/* LookDB — design tokens ---------------------------------------------------- */
:root {
    color-scheme: light;
    --font-ui: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-display: 'Bricolage Grotesque', 'IBM Plex Sans', system-ui, sans-serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

    --bg: #f4f4f1;
    --bg-sunken: #ebebe6;
    --panel: #ffffff;
    --panel-2: #fafaf8;
    --ink: #17181c;
    --ink-2: #3c3e46;
    --muted: #6d6f78;
    --line: #e1e1db;
    --line-strong: #cbcbc3;
    --accent: #5b5bd6;
    --accent-ink: #ffffff;
    --accent-soft: #ececfb;
    --accent-line: #b9b9f0;
    --success: #1f8a5b;
    --warning: #b86e00;
    --danger: #d13a3f;
    --danger-soft: #fdeceb;

    --canvas: #f7f7f4;
    --canvas-dot: #d6d6cf;
    --edge: #9a9ba5;
    --edge-active: var(--accent);
    --table-shadow: 0 1px 2px rgb(20 20 30 / 6%), 0 4px 14px rgb(20 20 30 / 6%);

    --radius: 10px;
    --radius-sm: 7px;
    --shadow-pop: 0 10px 40px rgb(20 20 30 / 16%), 0 2px 8px rgb(20 20 30 / 8%);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        color-scheme: dark;
        --bg: #111216;
        --bg-sunken: #0c0d10;
        --panel: #1a1b21;
        --panel-2: #16171c;
        --ink: #ececf1;
        --ink-2: #c5c6cf;
        --muted: #8e909b;
        --line: #2a2c34;
        --line-strong: #3a3c46;
        --accent: #8b8bf5;
        --accent-ink: #121226;
        --accent-soft: #24244a;
        --accent-line: #4a4a90;
        --success: #3fbf87;
        --warning: #e3a33b;
        --danger: #f06a6e;
        --danger-soft: #3a1c1e;
        --canvas: #131419;
        --canvas-dot: #2b2d36;
        --edge: #6b6d7a;
        --table-shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 6px 18px rgb(0 0 0 / 30%);
        --shadow-pop: 0 12px 40px rgb(0 0 0 / 55%);
    }
}
:root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #111216;
    --bg-sunken: #0c0d10;
    --panel: #1a1b21;
    --panel-2: #16171c;
    --ink: #ececf1;
    --ink-2: #c5c6cf;
    --muted: #8e909b;
    --line: #2a2c34;
    --line-strong: #3a3c46;
    --accent: #8b8bf5;
    --accent-ink: #121226;
    --accent-soft: #24244a;
    --accent-line: #4a4a90;
    --success: #3fbf87;
    --warning: #e3a33b;
    --danger: #f06a6e;
    --danger-soft: #3a1c1e;
    --canvas: #131419;
    --canvas-dot: #2b2d36;
    --edge: #6b6d7a;
    --table-shadow: 0 1px 2px rgb(0 0 0 / 40%), 0 6px 18px rgb(0 0 0 / 30%);
    --shadow-pop: 0 12px 40px rgb(0 0 0 / 55%);
}

/* Base ---------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 14px/1.5 var(--font-ui); color: var(--ink); background: var(--bg); }
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.02em; line-height: 1.15; margin: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--font-mono); font-size: 0.92em; }
p { margin: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.strong { font-weight: 600; }
.spacer { flex: 1; }
.icon { flex: none; }

/* Buttons & inputs ----------------------------------------------------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    height: 34px; padding: 0 12px; border-radius: var(--radius-sm);
    border: 1px solid var(--line-strong); background: var(--panel); color: var(--ink);
    font: 500 13px/1 var(--font-ui); cursor: pointer; white-space: nowrap; text-decoration: none !important;
    transition: background .15s, border-color .15s, color .15s;
}
.btn:hover:not(:disabled) { background: var(--panel-2); border-color: var(--muted); }
.btn:disabled { opacity: .45; cursor: default; }
.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn--primary:hover:not(:disabled) { background: color-mix(in srgb, var(--accent) 88%, black); border-color: transparent; }
.btn--ghost { background: transparent; border-color: transparent; }
.btn--ghost:hover:not(:disabled) { background: var(--bg-sunken); border-color: transparent; }
.btn--danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); background: transparent; }
.btn--danger:hover:not(:disabled) { background: var(--danger-soft); border-color: var(--danger); }
.btn--danger-text { color: var(--danger); }
.btn--sm { height: 28px; padding: 0 9px; font-size: 12px; }
.btn--xs { height: 24px; padding: 0 6px; font-size: 12px; }
.btn--lg { height: 42px; padding: 0 18px; font-size: 14px; }
.btn--icon { width: 34px; padding: 0; }
.btn--icon.btn--xs { width: 24px; }

