px; }
.brand strong { display: block; font-size: 27px; line-height: 1.15; letter-spacing: -1.2px; font-weight: 650; }
.brand-period { display: none; }
.brand small { font-size: 12px; color: var(--muted); font-weight: 400; display: block; margin-top: 5px; }
.brand-mark { width: 31px; height: 31px; position: relative; display: block; flex: 0 0 31px; padding: 0; background: transparent; border: 7px solid var(--g-accent); border-right-color: transparent; border-radius: 11px; transform: rotate(-7deg); }
.brand-mark span { display: none; }
.brand-mark span:last-child { display: none; }
.workspace-label { margin: 0 0 24px; padding: 11px; border: 0; border-radius: 13px; display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 600; background: var(--g-frost); box-shadow: var(--g-control-depth); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.workspace-label small { display: block; color: var(--muted); font-weight: 400; font-size: 12px; margin-top: 3px; }
.workspace-avatar { background: var(--g-soft); color: var(--g-accent-text); width: 29px; height: 29px; flex: 0 0 auto; border-radius: 9px; display: grid; place-items: center; font-size: 14px; }
.nav-label { margin: 0 12px 9px; color: var(--muted); letter-spacing: .8px; font-size: 12px; font-weight: 500; }
#navigation { display: grid; gap: 4px; }
.nav-link { display: flex; align-items: center; min-height: 44px; padding: 11px 12px; gap: 10px; color: var(--muted); border-radius: var(--radius-small); text-decoration: none; font-size: 13px; transition: background .16s, color .16s, box-shadow .16s; }
.nav-link .icon { width: 18px; height: 18px; color: var(--muted); }
.nav-link:hover { background: var(--g-tint); color: var(--ink); }
.nav-link.active { background: var(--g-frost); color: var(--g-accent-text); font-weight: 600; box-shadow: var(--g-control-depth); }
.nav-link.active .icon { color: var(--accent); }
.nav-link .nav-arrow { margin-left: auto; width: 12px; height: 12px; opacity: 0; }
.nav-link.active .nav-arrow { opacity: .65; }
.sidebar-footer { margin-top: auto; padding: 32px 7px 0; }
.connection-card { display: flex; gap: 8px; align-items: center; font-size: 12px; color: var(--muted); margin-bottom: 19px; overflow: hidden; }
.connection-card span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status-dot { background: var(--success); width: 6px; height: 6px; border-radius: 50%; flex: 0 0 auto; display: inline-block; }
.status-dot.waiting { background: var(--warning); }
.status-dot.offline { background: var(--danger); }
.sidebar-export { display: flex; align-items: center; gap: 9px; color: var(--ink); text-decoration: none; font-size: 12px; min-height: 32px; }
.sidebar-export:hover { color: var(--accent); }
.sidebar-export .icon { width: 16px; height: 16px; }
.sidebar-note { margin-top: 7px; line-height: 1.6; font-size: 12px; color: var(--muted); }
.sidebar-version { display: block; font-size: 12px; color: var(--muted); margin-top: 22px; }
.workspace { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { min-height: 76px; border: 0; padding: 16px 28px; display: flex; justify-content: space-between; align-items: center; gap: 16px; background: transparent; position: relative; z-index: 10; }
.topbar-location { display: flex; align-items: center; gap: 13px; font-size: 12px; min-width: 0; }
.topbar-location strong { font-weight: 600; }
#breadcrumb-current { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.breadcrumb-root { color: var(--muted); }
.breadcrumb-separator { color: var(--muted); }
.topbar-actions { display: flex; align-items: center; gap: 9px; flex-shrink: 0; }
.local-pill { display: flex; gap: 7px; align-items: center; color: var(--muted); font-size: 12px; background: var(--g-glass); border: 0; border-radius: 99px; padding: 7px 10px; box-shadow: var(--g-control-depth); }
main { flex: 1; padding: 12px 28px 28px; min-width: 0; }
#page { max-width: 1500px; margin: 0 auto; }
#global-notice:empty { display: none; }
#global-notice .notice { margin-bottom: 22px; }
.page-heading { display: flex; justify-content: space-between; gap: 24px; align-items: center; margin-bottom: 24px; }
.page-heading > div { min-width: 0; }
.eyebrow { font-size: 12px; font-weight: 500; letter-spacing: 1.15px; color: var(--muted); margin-bottom: 9px; text-transform: uppercase; }
.page-description { color: var(--muted); font-size: 14px; max-width: 700px; margin-top: 10px; }
.heading-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.workspace-footer { display: flex; gap: 16px; justify-content: space-between; padding: 20px 28px; color: var(--muted); font-size: 12px; }
.workspace-footer span:last-child { font-family: var(--mono); overflow-wrap: anywhere; text-align: right; }

/* Reusable controls and surfaces */
.button { border: 0; border-radius: var(--radius-small); display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 13px; font-weight: 500; min-height: 38px; padding: 9px 13px; line-height: 1.4; text-decoration: none; transition: background .16s, box-shadow .16s; white-space: normal; color: var(--ink); }
.button .icon { width: 16px; height: 16px; }
.button-primary { background: var(--g-accent); color: var(--g-on-accent); box-shadow: 0 10px 24px var(--g-glow), 0 3px 9px var(--g-shadow), inset 1px 2px 8px #ffffff25; }
.button-primary:hover:not(:disabled) { box-shadow: 0 12px 28px var(--g-glow), 0 4px 12px var(--g-shadow); }
.button-secondary { background: linear-gradient(155deg, var(--g-shine), transparent), var(--g-glass); color: var(--ink); box-shadow: var(--g-control-depth); backdrop-filter: blur(18px) saturate(150%); -webkit-backdrop-filter: blur(18px) saturate(150%); }
.button-secondary:hover:not(:disabled) { background: var(--g-frost); }
.button-ghost { color: var(--g-accent-text); background: transparent; box-shadow: none; }
.button-ghost:hover:not(:disabled) { background: var(--accent-soft); }
.button-danger { background: var(--danger); color: var(--g-panel); box-shadow: 0 7px 18px var(--g-shadow); }
.button-danger:hover:not(:disabled) { box-shadow: 0 12px 24px var(--g-shadow); }
.button-small { min-height: 34px; padding: 7px 10px; font-size: 12px; border-radius: 10px; }
.icon-button { width: 36px; height: 36px; flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: 10px; background: transparent; color: var(--muted); text-decoration: none; }
.icon-button:hover { background: var(--g-tint); color: var(--ink); }
.icon-button .icon { width: 18px; height: 18px; }
.mobile-menu { display: none; }
.card, .catalog, .stat-card, .snapshot-card { background: linear-gradient(145deg, var(--g-shine), transparent 72%), var(--g-frost); border: 0; border-radius: var(--radius); box-shadow: var(--g-elevation); backdrop-filter: blur(26px) saturate(155%); -webkit-backdrop-filter: blur(26px) saturate(155%); }
.card { overflow: hidden; }
.card-header { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 22px; border: 0; }
.card-header h2 { font-size: 16px; }
.card-header p { font-size: 12px; color: var(--muted); margin-top: 4px; }
.card-header > .icon { color: var(--muted); }
.card-body { padding: 24px; }
.section-title { display: flex; justify-content: space-between; align-items: center; margin: 0 0 16px; gap: 16px; }
.section-title h2 { font-size: 17px; }
.badge { display: inline-flex; align-items: center; gap: 5px; border-radius: 7px; padding: 4px 7px; background: var(--g-tint); color: var(--muted); font-size: 12px; font-weight: 500; line-height: 1.4; white-space: nowrap; }
.badge-green { background: var(--success-soft); color: var(--success); }
.badge-blue { background: var(--accent-soft); color: var(--accent); }
.badge-amber { background: var(--warning-soft); color: var(--warning); }
.input { display: block; border: 0; background: var(--g-input); border-radius: var(--radius-small); padding: 10px 12px; width: 100%; min-width: 0; color: var(--ink); font-size: 14px; min-height: 42px; box-shadow: var(--g-input-depth); }
.input::placeholder { color: var(--subtle); opacity: 1; }
.input:hover { background: var(--g-dense-frost); }
.input:focus { outline: 3px solid var(--g-accent-text); outline-offset: 3px; }
textarea.input { resize: vertical; line-height: 1.6; }
.select { padding-right: 28px; }
.field-label { display: grid; gap: 8px; font-size: 13px; color: var(--ink); font-weight: 500; min-width: 0; }
.field-hint { font-size: 12px; color: var(--muted); margin-top: 7px; }