.input {
    width: 100%; height: 36px; padding: 0 10px; border-radius: var(--radius-sm);
    border: 1px solid var(--line-strong); background: var(--panel); color: var(--ink);
    font: 14px var(--font-ui);
}
textarea.input { height: auto; padding: 10px; resize: vertical; line-height: 1.45; }
.input.mono { font-family: var(--font-mono); font-size: 12.5px; }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.input--sm { height: 28px; font-size: 12.5px; padding: 0 8px; }
select.input { padding-right: 4px; }
.label { display: grid; gap: 5px; font-size: 12px; font-weight: 500; color: var(--ink-2); }
.label--inline { display: flex; align-items: center; gap: 10px; }
.label--inline .input { width: auto; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.chip {
    display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 11px; border-radius: 99px;
    border: 1px solid var(--line-strong); background: var(--panel); color: var(--ink-2); font: 500 12.5px var(--font-ui); cursor: pointer;
}
.chip span { color: var(--muted); font-size: 11px; }
.chip[aria-pressed="true"], .chip.is-on { background: var(--ink); color: var(--panel); border-color: var(--ink); }
.chip[aria-pressed="true"] span { color: inherit; opacity: .7; }
.chip:disabled { opacity: .4; cursor: default; }

.swatch { width: 14px; height: 14px; border-radius: 4px; flex: none; display: inline-block; }
.swatch--sm { width: 9px; height: 9px; border-radius: 3px; }

.badge { display: inline-flex; align-items: center; height: 19px; padding: 0 6px; border-radius: 5px; font: 600 10.5px var(--font-mono); background: var(--bg-sunken); color: var(--ink-2); }
.badge--pk { background: #fff1c7; color: #8a5a00; }
.badge--fk { background: var(--accent-soft); color: var(--accent); }
.badge--uq { background: #dcf5ec; color: #11734c; }
.badge--ai { background: #f3e6fb; color: #7a3aa8; }
:root[data-theme="dark"] .badge--pk { background: #3b2f10; color: #f1c451; }
:root[data-theme="dark"] .badge--uq { background: #123327; color: #5fd3a3; }
:root[data-theme="dark"] .badge--ai { background: #2f1f3b; color: #cc9bf0; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .badge--pk { background: #3b2f10; color: #f1c451; }
    :root:not([data-theme="light"]) .badge--uq { background: #123327; color: #5fd3a3; }
    :root:not([data-theme="light"]) .badge--ai { background: #2f1f3b; color: #cc9bf0; }
}
.badges { display: inline-flex; gap: 4px; flex-wrap: wrap; }

.db-badge { display: inline-flex; align-items: center; height: 20px; padding: 0 7px; border-radius: 5px; font: 600 10.5px/1 var(--font-mono); text-transform: uppercase; letter-spacing: .04em; background: var(--bg-sunken); color: var(--ink-2); white-space: nowrap; }
.db-badge--postgresql { background: #e3ecfa; color: #2f5da8; }
.db-badge--mysql { background: #fdf0dc; color: #9a5b00; }
.db-badge--sqlite { background: #e4f3f8; color: #0f6e8a; }
.db-badge--sqlserver { background: #fbe6e6; color: #a8302f; }
:root[data-theme="dark"] .db-badge { filter: brightness(.9) saturate(.9); mix-blend-mode: normal; }

/* Theme toggle icon */
.icon--moon { display: none; }
:root[data-theme="dark"] .icon--sun { display: none; }
:root[data-theme="dark"] .icon--moon { display: block; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .icon--sun { display: none; }
    :root:not([data-theme="light"]) .icon--moon { display: block; }
}

/* Top bar & pages ------------------------------------------------------------ */
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 28px; height: 60px; padding: 0 28px; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); font: 700 18px var(--font-display); letter-spacing: -0.03em; text-decoration: none !important; }
.topbar__nav { display: flex; gap: 4px; }
.topbar__nav a { padding: 6px 10px; border-radius: var(--radius-sm); color: var(--ink-2); font-weight: 500; text-decoration: none; }
.topbar__nav a:hover { background: var(--bg-sunken); }
.topbar__nav a[aria-current="page"] { color: var(--ink); background: var(--panel); box-shadow: inset 0 0 0 1px var(--line); }
.topbar__end { margin-left: auto; display: flex; gap: 8px; align-items: center; }

.container { max-width: 1240px; margin: 0 auto; padding: 36px 28px 80px; }
.lead { color: var(--ink-2); font-size: 16px; max-width: 62ch; margin-top: 12px; }


.section { margin-top: 44px; }
.section__head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 16px; }
.section__head h2 { font-size: 22px; }
.count { font: 500 13px var(--font-mono); color: var(--muted); margin-left: 6px; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 18px; }
.cards--gallery { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.cards__item { display: grid; grid-template-rows: 1fr auto; }
.dcard { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; transition: transform .18s, box-shadow .18s, border-color .18s; }
.dcard:hover { transform: translateY(-2px); box-shadow: var(--shadow-pop); border-color: var(--line-strong); }
.dcard__link { display: block; color: inherit; text-decoration: none !important; height: 100%; }
.dcard__thumb { height: 170px; background: var(--panel); border-bottom: 1px solid var(--line); padding: 10px; }
.dcard__body { padding: 14px 16px 16px; display: grid; gap: 8px; }
.dcard__top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.dcard h3 { font-size: 17px; }
.dcard p { color: var(--muted); font-size: 13px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dcard__meta { display: flex; flex-wrap: wrap; gap: 12px; font: 12px var(--font-mono); color: var(--muted); }
.dcard__tags { display: flex; gap: 6px; flex-wrap: wrap; }
.dcard__actions { display: flex; justify-content: flex-end; gap: 4px; padding-top: 6px; }
.tag { font-size: 11.5px; padding: 1px 8px; border-radius: 99px; background: var(--bg-sunken); color: var(--ink-2); }