.search-field { position: relative; min-width: 0; }
.search-field > .icon { position: absolute; left: 12px; top: 13px; width: 16px; height: 16px; color: var(--muted); pointer-events: none; }
.search-field > .input { padding-left: 36px; }

/* Overview */
.hero-card { position: relative; background: linear-gradient(130deg, var(--g-shine), transparent 70%), var(--g-frost); border: 0; border-radius: 24px; padding: 32px; display: flex; justify-content: space-between; align-items: center; gap: 28px; margin-bottom: 22px; overflow: hidden; box-shadow: var(--g-elevation); backdrop-filter: blur(30px) saturate(155%); -webkit-backdrop-filter: blur(30px) saturate(155%); min-height: 245px; }
.hero-card h2 { font-size: 36px; line-height: 1.1; letter-spacing: -1.4px; max-width: 480px; }
.hero-card p { font-size: 14px; color: var(--muted); max-width: 470px; margin-top: 14px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 23px; }
.hero-visual { width: 218px; flex: 0 0 218px; height: 218px; position: relative; pointer-events: none; }
.stats-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-bottom: 24px; }
.stat-card { padding: 12px 6px; position: relative; border-radius: 0; background: transparent; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
.stat-icon { display: none; }
.stat-card p { color: var(--muted); font-size: 12px; }
.stat-value { font-size: 29px; font-weight: 500; letter-spacing: -.8px; display: block; margin-top: 5px; line-height: 1.2; font-variant-numeric: tabular-nums; }
.stat-note { color: var(--muted); font-size: 12px; margin-top: 6px; display: block; }
.home-columns { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 22px; }
.home-table-list { padding: 5px 22px; }
.home-table-item { display: flex; align-items: center; width: 100%; gap: 12px; border: 0; padding: 13px 0; text-align: left; background: transparent; border-radius: 11px; }
.home-table-item:last-child { border: 0; }
.home-table-item:hover .home-table-name { color: var(--accent); }
.home-table-item > span { min-width: 0; }
.home-table-item > .icon { color: var(--accent); background: var(--accent-soft); border-radius: 11px; width: 36px; height: 36px; padding: 9px; }
.home-table-name { display: block; font-family: var(--mono); font-size: 12px; font-weight: 500; overflow-wrap: anywhere; }
.home-table-detail { display: block; color: var(--muted); font-size: 12px; margin-top: 3px; }
.home-table-item .row-chevron { color: var(--muted); width: 14px; height: 14px; background: none; padding: 0; margin-left: auto; }
.learning-list { display: grid; gap: 18px; padding: 20px 24px; }
.learning-item { display: flex; gap: 13px; }
.step-number { flex: 0 0 27px; height: 27px; border-radius: 9px; background: var(--g-tint); color: var(--muted); display: grid; place-items: center; font-size: 12px; font-weight: 600; }
.learning-item h3 { font-size: 13px; margin: 2px 0 5px; }
.learning-item p { color: var(--muted); font-size: 12px; }
.learning-bottom { border: 0; padding: 16px 24px; background: transparent; font-size: 12px; color: var(--muted); }

/* Data and schema */
.explorer-layout { display: grid; grid-template-columns: 236px minmax(0, 1fr); gap: 22px; align-items: start; }
.catalog { overflow: hidden; min-width: 0; }
.catalog-head { padding: 18px 15px 13px; }
.catalog-title { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.catalog-title h2 { font-size: 13px; }
.catalog-list { display: grid; gap: 2px; padding: 0 8px 11px; max-height: 62vh; overflow-y: auto; scrollbar-width: thin; }
.catalog-item { border: 0; background: transparent; padding: 11px 9px; border-radius: 10px; text-align: left; display: flex; align-items: center; gap: 8px; min-width: 0; width: 100%; color: var(--muted); }
.catalog-item:hover { background: var(--g-tint); }
.catalog-item.active { background: var(--g-soft); color: var(--g-accent-text); box-shadow: 0 5px 14px var(--g-shadow); }
.catalog-item > .icon { width: 15px; height: 15px; }
.catalog-item-name { font-family: var(--mono); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.catalog-item-count { margin-left: auto; font-size: 12px; color: var(--muted); }
.catalog-empty { padding: 15px; font-size: 12px; color: var(--muted); }
.table-workspace { min-width: 0; }
.table-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 22px; border: 0; }
.table-heading > div { min-width: 0; }
.table-heading h2 { font-family: var(--mono); font-size: 15px; overflow-wrap: anywhere; letter-spacing: -.3px; }
.table-heading p { max-width: 600px; font-size: 12px; color: var(--muted); margin-top: 9px; }
.table-heading-title { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.table-heading-actions { display: flex; gap: 6px; flex-shrink: 0; }
.table-toolbar { display: flex; gap: 12px; justify-content: space-between; align-items: center; padding: 15px 20px; background: var(--surface); border: 0; }
.table-toolbar .search-field { flex: 1; max-width: 340px; }
.table-toolbar-right { display: flex; align-items: center; gap: 8px; }
.table-toolbar .select { width: auto; min-width: 62px; }
.table-scroll { overflow: auto; max-height: 62vh; width: 100%; scrollbar-width: thin; scrollbar-color: var(--g-tint) transparent; }
.data-table { width: 100%; border-collapse: separate; border-spacing: 0; text-align: left; font-size: 12px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.data-table th { position: sticky; top: 0; z-index: 1; background: var(--g-panel); border: 0; padding: 13px 16px; font-weight: 500; color: var(--muted); font-size: 12px; }
.data-table td { border: 0; padding: 13px 16px; vertical-align: top; color: var(--ink); }
.data-table tr:last-child td { border: 0; }
.data-table tbody tr:hover td { background: var(--g-soft); }
.cell-value { max-width: 290px; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cell-wrap { white-space: normal; min-width: 180px; max-width: 370px; }
.cell-wrap .cell-value { white-space: normal; overflow-wrap: anywhere; }
.null-value { color: var(--subtle); font-size: 12px; font-style: italic; }
.data-table .column-name { font-family: var(--mono); display: flex; align-items: center; gap: 6px; }
.column-name .icon { width: 13px; height: 13px; color: var(--warning); }
.table-pagination { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 16px 20px; border: 0; font-size: 12px; color: var(--muted); background: transparent; }
.pagination-buttons { display: flex; align-items: center; gap: 8px; }
.pagination-buttons .button { padding: 7px 10px; min-height: 32px; font-size: 12px; }
.table-caption { font-size: 12px; color: var(--muted); padding: 13px 2px; }
.sql-disclosure { margin-top: 16px; background: var(--g-frost); border: 0; border-radius: 15px; padding: 17px 19px; box-shadow: var(--g-control-depth); }
.sql-disclosure summary { font-size: 12px; font-weight: 600; color: var(--muted); display: flex; gap: 8px; align-items: center; list-style: none; }
.sql-disclosure summary::-webkit-details-marker { display: none; }
.sql-disclosure summary::after { content: '+'; margin-left: auto; font-size: 18px; font-weight: 400; }
.sql-disclosure[open] summary::after { content: '−'; }
.sql-disclosure summary .icon { width: 16px; height: 16px; color: var(--accent); }
.sql-disclosure p { color: var(--muted); font-size: 12px; margin-top: 12px; max-width: 800px; }
.code-block { font-size: 13px; line-height: 1.8; white-space: pre-wrap; overflow-wrap: anywhere; background: var(--g-dense-frost); border: 0; border-radius: var(--radius-small); padding: 16px; overflow: auto; max-height: 400px; color: var(--ink); margin: 12px 0 0; box-shadow: var(--g-input-depth); }
.structure-section { margin-top: 24px; }
.structure-section h3 { font-size: 14px; margin-bottom: 12px; }
.relation-card { background: var(--g-frost); border: 0; border-radius: 15px; padding: 18px; display: flex; align-items: center; gap: 13px; margin-bottom: 12px; box-shadow: var(--g-control-depth); }
.relation-card > .icon { color: var(--accent); }
.relation-content { flex: 1; min-width: 0; }
.relation-content p { font-family: var(--mono); font-size: 12px; overflow-wrap: anywhere; }
.relation-content small { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
.index-list { display: flex; flex-wrap: wrap; gap: 9px; }
.index-item { background: var(--g-frost); border: 0; border-radius: var(--radius-small); padding: 12px 15px; font-size: 13px; overflow-wrap: anywhere; min-width: 0; box-shadow: var(--g-control-depth); }