.thumb { width: 100%; height: 100%; display: block; }
.thumb__table { fill: var(--panel); stroke: var(--line-strong); stroke-width: 2; }
.thumb__row { fill: var(--line); }
.thumb__name { fill: #fff; font: 600 20px var(--font-mono); }
.thumb__edge { fill: none; stroke: var(--edge); stroke-width: 3; opacity: .7; }

.filters { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-bottom: 22px; }
.search { position: relative; display: flex; align-items: center; min-width: 280px; }
.search .icon { position: absolute; left: 10px; color: var(--muted); pointer-events: none; }
.search .input { padding-left: 32px; }
.search--sm { min-width: 0; width: 100%; }
.search--sm .icon { left: 8px; }
.search--sm .input { padding-left: 26px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }

.empty { padding: 44px; text-align: center; border: 1.5px dashed var(--line-strong); border-radius: 14px; background: var(--panel); color: var(--muted); display: grid; gap: 6px; }
.empty strong { color: var(--ink); font-family: var(--font-display); font-size: 17px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.card h3 { font-size: 15px; margin-bottom: 10px; }


.flashes { position: fixed; top: 70px; right: 20px; z-index: 30; display: grid; gap: 8px; max-width: 420px; }
.flash { padding: 10px 14px; border-radius: var(--radius-sm); background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--accent); box-shadow: var(--shadow-pop); font-size: 13px; }
.flash--success { border-left-color: var(--success); }
.flash--warning { border-left-color: var(--warning); }
.flash--error { border-left-color: var(--danger); margin-bottom: 16px; box-shadow: none; }
.flash--floating { position: fixed; bottom: 70px; right: 20px; z-index: 30; max-width: 420px; animation: fadeout 6s forwards; }
@keyframes fadeout { 0%, 85% { opacity: 1; } 100% { opacity: 0; visibility: hidden; } }

/* Toasts & modal ------------------------------------------------------------- */
.toasts { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 100; display: grid; gap: 8px; justify-items: center; pointer-events: none; }
.toast { padding: 9px 14px; border-radius: var(--radius-sm); background: var(--ink); color: var(--panel); font-size: 13px; box-shadow: var(--shadow-pop); max-width: min(560px, 90vw); transition: opacity .3s, transform .3s; }
.toast--error { background: var(--danger); color: #fff; }
.toast--warning { background: var(--warning); color: #fff; }
.toast--success { background: var(--success); color: #fff; }
.toast--out { opacity: 0; transform: translateY(6px); }

.modal-backdrop { position: fixed; inset: 0; z-index: 90; background: rgb(10 10 20 / 45%); display: grid; place-items: center; padding: 20px; animation: fade .15s; }
.modal { width: min(760px, 100%); max-height: calc(100vh - 40px); display: flex; flex-direction: column; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-pop); }
.modal__head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px 8px 20px; }
.modal__head h2 { font-size: 19px; }
.modal__body { padding: 8px 20px 16px; overflow: auto; }
.modal__foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 20px; border-top: 1px solid var(--line); }
.stack { display: grid; gap: 12px; }
.radios { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.radio { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); cursor: pointer; }
.radio:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.radio span { display: grid; }
.radio small { color: var(--muted); }
.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.choice { height: 44px; padding: 0 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--panel); color: var(--ink); font: 500 13.5px var(--font-ui); cursor: pointer; }
.choice:hover { border-color: var(--line-strong); }
.choice[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.filepick { display: flex; gap: 14px; align-items: center; width: 100%; padding: 18px 16px; border: 1.5px dashed var(--line-strong); border-radius: var(--radius-sm); background: var(--bg-sunken); color: var(--ink); font: inherit; text-align: left; cursor: pointer; transition: border-color .15s, background .15s; }
.filepick span { display: grid; gap: 2px; min-width: 0; }
.filepick strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.filepick small { color: var(--muted); }
.filepick .icon { flex: none; color: var(--accent); }
.filepick:hover, .filepick:focus-visible, .filepick.is-dragover { border-color: var(--accent); background: var(--accent-soft); }
.filepick.is-selected { border-style: solid; border-color: var(--accent); }
.filepick.is-selected strong { font-family: var(--font-mono); }
.code { margin: 0; padding: 14px; max-height: 52vh; overflow: auto; background: var(--bg-sunken); border-radius: var(--radius-sm); font: 12.5px/1.55 var(--font-mono); white-space: pre; }
@keyframes fade { from { opacity: 0; } }