.index-item small { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }

/* Research and visual query builder */
.research-layout { display: grid; grid-template-columns: minmax(0, 1fr) 286px; gap: 22px; align-items: start; }
.research-layout > * { min-width: 0; }
.editor-topbar { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 17px 20px; border: 0; }
.editor-topbar h2 { font-size: 14px; }
.editor-wrap { background: var(--g-input); padding: 24px; border: 0; box-shadow: var(--g-input-depth); }
.sql-editor { display: block; border: 0; background: transparent; color: var(--ink); width: 100%; min-height: 205px; resize: vertical; font-family: var(--mono); font-size: 13px; line-height: 1.85; padding: 0; tab-size: 4; border-radius: 4px; caret-color: var(--accent); }
.sql-editor::placeholder { color: var(--muted); }
.sql-editor:focus { outline: 3px solid var(--g-accent-text); outline-offset: 9px; }
.editor-actions { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 15px 19px; }
.editor-action-buttons { display: flex; gap: 8px; }
.keyboard-hint { color: var(--muted); font-size: 12px; }
.query-hint { color: var(--muted); font-size: 12px; padding: 0 19px 15px; }
.sql-preview { margin: 0; padding: 0 19px 12px; color: var(--muted); font: 12px/1.5 ui-monospace, monospace; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 7em; overflow: auto; }
.confirm-list { margin: 8px 0 0; padding-left: 18px; text-align: left; font-size: 13px; }
.confirm-list code { overflow-wrap: anywhere; }
.query-explanation { padding: 20px; border: 0; background: transparent; font-size: 13px; color: var(--ink); }
.query-explanation:empty { display: none; }
.query-explanation h3 { display: flex; gap: 8px; align-items: center; font-size: 13px; }
.query-explanation h3 .icon { color: var(--accent); }
.query-explanation ul { margin: 10px 0; padding-left: 20px; }
.query-explanation li + li { margin-top: 6px; }
.query-explanation p { color: var(--muted); font-size: 12px; }
.query-builder { margin-bottom: 20px; }
.query-builder > summary { display: flex; align-items: center; gap: 12px; padding: 20px 22px; list-style: none; background: transparent; }
.query-builder > summary::-webkit-details-marker { display: none; }
.query-builder > summary:focus-visible { outline-offset: -4px; border-radius: 17px; }
.query-builder > summary > .icon { color: var(--accent); }
.query-builder > summary strong { display: block; font-size: 15px; font-weight: 600; }
.query-builder > summary small { display: block; color: var(--muted); font-size: 12px; margin-top: 3px; }
.query-builder .builder-chevron { margin-left: auto; width: 16px; transition: transform .16s; }
.query-builder[open] .builder-chevron { transform: rotate(180deg); }
.builder-body { padding: 22px; border: 0; display: grid; gap: 18px; }
.builder-body .loading-state { min-height: 110px; padding: 25px; }
.builder-intro { font-size: 12px; color: var(--muted); line-height: 1.7; }
.builder-form { display: grid; gap: 23px; min-width: 0; }
.builder-section { min-width: 0; padding: 0; margin: 0; border: 0; display: grid; gap: 12px; }
.builder-section > legend { display: flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 600; padding: 0 0 12px; color: var(--ink); }
.builder-section .step-number { width: 25px; height: 25px; flex-basis: 25px; background: var(--accent-soft); color: var(--accent); }
.builder-two-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.builder-two-columns > :only-child { grid-column: 1 / -1; }
.builder-column-groups { display: grid; gap: 11px; min-width: 0; }
.builder-column-group { border: 0; border-radius: 14px; overflow: hidden; background: var(--g-dense-frost); box-shadow: var(--g-input-depth); }
.builder-group-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 13px; background: transparent; border: 0; }
.builder-group-heading h3 { font-family: var(--mono); font-size: 12px; overflow-wrap: anywhere; min-width: 0; }
.builder-group-heading > div { display: flex; flex: 0 0 auto; gap: 2px; }
.builder-group-heading .button { min-height: 30px; font-size: 12px; padding: 6px 8px; }
.builder-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 12px; max-height: 225px; overflow: auto; padding: 9px 12px; scrollbar-width: thin; }
.builder-column { min-width: 0; display: flex; align-items: center; gap: 9px; padding: 9px 0; font-size: 12px; cursor: pointer; }
.builder-column input { accent-color: var(--accent); flex-shrink: 0; width: 15px; height: 15px; margin: 0; }
.builder-column span { overflow-wrap: anywhere; }
.builder-column small { margin-left: auto; color: var(--muted); font-size: 12px; max-width: 80px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex-shrink: 0; }
.builder-missing-columns { display: grid; gap: 8px; }
.builder-missing-columns:empty { display: none; }
.builder-missing-choice { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; padding: 11px 13px; border: 0; border-radius: var(--radius-small); background: var(--warning-soft); }
.builder-missing-choice code { overflow-wrap: anywhere; min-width: 0; font-size: 12px; }
.builder-filter-list, .builder-order-list { display: grid; gap: 14px; }
.builder-filter-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .85fr) minmax(0, .8fr) 36px; align-items: center; gap: 8px; }
.builder-order-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .65fr) 36px; align-items: center; gap: 8px; }
.builder-row-label { grid-column: 1 / -1; color: var(--muted); font-size: 12px; }
.builder-filter-row .icon-button > span, .builder-order-row .icon-button > span { display: none; }
.builder-filter-row .icon-button, .builder-order-row .icon-button { min-height: 36px; padding: 8px; }
.builder-no-value { font-size: 12px; color: var(--muted); padding: 8px; }
.builder-empty { font-size: 12px; color: var(--muted); padding: 3px 0; }
.builder-section > .button { justify-self: start; }
.builder-limit { width: min(210px, 100%); margin-top: 4px; }
.builder-actions { display: flex; align-items: center; gap: 13px; padding-top: 18px; border: 0; }
.builder-actions > span { font-size: 12px; }
.builder-status:empty { display: none; }
.query-result { margin-top: 22px; }
.query-result .card-header { padding: 17px 20px; }
.query-result .card-header h2 { font-size: 14px; }
.query-metrics { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); }
.query-result-set > h3 { padding: 10px 20px; font-size: 13px; color: var(--muted); }
.query-result-set + .query-result-set { margin-top: 12px; }
.query-result-set > .notice { margin: 12px 20px; }
.query-warnings { margin: 14px 20px 18px; font-size: 12px; color: var(--warning); }
.query-warnings ul { display: grid; gap: 6px; padding-left: 18px; overflow-wrap: anywhere; }
.query-capabilities { padding-bottom: 12px; }
.query-placeholder { min-height: 180px; display: grid; place-items: center; }
.saved-panel .card-header { padding: 20px; }
.saved-panel .card-header h2 { font-size: 14px; }
.save-query-form { padding: 20px; display: grid; gap: 15px; border: 0; }
.save-query-form .button { width: 100%; }
.saved-list { padding: 4px 12px; max-height: 350px; overflow: auto; }
.saved-item { display: flex; align-items: center; gap: 4px; border: 0; padding: 5px 0; }
.saved-item:last-child { border: 0; }
.saved-item-open { flex: 1; min-width: 0; border: 0; text-align: left; background: transparent; padding: 11px 8px; border-radius: 9px; }
.saved-item-open:hover { background: var(--accent-soft); }
.saved-item-open strong { display: block; font-weight: 600; font-size: 12px; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.saved-item-open small { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }
.saved-item .icon-button { width: 32px; height: 32px; }
.saved-item .icon { width: 15px; height: 15px; }
.learning-help { margin-top: 18px; background: var(--g-frost); border: 0; border-radius: 18px; padding: 20px; box-shadow: var(--g-control-depth); }
.learning-help > h3 { font-size: 13px; display: flex; align-items: center; gap: 8px; margin-bottom: 11px; color: var(--ink); }
.learning-help > h3 .icon { color: var(--accent); }
.learning-help details { font-size: 12px; border: 0; padding: 11px 0; }
.learning-help details:last-child { border: 0; }
.learning-help summary { color: var(--muted); }
.learning-help p { color: var(--muted); margin-top: 10px; line-height: 1.7; }
.learning-help .button { margin-top: 10px; }

/* Snapshots and feedback */
.snapshot-layout { display: grid; grid-template-columns: 315px minmax(0, 1fr); gap: 24px; align-items: start; }
.snapshot-layout > * { min-width: 0; }
.snapshot-create .card-body { display: grid; gap: 17px; }
.snapshot-create .card-body > p { color: var(--muted); font-size: 12px; }
.snapshot-help { color: var(--muted); font-size: 12px; margin-top: 17px; line-height: 1.8; }
.snapshot-help strong { color: var(--ink); font-weight: 600; }
.snapshot-list { display: grid; gap: 14px; }
.snapshot-card { padding: 22px; }
.snapshot-top { display: flex; align-items: flex-start; gap: 13px; }
.snapshot-symbol { width: 39px; height: 39px; flex: 0 0 auto; background: var(--accent-soft); color: var(--accent); border-radius: 12px; display: grid; place-items: center; }
.snapshot-info { min-width: 0; flex: 1; }
.snapshot-info h3 { font-size: 14px; overflow-wrap: anywhere; }
.snapshot-info p { color: var(--muted); font-size: 12px; margin-top: 5px; }
.snapshot-actions { margin-top: 18px; display: flex; gap: 8px; align-items: center; padding-top: 15px; border: 0; }
.snapshot-actions > code { font-size: 12px; color: var(--muted); margin-left: auto; }
.notice { display: flex; align-items: flex-start; gap: 11px; background: var(--g-soft); border: 0; border-radius: 14px; padding: 16px 18px; color: var(--g-accent-text); font-size: 13px; box-shadow: var(--g-control-depth); }
.notice > .icon { width: 17px; height: 17px; margin-top: 2px; }
.notice p { line-height: 1.7; }
.notice strong { font-size: 13px; font-weight: 600; }
.notice .button { margin-top: 11px; }
.notice-error { background: var(--danger-soft); color: var(--danger); }
.notice-warning { background: var(--warning-soft); color: var(--warning); }
.empty-state { padding: 40px 22px; text-align: center; max-width: 550px; margin: 0 auto; }
.empty-icon { display: inline-grid; place-items: center; color: var(--accent); background: var(--accent-soft); border-radius: 15px; width: 48px; height: 48px; margin-bottom: 15px; }
.empty-state h3 { font-size: 14px; color: var(--ink); }
.empty-state p { font-size: 12px; color: var(--muted); max-width: 360px; margin: 8px auto 0; line-height: 1.7; }
.empty-state .button { margin-top: 18px; }
.loading-state { padding: 50px 20px; display: flex; align-items: center; justify-content: center; gap: 11px; color: var(--muted); min-height: 180px; font-size: 13px; }
.spinner { width: 18px; height: 18px; flex: 0 0 auto; display: inline-block; border: 0; background: conic-gradient(transparent 15%, var(--g-accent)); mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 0); -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 0); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.toasts { position: fixed; bottom: 24px; right: 24px; z-index: 70; display: grid; gap: 10px; max-width: min(390px, calc(100vw - 32px)); }
.toast { background: var(--g-dense-frost); color: var(--ink); border: 0; padding: 16px 19px; border-radius: 16px; display: flex; align-items: flex-start; gap: 10px; font-size: 13px; box-shadow: var(--g-elevation); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }
.toast .icon { width: 18px; height: 18px; margin-top: 1px; }
.toast.error { background: var(--danger-soft); color: var(--danger); }

/* Native dialogs; phpMyAdmin itself stays the official application. */
dialog { color: var(--ink); background: linear-gradient(145deg, var(--g-shine), transparent), var(--g-dense-frost); border: 0; padding: 0; box-shadow: 0 30px 80px var(--g-shadow), inset 2px 4px 14px var(--g-shine); backdrop-filter: blur(36px) saturate(160%); -webkit-backdrop-filter: blur(36px) saturate(160%); }
dialog::backdrop { background: var(--backdrop); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.confirm-dialog { width: min(470px, calc(100vw - 32px)); border-radius: 24px; }
.confirm-dialog form { padding: 30px; }
.confirm-symbol { width: 46px; height: 46px; background: var(--g-tint); color: var(--accent); display: grid; place-items: center; border-radius: 14px; margin-bottom: 19px; }
.confirm-dialog h2 { margin-bottom: 12px; }
.confirm-dialog p { font-size: 13px; color: var(--muted); margin-bottom: 23px; line-height: 1.8; }
.confirm-dialog .field-label { margin-bottom: 23px; display: block; font-weight: 400; }
.confirm-dialog .field-label .input { margin-top: 9px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 9px; margin-top: 23px; }
.database-dialog { width: calc(100vw - 56px); max-width: 1740px; height: calc(100dvh - 56px); max-height: none; border-radius: 23px; overflow: hidden; }
.database-dialog[open] { display: flex; flex-direction: column; }
.database-dialog.expanded { width: 100vw; max-width: none; height: 100dvh; margin: 0; border-radius: 0; border: 0; }
.database-dialog-header { padding: 17px 23px; background: var(--surface); border: 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-shrink: 0; }
.database-dialog-title { display: flex; align-items: center; gap: 12px; min-width: 0; }
.database-dialog-title > div { min-width: 0; }
.database-dialog-icon { width: 39px; height: 39px; flex: 0 0 auto; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; border-radius: 12px; }
.database-dialog-title h2 { font-size: 16px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.database-dialog-title p { font-size: 12px; color: var(--muted); margin-top: 3px; }
.modal-tools { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.database-toolbar { display: flex; justify-content: space-between; gap: 20px; align-items: center; background: var(--paper); padding: 12px 23px; border: 0; flex-shrink: 0; }
.database-tabs { display: flex; background: var(--g-tint); border-radius: 11px; padding: 3px; gap: 3px; }
.database-tab { background: transparent; border: 0; border-radius: 9px; color: var(--muted); padding: 9px 17px; font-size: 12px; font-weight: 500; display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 36px; transition: background .16s, box-shadow .16s; }
.database-tab .icon { width: 16px; height: 16px; }
.database-tab:hover { color: var(--ink); background: var(--g-tint); }
.database-tab.active { background: var(--g-frost); color: var(--ink); font-weight: 600; box-shadow: var(--g-control-depth); }
.database-tab.active .icon { color: var(--accent); }
.database-context { display: flex; align-items: center; gap: 16px; min-width: 0; }
.modal-database { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 12px; max-width: 230px; }
.modal-database .icon { width: 14px; height: 14px; }
.database-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.modal-table { min-width: 180px; max-width: 260px; font-family: var(--mono); font-size: 12px; min-height: 38px; padding: 8px 26px 8px 11px; }
.database-frame-panel { flex: 1; min-height: 0; position: relative; background: var(--canvas); }
.database-frame-panel iframe { display: block; border: 0; width: 100%; height: 100%; background: white; }
.frame-message { position: absolute; top: 14px; left: 50%; transform: translateX(-50%); padding: 15px 19px; border: 0; background: var(--g-dense-frost); box-shadow: var(--g-elevation); border-radius: 15px; display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); max-width: calc(100% - 28px); min-width: 250px; }
.frame-message p { font-size: 12px; color: var(--muted); margin-top: 3px; }
.frame-message strong { font-size: 12px; font-weight: 600; color: var(--ink); }
.database-dialog-footer { display: flex; align-items: center; gap: 7px; padding: 10px 20px; background: var(--surface); border: 0; font-size: 12px; color: var(--muted); flex-shrink: 0; }
.modal-footer-hint { margin-left: auto; }
.noscript-notice { background: var(--warning-soft); padding: 24px; position: fixed; bottom: 0; width: 100%; z-index: 50; }


/* Brand mark geometry is a glyph, not a decorative panel border. */
.brand-mark::after { content: ''; position: absolute; right: -5px; top: 8px; width: 13px; height: 12px; border-right: 6px solid var(--g-accent); border-top: 6px solid var(--g-accent); border-radius: 0 4px 5px 0; }
.brand-copy { min-width: 0; }
.workspace-label > span:last-child { min-width: 0; overflow-wrap: anywhere; }
.workspace-label strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-settings { margin-bottom: 14px; }
.settings-link { margin-bottom: 14px; }
.language-picker { display: flex; align-items: center; gap: 7px; padding: 5px 9px; background: linear-gradient(145deg, var(--g-shine), transparent), var(--g-glass); border-radius: 50px; box-shadow: var(--g-control-depth); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }
.language-picker > .icon { width: 16px; height: 16px; color: var(--muted); }
.language-picker select { border: 0; background: transparent; min-height: 29px; max-width: 71px; color: var(--ink); font-size: 13px; padding: 2px; }
.language-picker option, select option { color: var(--ink); background: var(--g-panel); }
.hero-card > div:first-child { position: relative; z-index: 1; }
.hero-lens { position: absolute; inset: 0; transform: rotate(-18deg); }
.hero-lens::before, .hero-lens::after { content: ''; position: absolute; inset: 0; border-radius: 37% 50% 40% 48%; box-shadow: inset 12px 17px 26px var(--g-shine), inset -18px -20px 34px var(--g-glow), 9px 25px 32px var(--g-shadow); background: linear-gradient(135deg, var(--g-shine), transparent 53%), linear-gradient(25deg, var(--g-glow), transparent 70%); backdrop-filter: blur(12px) saturate(175%); -webkit-backdrop-filter: blur(12px) saturate(175%); }
.hero-lens::after { inset: 34px 14px -8px 48px; transform: rotate(45deg); border-radius: 38%; background: linear-gradient(145deg, var(--g-shine), transparent), var(--g-glass); }
@keyframes hero-lens-float {
    0%, 100% { transform: translate3d(0, 0, 0) rotate(-18deg); }
    35% { transform: translate3d(3px, -7px, 0) rotate(-14deg); }
    70% { transform: translate3d(-3px, 4px, 0) rotate(-21deg); }
}
@keyframes hero-lens-flow {
    0%, 100% { transform: translate3d(0, 0, 0) rotate(45deg); }
    50% { transform: translate3d(-5px, 3px, 0) rotate(31deg); }
}
@media (prefers-reduced-motion: no-preference) {
    .hero-lens { animation: hero-lens-float 15s ease-in-out infinite; }
    .hero-lens::after { animation: hero-lens-flow 21s ease-in-out -5s infinite; }
}
.dashboard-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; align-items: stretch; }
.dashboard-block { grid-column: span 6; min-width: 0; overflow-wrap: anywhere; }
.dashboard-block[data-size="small"] { grid-column: span 4; }
.dashboard-block[data-size="wide"] { grid-column: span 8; }
.dashboard-block[data-size="full"] { grid-column: span 12; }
.dashboard-block > .card { height: 100%; }
.dashboard-block.card { overflow: hidden; }
.dashboard-block .card-header { padding: 20px 22px 12px; }
.dashboard-block .card-header h2 { font-size: 16px; }
.dashboard-block .card-body { padding: 10px 22px 22px; }
.dashboard-block .home-table-list { padding-bottom: 18px; }
.dashboard-block .saved-list { max-height: 280px; padding: 0 16px 18px; }
.dashboard-block .empty-state { padding: 12px 22px 24px; text-align: left; }
.dashboard-block .empty-icon { width: 34px; height: 34px; border-radius: 11px; margin-bottom: 13px; }
.dashboard-block .empty-state p { margin-left: 0; }
.dashboard-block .empty-state .button { margin-top: 15px; }
.dashboard-block .learning-list { gap: 13px; padding-top: 10px; }
.dashboard-block .learning-item p { display: none; }
.dashboard-block .learning-bottom { padding-top: 0; }
.home-restore-symbol { display: inline-grid; place-items: center; width: 36px; height: 36px; background: var(--g-soft); color: var(--g-accent-text); border-radius: 12px; margin-bottom: 12px; }
.home-restore p, .home-research p { font-size: 13px; color: var(--muted); line-height: 1.65; }
.home-restore .button, .home-research .button { margin-top: 16px; }
.layout-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 13px 15px; border-radius: 15px; background: var(--g-frost); box-shadow: var(--g-control-depth); margin-bottom: 18px; backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }
.layout-toolbar p { font-size: 12px; color: var(--muted); margin-top: 3px; }
.layout-toolbar-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.block-toolbar { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; padding: 10px 15px 5px; min-width: 0; }
.block-drag { display: flex; align-items: center; gap: 5px; flex: 1; cursor: grab; color: var(--muted); font-size: 12px; min-height: 32px; }
.block-drag:active { cursor: grabbing; }
.block-toolbar .input { width: auto; max-width: 132px; min-height: 32px; padding: 6px 8px; font-size: 12px; }
.block-toolbar .icon-button { height: 32px; width: 32px; }
.dashboard-block[draggable="true"], .dashboard-block[data-editing="true"] { box-shadow: var(--g-elevation), 0 8px 24px var(--g-glow); }
.dashboard-block.drag-over { box-shadow: 0 22px 50px var(--g-glow), 0 7px 20px var(--g-shadow), inset 0 0 28px var(--g-glow); }
.dashboard-block.drag-over[data-drop-position="before"] { background: linear-gradient(to bottom, var(--g-glow), transparent 48%), linear-gradient(145deg, var(--g-shine), transparent 72%), var(--g-frost); box-shadow: 0 22px 50px var(--g-glow), 0 7px 20px var(--g-shadow), inset 0 20px 24px -14px var(--g-glow); }
.dashboard-block.drag-over[data-drop-position="after"] { background: linear-gradient(to top, var(--g-glow), transparent 48%), linear-gradient(145deg, var(--g-shine), transparent 72%), var(--g-frost); box-shadow: 0 22px 50px var(--g-glow), 0 7px 20px var(--g-shadow), inset 0 -20px 24px -14px var(--g-glow); }
.layout-hidden { margin-top: 18px; padding: 16px 18px; border-radius: 14px; background: var(--g-frost); color: var(--muted); box-shadow: var(--g-control-depth); }
.layout-hidden p { margin-bottom: 10px; font-size: 13px; }
.layout-hidden-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.settings-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.settings-grid > * { min-width: 0; }
.settings-section { display: grid; gap: 18px; padding: 22px; }
.settings-section + .settings-section { padding-top: 26px; }
.settings-section h2 { font-size: 15px; display: flex; gap: 8px; align-items: center; }
.settings-section h2 > .icon { width: 17px; height: 17px; color: var(--muted); }
.settings-section p { font-size: 13px; color: var(--muted); line-height: 1.65; }
.setting-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 13px; }
.setting-row > span { flex: 1; min-width: 0; }
.setting-row small { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
.setting-row > .input, .setting-row select { width: auto; max-width: 185px; }
.setting-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.setting-actions [aria-pressed="true"] { background: var(--g-soft); font-weight: 600; box-shadow: 0 6px 16px var(--g-glow), inset 1px 2px 8px var(--g-shine); }
.colour-swatches { display: flex; gap: 11px; flex-wrap: wrap; padding: 2px 0; }
.colour-swatch { position: relative; width: 36px; height: 36px; border: 0; border-radius: 50%; padding: 0; background: var(--swatch, var(--g-accent)); color: #fff; box-shadow: 0 6px 14px var(--g-shadow), inset 1px 2px 7px #ffffff40; }
.colour-swatch[aria-pressed="true"] { box-shadow: 0 8px 18px var(--g-glow), inset 1px 3px 8px #ffffff50; }
.colour-swatch[aria-pressed="true"]::after { content: '✓'; position: absolute; inset: 0; display: grid; place-items: center; font-size: 18px; font-weight: 600; text-shadow: 0 2px 6px #00000033; }
.custom-colour { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13px; }
input[type="color"] { width: 39px; height: 32px; padding: 4px; border: 0; border-radius: 10px; background: var(--g-frost); box-shadow: var(--g-control-depth); }
input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"]::-webkit-color-swatch { border: 0; border-radius: 6px; }
input[type="color"]::-moz-color-swatch { border: 0; border-radius: 6px; }
.setting-row input[type="checkbox"] { appearance: none; position: relative; width: 38px; height: 24px; border: 0; border-radius: 30px; background: var(--g-toggle-track); box-shadow: inset 0 3px 7px var(--g-shadow); flex-shrink: 0; margin: 0; }
.setting-row input[type="checkbox"]::after { content: ''; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: var(--g-toggle-thumb); box-shadow: 0 2px 5px var(--g-shadow); }
.setting-row input[type="checkbox"]:checked { background: var(--g-accent); }
.setting-row input[type="checkbox"]:checked::after { left: 17px; background: var(--g-on-accent); }
.appearance-preview { padding: 30px 22px; min-height: 230px; display: flex; align-items: center; justify-content: center; background: radial-gradient(ellipse at 10% 10%, var(--g-glow), transparent 70%), var(--canvas); }
.appearance-preview > div { width: 100%; padding: 20px; border-radius: 17px; background: linear-gradient(145deg, var(--g-shine), transparent), var(--g-glass); box-shadow: var(--g-elevation); backdrop-filter: blur(26px) saturate(160%); -webkit-backdrop-filter: blur(26px) saturate(160%); }