/* Editor layout ---------------------------------------------------------------- */
body.app { height: 100vh; overflow: hidden; }
.editor { height: 100vh; display: flex; flex-direction: column; }
.editor__bar { flex: none; display: flex; align-items: center; gap: 14px; height: 54px; padding: 0 12px; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand--compact { padding: 4px; }
.editor__title { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.editor__name { font: 700 16px var(--font-display); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.editor__name-input { font: 700 16px var(--font-display); letter-spacing: -0.02em; color: var(--ink); background: transparent; border: 1px solid transparent; border-radius: 6px; padding: 4px 6px; min-width: 60px; max-width: 100%; }
.editor__name-mirror { position: absolute; visibility: hidden; white-space: pre; pointer-events: none; min-width: 0; max-width: none; }
.editor__name-input:hover { border-color: var(--line); }
.editor__name-input:focus { outline: none; border-color: var(--accent); background: var(--panel); }
.save-status { font-size: 12px; color: var(--muted); white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; }
.save-status::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--line-strong); }
.save-status[data-kind="ok"]::before { background: var(--success); }
.save-status[data-kind="busy"]::before, .save-status[data-kind="dirty"]::before { background: var(--warning); }
.save-status[data-kind="error"] { color: var(--danger); }
.save-status[data-kind="error"]::before { background: var(--danger); }
.save-status:empty { display: none; }
.editor__actions { display: flex; align-items: center; gap: 6px; }


.editor__notice { padding: 8px 16px; background: var(--accent-soft); border-bottom: 1px solid var(--accent-line); font-size: 13px; }
.editor__body { flex: 1; display: grid; grid-template-columns: 240px 1fr auto; min-height: 0; position: relative; }
.editor__body.is-sidebar-collapsed { grid-template-columns: 1fr auto; }
.editor__body.is-sidebar-collapsed .editor__sidebar { display: none; }
.sidebar-toggle { --sidebar-w: 240px; position: absolute; top: 50%; left: var(--sidebar-w); z-index: 5; display: grid; place-items: center; width: 24px; height: 24px; padding: 0; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--panel); color: var(--muted); box-shadow: 0 1px 3px rgb(0 0 0 / 12%); cursor: pointer; transform: translate(-50%, -50%); }
.sidebar-toggle:hover { border-color: var(--accent); color: var(--accent); }
.sidebar-toggle .icon { transition: transform .15s; }
.is-sidebar-collapsed .sidebar-toggle { left: 0; transform: translate(8px, -50%); }
.is-sidebar-collapsed .sidebar-toggle .icon { transform: rotate(180deg); }
.editor__sidebar { display: flex; flex-direction: column; min-height: 0; background: var(--panel); border-right: 1px solid var(--line); }
.sidebar__head { padding: 10px; display: grid; gap: 6px; border-bottom: 1px solid var(--line); }
.tlist { list-style: none; margin: 0; padding: 6px; overflow: auto; flex: 1; }
.tlist__item { width: 100%; display: flex; align-items: center; gap: 8px; padding: 6px 8px; border: 0; border-radius: 6px; background: transparent; color: var(--ink-2); font: 13px var(--font-mono); cursor: pointer; text-align: left; }
.tlist__item:hover { background: var(--bg-sunken); color: var(--ink); }
.tlist__item.is-active { background: var(--accent-soft); color: var(--ink); }
.tlist__name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tlist__count { font-size: 11px; color: var(--muted); }
.tlist__none { padding: 10px; }
.sidebar__comments { display: flex; flex-direction: column; max-height: 42%; min-height: 0; border-top: 1px solid var(--line); }
.sidebar__subhead { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px 4px; font: 600 11px var(--font-ui); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.sidebar__subhead .count { font-size: 11px; color: var(--accent); }
.sidebar__toggle { display: inline-flex; align-items: center; gap: 4px; font-weight: 500; text-transform: none; letter-spacing: 0; cursor: pointer; }
.clist { list-style: none; margin: 0; padding: 4px 6px 8px; overflow: auto; }
.clist__item { width: 100%; display: flex; align-items: flex-start; gap: 8px; padding: 6px 8px; border: 0; border-radius: 6px; background: transparent; color: var(--ink-2); text-align: left; cursor: pointer; }
.clist__item:hover { background: var(--bg-sunken); }
.clist__item.is-active { background: var(--accent-soft); }
.clist__item.is-resolved { opacity: .6; }
.clist__text { display: grid; min-width: 0; gap: 1px; }
.clist__body { font-size: 12.5px; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.clist__meta { font-size: 11px; color: var(--muted); }
.clist__none { padding: 6px 8px; }

.editor__main { position: relative; min-width: 0; min-height: 0; }
.editor__canvas { position: absolute; inset: 0; }

.canvas-controls { position: absolute; left: 14px; bottom: 14px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; pointer-events: none; }
.toolgroup { pointer-events: auto; display: inline-flex; align-items: center; gap: 2px; padding: 3px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--table-shadow); }
.toolgroup button { display: inline-flex; align-items: center; gap: 6px; height: 28px; min-width: 28px; justify-content: center; padding: 0 8px; border: 0; border-radius: 7px; background: transparent; color: var(--ink-2); font: 500 12.5px var(--font-ui); cursor: pointer; }
.toolgroup button:hover { background: var(--bg-sunken); color: var(--ink); }
.toolgroup button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent); }
.toolgroup__label { font: 500 12px var(--font-mono); min-width: 48px; text-align: center; color: var(--muted); }
.canvas-hint { font-size: 12px; color: var(--muted); background: color-mix(in srgb, var(--canvas) 80%, transparent); padding: 3px 8px; border-radius: 6px; }