.appearance-preview h2 { margin-top: 12px; font-size: 20px; }
.appearance-preview p { color: var(--muted); font-size: 13px; margin: 8px 0 16px; }
.brand-preview { padding: 24px; }
.brand-preview .brand { margin: 0 0 22px; }
.brand-preview p { color: var(--muted); font-size: 13px; margin-top: 10px; }
.settings-aside { display: grid; gap: 20px; }
.settings-reset { margin-top: 18px; }
.data-table tbody tr:nth-child(even) td { background: var(--g-row); }
.table-workspace > .card, .editor-card, .query-result.card { background: linear-gradient(145deg, var(--g-shine), transparent 75%), var(--g-dense-frost); }
.home-table-item:hover, .saved-item-open:hover { background: var(--g-row); }
.builder-column input[type="checkbox"] { appearance: none; width: 18px; height: 18px; border: 0; border-radius: 6px; background: var(--g-input); box-shadow: var(--g-input-depth); display: grid; place-items: center; }
.builder-column input[type="checkbox"]:checked { background: var(--g-accent); color: var(--g-on-accent); }
.builder-column input[type="checkbox"]:checked::after { content: '✓'; font-size: 14px; font-weight: 600; }
:root[data-sidebar="right"] .sidebar { order: 1; margin: 12px 12px 12px 0; }
:root[data-sidebar="right"] .workspace { order: 0; }

/* Solid rendering is the shared fallback for reduced transparency and missing blur. */
:root[data-reduce-transparency="true"] { --g-glass: var(--g-panel); --g-frost: var(--g-panel); --g-dense-frost: var(--g-panel); --g-input: var(--g-panel); }
:root[data-reduce-transparency="true"] :is(.sidebar, .card, .catalog, .snapshot-card, .hero-card, .button-secondary, .language-picker, .workspace-label, .toast, dialog, .appearance-preview > div, .layout-toolbar) { backdrop-filter: none; -webkit-backdrop-filter: none; }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    :root { --g-glass: var(--g-panel); --g-frost: var(--g-panel); --g-dense-frost: var(--g-panel); --g-input: var(--g-panel); }
}
@media (prefers-reduced-transparency: reduce) {
    :root { --g-glass: var(--g-panel); --g-frost: var(--g-panel); --g-dense-frost: var(--g-panel); --g-input: var(--g-panel); }
    :is(.sidebar, .card, .catalog, .snapshot-card, .hero-card, .button-secondary, .language-picker, .workspace-label, .toast, dialog, .appearance-preview > div, .layout-toolbar) { backdrop-filter: none; -webkit-backdrop-filter: none; }
}
/* Responsive layouts preserve scrollable data areas inside the page. */
@media (min-width: 1700px) { main { padding-left: 48px; padding-right: 48px; } }
@media (max-width: 1200px) {
    .sidebar { width: 190px; flex-basis: 190px; padding-left: 14px; padding-right: 14px; }
    .brand { margin-left: 7px; }
    .brand strong { font-size: 25px; }
    .brand small { font-size: 12px; }
    .workspace-label { font-size: 12px; padding: 10px; }
    .workspace-label small { font-size: 12px; }
    .topbar { padding-left: 26px; padding-right: 26px; }
    main { padding: 12px 24px 26px; }
    .explorer-layout { grid-template-columns: 210px minmax(0, 1fr); gap: 17px; }
    .research-layout { grid-template-columns: minmax(0, 1fr) 250px; gap: 18px; }
    .home-columns { gap: 18px; }
    .hero-visual { width: 185px; flex-basis: 185px; }
    .hero-card h2 { font-size: 26px; }
    .snapshot-layout { grid-template-columns: 280px minmax(0, 1fr); }
    .keyboard-hint { display: none; }
}
@media (max-width: 1000px) {
    .home-columns { grid-template-columns: minmax(0, 1fr); }
    .hero-visual { width: 170px; flex-basis: 170px; height: 170px; opacity: .8; }
    .research-layout, .snapshot-layout { grid-template-columns: minmax(0, 1fr); }
    .research-aside { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: start; }
    .learning-help { margin-top: 0; }
    .table-heading { flex-direction: column; gap: 12px; }
    .table-heading-actions { align-self: flex-start; flex-wrap: wrap; }
    .page-heading { align-items: flex-start; }
    .heading-actions { flex-direction: column; }
    .modal-database { display: none; }
    .stat-note { max-width: 150px; }
    .stat-card { padding: 12px 6px; }
    .stat-icon { display: none; }
    .stat-card p { padding-right: 0; }
}
@media (max-width: 820px) {
    .sidebar { position: fixed; left: 0; z-index: 45; width: 250px; margin: 12px; transform: translateX(calc(-100% - 24px)); transition: transform .18s ease; }
    .sidebar-open .sidebar { transform: translateX(0); box-shadow: var(--g-elevation); }
    .sidebar-open .app-shell::after { content: ''; position: fixed; inset: 0; background: var(--backdrop); z-index: 40; }
    .mobile-menu { display: inline-flex; }
    .topbar { min-height: 70px; padding: 13px 18px; }
    .topbar-location { gap: 9px; }
    .topbar-actions { gap: 7px; }
    main { padding: 12px 21px 28px; }
    .workspace-footer { padding-left: 21px; padding-right: 21px; }
    .explorer-layout { grid-template-columns: 200px minmax(0, 1fr); }
    .catalog-list { max-height: 65vh; }
    .data-table th, .data-table td { padding: 11px 13px; }
    .database-dialog { width: calc(100vw - 24px); height: calc(100dvh - 24px); border-radius: 20px; }
    .database-dialog-header { padding: 14px 16px; }
    .database-toolbar { padding: 10px 14px; gap: 12px; }
    .database-tab { padding: 9px 12px; gap: 6px; }
    .modal-table { min-width: 145px; max-width: 190px; }
    .frame-message { flex-wrap: wrap; }
    .modal-footer-hint { display: none; }
}
@media (max-width: 600px) {
    .breadcrumb-root, .breadcrumb-separator, .local-pill { display: none; }
    .topbar-actions > .button { font-size: 12px; padding: 9px 12px; }
    .topbar-actions > .button .icon { display: none; }
    main { padding: 12px 16px 27px; }
    h1 { font-size: 29px; letter-spacing: -.9px; }
    .page-heading { flex-direction: column; gap: 16px; margin-bottom: 24px; }
    .page-description { font-size: 13px; }
    .heading-actions { flex-direction: row; justify-content: flex-start; }
    .hero-card { padding: 26px 23px; border-radius: 22px; }
    .hero-card h2 { font-size: 31px; }
    .hero-actions { gap: 9px; }
    .hero-actions .button { white-space: normal; }
    .stats-grid { gap: 9px; margin-bottom: 24px; }
    .stat-card { padding: 12px 3px; border-radius: 0; }
    .stat-icon { display: none; }
    .stat-icon .icon { width: 16px; height: 16px; }
    .stat-card p { font-size: 12px; }
    .stat-value { font-size: 28px; }
    .stat-note { font-size: 12px; line-height: 1.5; }
    .card-header { padding: 19px; gap: 10px; }
    .card-header .button-small { padding: 7px 8px; }
    .card-body { padding: 19px; }
    .home-table-list { padding: 4px 18px; }
    .learning-list { padding: 23px 20px; }
    .learning-bottom { padding: 16px 20px; }
    .explorer-layout { grid-template-columns: minmax(0, 1fr); }
    .catalog-head { padding-bottom: 11px; }
    .catalog-list { display: flex; gap: 5px; overflow-x: auto; max-height: none; padding: 0 11px 11px; }
    .catalog-item { flex: 0 0 auto; width: auto; max-width: 200px;  }
    .catalog-item-count { display: none; }
    .catalog-title { margin-bottom: 10px; }
    .table-toolbar { flex-wrap: wrap; padding: 13px 15px; }
    .table-toolbar .search-field { max-width: none; min-width: 160px; }
    .table-toolbar-right > span { display: none; }
    .table-heading { padding: 18px; }
    .table-pagination { flex-wrap: wrap; padding: 13px; }
    .table-heading-actions .button { font-size: 12px; }
    .research-aside { grid-template-columns: minmax(0, 1fr); }
    .query-builder > summary { padding: 18px; }
    .query-builder > summary small { font-size: 12px; }
    .builder-body { padding: 16px; }
    .builder-two-columns, .builder-columns { grid-template-columns: minmax(0, 1fr); }
    .builder-filter-row, .builder-order-row { grid-template-columns: minmax(0, 1fr) 36px; }
    .builder-filter-row > select:first-of-type, .builder-order-row > select:first-of-type { grid-column: 1 / -1; }
    .builder-filter-row > select:nth-of-type(2), .builder-order-row > select:nth-of-type(2) { grid-column: 1; grid-row: 3; }
    .builder-filter-row > input, .builder-filter-row > .builder-no-value { grid-column: 1 / -1; grid-row: 4; }
    .builder-filter-row > .button, .builder-order-row > .button { grid-column: 2; grid-row: 3; }
    .builder-actions { align-items: flex-start; flex-direction: column; gap: 9px; }
    .editor-actions, .editor-action-buttons { flex-wrap: wrap; }
    .editor-wrap { padding: 20px; }
    .editor-action-buttons .button { font-size: 12px; padding-left: 11px; padding-right: 11px; }
    .query-metrics { flex-wrap: wrap; justify-content: flex-end; }
    .snapshot-actions { flex-wrap: wrap; }
    .snapshot-actions > code { display: none; }
    .relation-card { flex-wrap: wrap; }
    .relation-card > .button { margin-left: 32px; }
    .workspace-footer { font-size: 12px; padding: 18px 16px; }
    .workspace-footer span:last-child { display: none; }
    .database-dialog { width: 100vw; height: 100dvh; max-width: none; margin: 0; border-radius: 0; border: 0; }
    .database-dialog-title p { display: none; }
    .database-dialog-title h2 { font-size: 14px; }
    .database-dialog-icon { width: 32px; height: 32px; border-radius: 10px; }
    .database-dialog-title { gap: 9px; }
    .modal-tools { gap: 2px; }
    .modal-tools > .button { padding: 7px 9px; }
    .modal-tools > .button span { display: none; }
    .modal-tools .icon-button { width: 32px; }
    .database-toolbar { flex-direction: column-reverse; gap: 10px; align-items: stretch; padding: 11px 13px; }
    .database-context { width: 100%; }
    .modal-table { max-width: none; width: 100%; }
    .database-tabs { justify-content: space-around; }
    .database-tab { flex: 1; padding: 9px 8px; }
    .frame-message { width: calc(100% - 20px); min-width: 0; top: 8px; padding: 12px; }
    .confirm-dialog form { padding: 24px; }
    .dialog-actions .button { white-space: normal; }
}
@media (pointer: coarse) {
    .button, .icon-button, .catalog-item, .database-tab, .sidebar-export,
    .builder-group-heading .button, .builder-filter-row .icon-button,
    .builder-order-row .icon-button, .pagination-buttons .button { min-height: 44px; min-width: 44px; }
    .icon-button { min-width: 44px; }
    .builder-column { min-height: 44px; }
    .builder-filter-row { grid-template-columns: minmax(0, 1fr) minmax(0, .85fr) minmax(0, .8fr) 44px; }
    .builder-order-row { grid-template-columns: minmax(0, 1fr) minmax(0, .65fr) 44px; }
}
@media (pointer: coarse) and (max-width: 600px) {
    .builder-filter-row, .builder-order-row { grid-template-columns: minmax(0, 1fr) 44px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

@media (max-width: 1100px) { .settings-grid { grid-template-columns: minmax(0, 1fr); } .settings-aside { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; } }
@media (max-width: 850px) {
    .dashboard-block[data-size="small"], .dashboard-block[data-size="wide"] { grid-column: span 6; }
    .settings-aside { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 820px) {
    :root[data-sidebar="right"] .sidebar { left: auto; right: 0; margin: 12px; transform: translateX(calc(100% + 24px)); }
    :root[data-sidebar="right"] .sidebar-open .sidebar { transform: translateX(0); }
    .topbar { flex-wrap: wrap; }
}
@media (max-width: 620px) {
    .dashboard-grid { grid-template-columns: minmax(0, 1fr); }
    .dashboard-block, .dashboard-block[data-size] { grid-column: 1; }
    .settings-section { padding: 20px; }
    .setting-row { flex-wrap: wrap; }
    .setting-row > .input, .setting-row select { max-width: 100%; }
    .hero-visual { position: absolute; right: -60px; top: 15px; width: 160px; height: 160px; opacity: .28; }
    .hero-card > div:first-child { max-width: 100%; }
    .hero-card p { max-width: 290px; }
    .topbar-location { min-width: 0; flex: 1; }
    .topbar-actions { flex-wrap: wrap; justify-content: flex-end; }
    .language-picker { padding: 4px 8px; }
    .layout-toolbar { align-items: flex-start; }
    .layout-toolbar-actions { width: 100%; }
    .block-toolbar { padding: 10px 12px 5px; }
    .block-toolbar .input { max-width: 115px; }
}
@media (pointer: coarse) {
    .language-picker select, .colour-swatch { min-height: 44px; min-width: 44px; }
    .setting-row, .custom-colour { min-height: 44px; }
    input[type="color"] { width: 44px; height: 44px; }
    .input, .sql-editor, .language-picker select { font-size: 16px; }
    .block-toolbar .icon-button, .block-toolbar .input { min-height: 44px; }
}
@media (forced-colors: active) {
    :root { --g-glass: Canvas; --g-frost: Canvas; --g-dense-frost: Canvas; --g-panel: Canvas; --g-input: Canvas; --ink: CanvasText; --muted: CanvasText; --g-accent-text: LinkText; }
    body { background: Canvas; }
    :is(.sidebar, .card, .catalog, .snapshot-card, .hero-card, dialog, .input, .button) { forced-color-adjust: auto; box-shadow: none; backdrop-filter: none; }
    :is(button, a, input, select, textarea, summary):focus-visible { outline: 3px solid Highlight; }
    .button, .input, .catalog-item.active, .database-tab.active, .nav-link.active { outline: 1px solid ButtonText; outline-offset: -1px; }
    .setting-row input[type="checkbox"], .builder-column input[type="checkbox"] { appearance: auto; }
    .setting-row input[type="checkbox"]::after, .builder-column input[type="checkbox"]::after { display: none; }
    .hero-visual { display: none; }
}

/* Read-only schema designer: shared glass materials; relationships are data. */
.schema-workspace { min-width: 0; }
.schema-toolbar, .schema-caption, .schema-zoom-controls, .schema-legend { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.schema-toolbar { margin-bottom: 14px; }
.schema-search { flex: 1 1 220px; min-width: 180px; }
.schema-search .input { width: 100%; }
.schema-zoom-controls { gap: 4px; }
.schema-zoom-controls .button { min-height: 40px; }
.schema-zoom-value { width: 48px; text-align: center; font-variant-numeric: tabular-nums; }
.schema-caption { justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.schema-filter { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); cursor: pointer; }
.schema-filter input { accent-color: var(--g-accent-text); width: 17px; height: 17px; }
.schema-layout { display: grid; grid-template-columns: 235px minmax(0, 1fr); gap: 18px; align-items: start; }
.schema-aside { padding: 18px; max-height: 760px; overflow-y: auto; scrollbar-width: thin; }
.schema-aside-heading { display: grid; gap: 4px; margin-bottom: 12px; }
.schema-index { display: grid; gap: 4px; max-height: 235px; overflow-y: auto; padding: 3px; scrollbar-width: thin; }
.schema-index-item { width: 100%; justify-content: flex-start; text-align: left; min-width: 0; padding: 8px; box-shadow: none; background: transparent; }
.schema-index-item span { overflow-wrap: anywhere; min-width: 0; }
.schema-index-item[aria-pressed="true"] { background: var(--g-tint); color: var(--g-accent-text); box-shadow: var(--g-control-depth); }
.schema-selected { margin-top: 24px; display: grid; gap: 12px; min-width: 0; }
.schema-selected-name { display: block; overflow-wrap: anywhere; font-size: 13px; font-weight: 600; }
.schema-detail-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.schema-detail-actions .button { white-space: normal; text-align: left; }
.schema-relation { padding: 12px; border-radius: 12px; background: var(--g-row); display: grid; gap: 7px; min-width: 0; }
.schema-relation .button { min-width: 0; white-space: normal; text-align: left; overflow-wrap: anywhere; }
.schema-constraint-name { font-size: 12px; overflow-wrap: anywhere; color: var(--muted); }
.schema-pairs { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; font-size: 12px; overflow-wrap: anywhere; }
.schema-board { min-width: 0; }
.schema-viewport { overflow: hidden; position: relative; touch-action: none; cursor: grab; }
.schema-viewport.is-panning { cursor: grabbing; }
.schema-world { position: absolute; left: 0; top: 0; transform-origin: 0 0; will-change: transform; }
.schema-lines { position: absolute; left: 0; top: 0; overflow: visible; pointer-events: none; color: var(--g-accent-text); }
.schema-edge { stroke: currentColor; stroke-width: 1.7; opacity: .52; }
.schema-edge.is-highlighted { stroke-width: 2.8; opacity: 1; }
.schema-edge.is-muted { opacity: .14; }
.schema-endpoint { fill: var(--g-accent-text); }
.schema-node { position: absolute; background: linear-gradient(135deg, var(--g-shine), transparent 70%), var(--g-dense-frost); border: 0; border-radius: 16px; box-shadow: var(--g-elevation); overflow: visible; backdrop-filter: blur(24px) saturate(140%); -webkit-backdrop-filter: blur(24px) saturate(140%); }
.schema-node.is-selected { background: linear-gradient(140deg, var(--g-tint), transparent 80%), var(--g-panel); box-shadow: var(--g-elevation), 0 6px 26px var(--g-glow); z-index: 2; }