/* Canvas ------------------------------------------------------------------------ */
.canvas { overflow: hidden; background-color: var(--canvas); background-image: radial-gradient(var(--canvas-dot) 1.1px, transparent 1.1px); cursor: grab; touch-action: none; user-select: none; }
.canvas.is-panning { cursor: grabbing; }
.canvas.is-connecting { cursor: crosshair; }
.canvas__world { position: absolute; left: 0; top: 0; transform-origin: 0 0; }
.canvas__edges { position: absolute; left: 0; top: 0; overflow: visible; pointer-events: none; z-index: 0; }
.canvas__tables { position: relative; z-index: 1; }
.canvas__empty { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; gap: 6px; color: var(--muted); pointer-events: none; }
.canvas__empty strong { font: 700 20px var(--font-display); color: var(--ink); }

.edge__hit { fill: none; stroke: transparent; stroke-width: 14; pointer-events: stroke; cursor: pointer; }
.edge__line { fill: none; stroke: var(--edge); stroke-width: 1.6; transition: stroke .15s, opacity .15s; }
.edge:hover .edge__line { stroke: var(--ink-2); stroke-width: 2.2; }
.edge__dot { fill: var(--edge); }
.edge__card { font: 600 11.5px var(--font-mono); fill: var(--ink-2); paint-order: stroke; stroke: var(--canvas); stroke-width: 4px; stroke-linejoin: round; }
.edge__crow { fill: none; stroke: var(--edge); stroke-width: 1.6; }
.edge__crow .edge__zero { fill: var(--canvas); }
.edge__assoc ellipse { fill: var(--panel); stroke: var(--edge); stroke-width: 1.4; }
.edge__assoc text { font: 500 10.5px var(--font-mono); fill: var(--ink-2); }
.edge.is-active .edge__line { stroke: var(--edge-active); stroke-width: 2.4; }
.edge.is-active .edge__dot { fill: var(--edge-active); }
.edge.is-active .edge__card { fill: var(--edge-active); }
.edge.is-active .edge__crow, .edge.is-active .edge__assoc ellipse { stroke: var(--edge-active); }
.edge.is-dim { opacity: .28; }
.edge__temp { fill: none; stroke: var(--accent); stroke-width: 2; stroke-dasharray: 6 5; }

/* Board annotations: groups behind the edges, notes above the tables, comment bubbles on top. */
.canvas__groups, .canvas__notes, .canvas__comments { position: absolute; left: 0; top: 0; }
.canvas__groups { z-index: 0; }
.canvas__notes { z-index: 2; }
.canvas__comments { z-index: 4; }
.board-group { position: absolute; border: 1.5px solid color-mix(in srgb, var(--gc) 55%, transparent); border-radius: 16px; background: color-mix(in srgb, var(--gc) 7%, transparent); pointer-events: none; }
.board-group.is-selected { border-color: var(--gc); box-shadow: 0 0 0 3px color-mix(in srgb, var(--gc) 25%, transparent); }
.board-group__label { position: absolute; left: 12px; top: 0; transform: translateY(-50%); max-width: calc(100% - 24px); padding: 4px 10px; border-radius: 8px; background: var(--gc); color: #fff; font: 600 13px var(--font-ui); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; pointer-events: auto; cursor: grab; box-shadow: 0 1px 3px rgb(0 0 0 / 15%); }
.editor--readonly .board-group__label { cursor: pointer; }
.board-group__label .inline-edit { height: 20px; margin: 0; color: var(--ink); font: 600 13px var(--font-ui); }
.board-group__resize { position: absolute; width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--gc); background: var(--panel); pointer-events: auto; opacity: 0; transition: opacity .12s; }
.board-group__resize--nw { left: -8px; top: -8px; cursor: nwse-resize; }
.board-group__resize--ne { right: -8px; top: -8px; cursor: nesw-resize; }
.board-group__resize--sw { left: -8px; bottom: -8px; cursor: nesw-resize; }
.board-group__resize--se { right: -8px; bottom: -8px; cursor: nwse-resize; }
.board-group:has(.board-group__label:hover, .board-group__resize:hover) .board-group__resize, .board-group.is-selected .board-group__resize { opacity: 1; }
.board-note { position: absolute; cursor: grab; }
.editor--readonly .board-note { cursor: pointer; }
.board-note__text { white-space: pre-wrap; overflow-wrap: anywhere; }
.board-note--title { color: var(--ink); font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; white-space: nowrap; padding: 2px 6px; border-radius: 8px; }
.board-note--title .board-note__text { white-space: pre; }
.board-note--lg { font-size: 34px; line-height: 44px; }
.board-note--md { font-size: 24px; line-height: 32px; }
.board-note--sm { font-size: 17px; line-height: 24px; }
.board-note--title.is-selected, .board-note--title:hover { box-shadow: 0 0 0 1.5px var(--accent); }
.board-note--title .inline-edit { height: auto; min-width: 240px; margin: 0; font: inherit; letter-spacing: inherit; line-height: inherit; }
.board-note--sticky { min-height: 90px; padding: 12px 14px; border-radius: 4px 4px 14px 4px; background: var(--nc); color: #2b2a24; font: 14px/1.45 var(--font-ui); box-shadow: 0 1px 2px rgb(0 0 0 / 10%), 0 6px 18px rgb(0 0 0 / 10%); }
.board-note--sticky.is-selected { box-shadow: 0 0 0 2px var(--accent), 0 6px 18px rgb(0 0 0 / 14%); }
.board-note--sticky .inline-edit { display: block; width: 100%; height: auto; min-height: 64px; margin: 0; padding: 0; border: 0; background: transparent; color: inherit; font: inherit; resize: none; overflow: hidden; }