.schema-node.is-related { box-shadow: var(--g-elevation), 0 3px 14px var(--g-glow); }
.schema-node.is-moving { z-index: 3; }
.schema-node-header { display: grid; align-content: center; gap: 4px; width: 100%; height: 64px; padding: 10px 14px; background: var(--g-frost); color: var(--ink); border: 0; border-radius: 16px 16px 0 0; text-align: left; cursor: grab; touch-action: none; }
.schema-node-header:active { cursor: grabbing; }
.schema-node-header:focus-visible { outline-offset: 4px; }
.schema-node-title { display: flex; align-items: center; gap: 8px; min-width: 0; }
.schema-node-title strong { font-size: 13px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.schema-node-title .icon { width: 17px; height: 17px; color: var(--g-accent-text); }
.schema-node-subtitle { font-size: 12px; color: var(--muted); }
.schema-columns { list-style: none; padding: 0; margin: 0; }
.schema-column { display: flex; align-items: center; gap: 7px; height: 30px; padding: 0 12px; }
.schema-column:nth-child(even) { background: var(--g-row); }
.schema-key { flex: 0 0 38px; font-size: 12px; font-weight: 650; color: var(--g-accent-text); white-space: nowrap; }
.schema-column-name { color: var(--ink); flex: 1; min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 12px; }
.schema-column-type { color: var(--muted); max-width: 85px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.schema-no-columns { padding: 12px; }
.schema-no-matches { position: absolute; inset: 0; display: grid; align-content: center; justify-items: center; gap: 12px; padding: 24px; background: var(--g-frost); }
.schema-help { padding: 12px 4px 0; }
.schema-legend { margin: 16px 0 8px; font-size: 12px; color: var(--muted); }
.schema-legend .badge { font-size: 12px; }
.schema-legend span:nth-child(2) { margin-right: 12px; }
.schema-storage { margin-top: 12px; }
@supports not (backdrop-filter: blur(1px)) { .schema-node, .schema-node-header, .schema-no-matches { background: var(--g-panel); } }
:root[data-reduce-transparency="true"] .schema-node, :root[data-reduce-transparency="true"] .schema-node-header, :root[data-reduce-transparency="true"] .schema-no-matches { background: var(--g-panel); backdrop-filter: none; -webkit-backdrop-filter: none; }
@media (max-width: 1100px) { .schema-layout { grid-template-columns: 200px minmax(0, 1fr); gap: 12px; } .schema-aside { padding: 14px; } }
@media (max-width: 700px) { .schema-layout { grid-template-columns: minmax(0, 1fr); } .schema-aside { max-height: none; } .schema-index { max-height: 150px; grid-template-columns: repeat(2, minmax(0, 1fr)); } .schema-selected { margin-top: 16px; } .schema-zoom-controls { flex-wrap: wrap; } .schema-toolbar > .button { font-size: 12px; } .schema-zoom-controls .button { min-height: 44px; } }
@media (forced-colors: active) { .schema-node, .schema-viewport { background: Canvas; box-shadow: none; backdrop-filter: none; outline: 1px solid CanvasText; } .schema-node.is-selected { outline: 3px solid Highlight; } .schema-node-header { background: Canvas; color: CanvasText; } .schema-edge, .schema-edge.is-highlighted { stroke: CanvasText; opacity: 1; } .schema-edge.is-muted { opacity: .6; } .schema-endpoint { fill: CanvasText; } }

/* Persistent schema tools open one adjacent context panel. */
.schema-layout { grid-template-columns: 80px 260px minmax(0, 1fr); gap: 12px; }
.schema-layout.is-panel-collapsed { grid-template-columns: 80px minmax(0, 1fr); }
.schema-tool-rail { padding: 8px; height: min(70vh, 760px); min-height: 300px; display: flex; flex-direction: column; gap: 12px; min-width: 0; overflow-y: auto; scrollbar-width: thin; }
.schema-rail-label { color: var(--muted); font-size: 12px; line-height: 1.4; text-align: center; overflow-wrap: anywhere; padding: 5px 1px; }
.schema-tool-buttons { display: grid; gap: 6px; }
.schema-tool-rail .button { width: 100%; min-width: 0; min-height: 72px; padding: 10px 4px; display: flex; flex-direction: column; gap: 7px; font-size: 12px; line-height: 1.35; color: var(--muted); background: transparent; box-shadow: none; text-align: center; }
.schema-tool-rail .button span { overflow-wrap: anywhere; }
.schema-tool-rail .button .icon { width: 21px; height: 21px; }
.schema-tool-rail .button:hover:not(:disabled), .schema-tool-rail .button[aria-expanded="true"] { background: var(--g-frost); color: var(--g-accent-text); box-shadow: var(--g-control-depth); }
.schema-tool-rail #schema-help-open { margin-top: 6px; }
.schema-aside { max-height: min(70vh, 760px); padding: 16px; overscroll-behavior: contain; }
.schema-panel-heading { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.schema-panel-heading .eyebrow { margin-bottom: 4px; font-size: 12px; letter-spacing: .6px; }
.schema-panel-heading h2 { font-size: 17px; }
.schema-panel-heading .icon-button { min-width: 36px; }
.schema-aside .schema-index { max-height: none; margin-top: 12px; }
.schema-aside .schema-selected { margin-top: 0; }
.schema-aside .schema-selected-name { font-family: var(--mono); font-size: 14px; line-height: 1.5; }
.schema-column-details { min-width: 0; padding: 12px; border-radius: 12px; background: var(--g-row); }
.schema-column-details summary { font-size: 12px; color: var(--g-accent-text); padding: 4px 0; cursor: pointer; }
.schema-detail-columns { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 12px; }
.schema-detail-columns li { display: grid; gap: 3px; min-width: 0; overflow-wrap: anywhere; }
.schema-detail-columns li > div { display: flex; justify-content: space-between; gap: 6px; align-items: start; }
.schema-detail-columns code { font-size: 12px; }
.schema-detail-columns .badge { font-size: 12px; padding: 2px 5px; }
.schema-panel-chrome { position: sticky; top: -16px; z-index: 4; margin: -16px -16px 16px; padding: 16px; border-radius: 20px 20px 12px 12px; background: linear-gradient(145deg, var(--g-shine), transparent 72%), var(--g-dense-frost); box-shadow: var(--g-control-depth); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }
:root[data-sidebar="right"] .schema-layout { grid-template-columns: minmax(0, 1fr) 260px 80px; }
:root[data-sidebar="right"] .schema-tool-rail { order: 3; }
:root[data-sidebar="right"] .schema-aside { order: 2; }
:root[data-sidebar="right"] .schema-board { order: 1; }
:root[data-sidebar="right"] .schema-layout.is-panel-collapsed { grid-template-columns: minmax(0, 1fr) 80px; }
@media (max-width: 1100px) and (min-width: 701px) {
    .schema-layout { grid-template-columns: 72px 220px minmax(0, 1fr); }
    .schema-layout.is-panel-collapsed { grid-template-columns: 72px minmax(0, 1fr); }
    :root[data-sidebar="right"] .schema-layout { grid-template-columns: minmax(0, 1fr) 220px 72px; }
    :root[data-sidebar="right"] .schema-layout.is-panel-collapsed { grid-template-columns: minmax(0, 1fr) 72px; }
}
@media (max-width: 700px) {
    .schema-layout, .schema-layout.is-panel-collapsed, :root[data-sidebar="right"] .schema-layout, :root[data-sidebar="right"] .schema-layout.is-panel-collapsed { grid-template-columns: minmax(0, 1fr); }
    .schema-tool-rail, :root[data-sidebar="right"] .schema-tool-rail { order: 0; height: auto; min-height: 0; display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 6px; }
    .schema-rail-label { grid-column: 1 / -1; text-align: left; padding: 3px 7px; }
    .schema-tool-buttons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
    .schema-tool-rail .button { min-height: 68px; height: 100%; padding: 8px 4px; }
    .schema-tool-rail #schema-help-open { margin-top: 0; }
    .schema-board, :root[data-sidebar="right"] .schema-board { order: 1; }
    .schema-aside, :root[data-sidebar="right"] .schema-aside { order: 2; max-height: min(50vh, 420px); padding: 16px; }
    .schema-aside .schema-index { grid-template-columns: minmax(0, 1fr); }
    .schema-panel-heading .icon-button { min-height: 44px; }
}
@supports not (backdrop-filter: blur(1px)) { .schema-panel-chrome { background: var(--g-panel); } }
:root[data-reduce-transparency="true"] .schema-panel-chrome { background: var(--g-panel); backdrop-filter: none; -webkit-backdrop-filter: none; }
@media (forced-colors: active) {
    .schema-tool-rail .button[aria-expanded="true"] { outline: 2px solid Highlight; }
    .schema-panel-chrome { background: Canvas; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
}