.canvas.is-placing, .canvas.is-placing * { cursor: crosshair !important; }
/* Item being moved by a collaborator, tagged with their name. */
.db-table.is-remote, .board-note.is-remote, .board-group.is-remote { outline: 2px dashed var(--accent); outline-offset: 3px; }
.db-table.is-remote::after, .board-note.is-remote::after { content: attr(data-remote-by); position: absolute; left: 0; top: -22px; padding: 1px 6px; border-radius: 5px; background: var(--accent); color: #fff; font: 600 11px var(--font-ui); white-space: nowrap; pointer-events: none; }
.presence { display: flex; align-items: center; padding-left: 4px; }
.presence__avatar { width: 26px; height: 26px; margin-left: -6px; border: 2px solid var(--panel); box-shadow: 0 0 0 1.5px var(--accent); font-size: 10px; }
.comment-pin { position: absolute; display: flex; align-items: center; gap: 3px; padding: 3px; border: 2px solid var(--panel); border-radius: 16px 16px 16px 3px; background: var(--accent); box-shadow: 0 2px 8px rgb(0 0 0 / 22%); cursor: pointer; transform: translateY(-100%) scale(var(--k-inv, 1)); transform-origin: 0 100%; transition: box-shadow .12s; }
.comment-pin:hover, .comment-pin.is-open { box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent), 0 2px 8px rgb(0 0 0 / 22%); }
.comment-pin.is-resolved { background: var(--muted); opacity: .7; }
.comment-pin .avatar { border: 0; }
.comment-pin > * { pointer-events: none; -webkit-user-drag: none; } /* the pin itself receives the drag */
.comment-pin__count { min-width: 16px; padding: 0 4px 0 1px; color: #fff; font: 600 11px var(--font-ui); }
.comment-popover { position: absolute; z-index: 20; width: 320px; max-width: calc(100% - 24px); display: flex; flex-direction: column; max-height: min(520px, calc(100% - 24px)); background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-pop); cursor: default; user-select: text; }
.comment-popover__head { display: flex; align-items: center; gap: 4px; padding: 8px 8px 8px 14px; border-bottom: 1px solid var(--line); }
.comment-popover__head strong { flex: 1; font-size: 13px; }
.comment-list { list-style: none; margin: 0; padding: 6px 0; overflow: auto; flex: 1; min-height: 0; }
.comment { display: flex; gap: 10px; padding: 8px 14px; }
.comment__main { flex: 1; min-width: 0; display: grid; gap: 2px; }
.comment__meta { display: flex; align-items: baseline; gap: 6px; font-size: 12px; color: var(--muted); }
.comment__meta strong { color: var(--ink); font-size: 12.5px; }
.comment__actions { margin-left: auto; display: flex; gap: 2px; opacity: 0; transition: opacity .12s; }
.comment:hover .comment__actions, .comment__actions:focus-within { opacity: 1; }
.comment__actions button { display: inline-grid; place-items: center; width: 22px; height: 22px; padding: 0; border: 0; border-radius: 5px; background: none; color: var(--muted); cursor: pointer; }
.comment__actions button:hover { background: var(--bg-sunken); color: var(--ink); }
.comment__body { font-size: 13.5px; line-height: 1.45; color: var(--ink-2); white-space: pre-wrap; overflow-wrap: anywhere; }
.comment-edit { font-size: 13.5px; resize: vertical; }
.comment-composer { position: relative; display: grid; gap: 6px; padding: 10px 12px 12px; border-top: 1px solid var(--line); }
.mention { padding: 0 2px; border-radius: 4px; background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.mention-menu { position: absolute; left: 12px; right: 12px; bottom: calc(100% - 6px); z-index: 2; max-height: 240px; overflow: auto; margin: 0; padding: 4px; list-style: none; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm); box-shadow: var(--shadow-pop); }
.mention-menu__item { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 6px; font-size: 13px; cursor: pointer; }
.mention-menu__item.is-active, .mention-menu__item:hover { background: var(--accent-soft); }
.mention-menu__item small { margin-left: auto; }
.mention-menu__empty { padding: 6px 8px; font-size: 12.5px; }
.comment-composer textarea { resize: none; font-size: 13.5px; }
.comment-composer__foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.comment-composer__foot .small { font-size: 11px; }

.db-table { position: absolute; background: var(--panel); border: 1px solid var(--line-strong); border-radius: 11px; box-shadow: var(--table-shadow); --tc: var(--accent); transition: box-shadow .15s, border-color .15s; }
.db-table.is-selected { border-color: var(--tc); box-shadow: 0 0 0 3px color-mix(in srgb, var(--tc) 30%, transparent), var(--table-shadow); z-index: 2; }
.db-table.is-related { border-color: color-mix(in srgb, var(--tc) 60%, var(--line-strong)); }
.db-table.is-dragging { box-shadow: var(--shadow-pop); z-index: 3; cursor: grabbing; }
.db-table.is-flash { animation: flash 1.2s ease-out; }
@keyframes flash { 0% { box-shadow: 0 0 0 10px color-mix(in srgb, var(--tc) 45%, transparent); } 100% { box-shadow: 0 0 0 0 transparent, var(--table-shadow); } }
.db-table__head { height: 40px; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 0 12px; border-radius: 10px 10px 0 0; background: var(--tc); color: var(--tc-ink, #fff); cursor: grab; border-bottom: 1px solid rgb(0 0 0 / 8%); }
.db-table__name { font: 600 13.5px var(--font-mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.db-table__schema { opacity: .75; font-weight: 400; }
.db-table__count { font: 500 11px var(--font-mono); background: rgb(255 255 255 / 22%); border-radius: 5px; padding: 1px 6px; }
.db-table__body { padding: 0 0 6px; }
.db-field { position: relative; height: 28px; display: flex; align-items: center; gap: 6px; padding: 0 12px 0 8px; font: 12.5px var(--font-mono); cursor: pointer; }
.db-field + .db-field { box-shadow: inset 0 1px 0 color-mix(in srgb, var(--line) 70%, transparent); }
.db-field:hover { background: var(--panel-2); }
.db-field__key { width: 14px; display: inline-flex; color: var(--muted); }
.db-field.is-pk .db-field__key { color: #d99a00; }
/* The grip takes the key slot while hovering a row. */
.db-field__grip { position: absolute; left: 8px; top: 0; bottom: 0; width: 14px; display: none; align-items: center; justify-content: center; color: var(--muted); fill: currentColor; cursor: grab; }
.db-field:hover .db-field__grip { display: flex; }
.db-field:hover .db-field__key { visibility: hidden; }
.db-field__grip:hover { color: var(--ink); }
.db-table__body .db-field { transition: transform .12s; }
.db-field.is-reordering { z-index: 3; transition: none; background: var(--panel); box-shadow: 0 4px 14px rgb(0 0 0 / 18%); cursor: grabbing; }
.db-field.is-reordering .db-field__grip { display: flex; cursor: grabbing; }
.db-field.is-fk .db-field__key { color: var(--accent); }
.db-field__name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink); }
.db-field.is-pk .db-field__name { font-weight: 600; }
.inline-edit { flex: 1; min-width: 0; height: 22px; margin: 0 -4px; padding: 0 4px; border: 1px solid var(--accent); border-radius: 4px; outline: none; background: var(--panel); color: var(--ink); font: inherit; cursor: text; }
/* Row typing a new field: input across the whole width, with room above and below. */
.db-field.is-new { height: auto; padding: 8px 10px; }
.db-field.is-new .inline-edit { width: 100%; height: 26px; margin: 0; padding: 0 8px; }
.db-table__head .inline-edit { font: 600 13.5px var(--font-mono); }
.db-field__type { font-size: 10.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 55%; }
.db-field__null { color: var(--warning); margin-left: 1px; }
.db-field.is-linked { background: color-mix(in srgb, var(--accent) 10%, transparent); }
.db-field.is-highlight { background: color-mix(in srgb, var(--accent) 18%, transparent); }
.db-field.is-highlight::before { content: ''; position: absolute; left: 0; top: 4px; bottom: 4px; width: 3px; border-radius: 2px; background: var(--accent); }
.db-field.is-drop { background: var(--accent-soft); outline: 2px dashed var(--accent); outline-offset: -2px; }
.editor:not(.editor--readonly) :is(.db-field__name, .db-field__type) { cursor: text; }
.field-editor { position: absolute; z-index: 20; width: 230px; display: grid; gap: 8px; padding: 10px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-pop); cursor: default; }
.field-editor__name { font-size: 12px; font-weight: 600; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.field-editor .chips { flex-wrap: nowrap; }
.field-editor .chip { flex: 1; justify-content: center; }
.field-editor__label { display: grid; gap: 3px; font-size: 11.5px; color: var(--muted); }
.field-editor__delete { justify-self: start; margin: 2px 0 -2px -6px; }
.handle { position: absolute; top: 50%; width: 10px; height: 10px; margin-top: -5px; border-radius: 50%; background: var(--panel); border: 2px solid var(--accent); opacity: 0; cursor: crosshair; transition: opacity .12s, transform .12s; z-index: 2; }
.handle--left { left: -6px; }
.handle--right { right: -6px; }
.db-table:hover .handle { opacity: .55; }
/* Transparent padding keeps the hover alive between the table and the round button. */
.db-table__add { position: absolute; top: 100%; left: 50%; display: none; padding: 6px 10px 0; border: 0; background: none; cursor: pointer; transform: translateX(-50%); }
.db-table__add span { display: grid; place-items: center; width: 22px; height: 22px; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--panel); color: var(--muted); box-shadow: 0 1px 3px rgb(0 0 0 / 12%); }
.db-table__add:hover span { border-color: var(--tc); background: var(--tc); color: var(--tc-ink, #fff); }
.db-table:hover .db-table__add, .db-table.is-field-dragging .db-table__add { display: block; }
/* While a field is dragged, the "+" is a trash: dropping the field on it deletes it. */
.db-table.is-field-dragging .db-table__add span { width: 30px; height: 30px; border-color: var(--danger); background: var(--danger-soft); color: var(--danger); transition: transform .12s, background .12s; }
.db-table.is-field-dragging .db-table__add.is-over span { background: var(--danger); color: #fff; transform: scale(1.15); }
.db-field.is-reordering.is-trashing { opacity: .45; }
.db-field:hover .handle, .canvas.is-connecting .handle { opacity: 1; }
.handle::after { content: ''; position: absolute; inset: -7px; border-radius: 50%; }
.handle:hover { transform: scale(1.35); background: var(--accent); }

/* Inspector ------------------------------------------------------------------ */
.editor__inspector { width: 340px; background: var(--panel); border-left: 1px solid var(--line); overflow: auto; }
.inspector__head { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; gap: 10px; padding: 12px 10px 12px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
.inspector__title { display: grid; flex: 1; min-width: 0; }
.inspector__title strong { font-family: var(--font-display); font-size: 16px; }
.inspector__section { padding: 14px 16px; display: grid; gap: 10px; border-bottom: 1px solid var(--line); }
.inspector__subhead { display: flex; justify-content: space-between; align-items: center; font-weight: 600; font-size: 13px; }
.inspector__buttons { display: flex; flex-wrap: wrap; gap: 6px; }
.input--autogrow { resize: none; overflow: hidden; min-height: 0; }
.inspector__danger { border-bottom: 0; }
.inspector__hint { margin: -8px 0 0; padding: 0 16px 16px; }
.colors { display: flex; flex-wrap: wrap; gap: 6px; }
.color { width: 22px; height: 22px; border-radius: 6px; border: 2px solid transparent; cursor: pointer; padding: 0; }
.color.is-active { border-color: var(--ink); box-shadow: 0 0 0 2px var(--panel) inset; }

.merise-card { display: grid; grid-template-columns: 1fr auto auto auto 1fr; align-items: center; gap: 6px; }
.merise-card__entity { display: grid; padding: 8px; border-radius: 8px; border: 1.5px solid var(--tc); background: color-mix(in srgb, var(--tc) 8%, var(--panel)); font: 600 12px var(--font-mono); text-align: center; overflow: hidden; text-overflow: ellipsis; }
.merise-card__entity small { font-weight: 400; color: var(--muted); }
.merise-card__card { font: 700 12px var(--font-mono); color: var(--accent); }
.merise-card__assoc { max-width: 90px; padding: 5px 8px; border: 1.5px solid var(--line-strong); border-radius: 50%; font: 10px var(--font-mono); color: var(--muted); text-align: center; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.merise-sentences { margin: 0; padding-left: 18px; font-size: 12.5px; color: var(--ink-2); display: grid; gap: 3px; }

/* Accounts & sharing ------------------------------------------------------------ */
.avatar { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; object-fit: cover; flex: none; background: var(--accent-soft); color: var(--accent); font: 600 11px var(--font-ui); }
.usermenu { position: relative; }
.usermenu summary { list-style: none; cursor: pointer; display: flex; padding: 3px; border-radius: 50%; }
.usermenu summary::-webkit-details-marker { display: none; }
.usermenu summary:hover { background: var(--bg-sunken); }
.usermenu__panel { position: absolute; right: 0; top: calc(100% + 8px); z-index: 40; min-width: 240px; padding: 12px; display: grid; gap: 10px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-pop); }
.usermenu__who { display: grid; }
.usermenu__panel .btn { width: 100%; justify-content: flex-start; }

/* Dotted background, like the diagram canvas (login page and dashboard). */
.page--login, .page--dotted { min-height: 100vh; background: var(--bg) radial-gradient(var(--canvas-dot) 1.1px, transparent 1.1px) 0 0 / 22px 22px; }
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.login__card { width: min(460px, 100%); display: grid; gap: 18px; padding: 36px 32px; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-pop); }
.login__card h1 { font-size: 30px; }
.login__card .lead { margin: 0; font-size: 15px; }
.login__card .flash { margin: 0; box-shadow: none; }
.btn--google { width: 100%; gap: 10px; background: var(--panel); border-color: var(--line-strong); }

.btn__count { font: 600 11px var(--font-mono); background: rgb(255 255 255 / 25%); border-radius: 5px; padding: 1px 6px; }
.btn__count:empty { display: none; }
.owner-chip { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 10px 0 5px; border: 1px solid var(--line); border-radius: 99px; font-size: 12.5px; color: var(--ink-2); white-space: nowrap; }
.owner-chip .avatar { width: 22px; height: 22px; font-size: 9px; }
.dcard__people { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--ink-2); }
.dcard__people .avatar { width: 20px; height: 20px; font-size: 9px; }
.tag--accent { background: var(--accent-soft); color: var(--accent); }

.share__form { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; }
.share__form .share__role { height: 36px; }
.share__list { list-style: none; margin: 0; padding: 0; display: grid; border: 1px solid var(--line); border-radius: var(--radius); }
.share__list li { display: flex; align-items: center; gap: 10px; padding: 10px 12px; }
.share__list li + li { border-top: 1px solid var(--line); }
.share__person { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.share__who { display: grid; min-width: 0; }
.share__who > * { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.share__role { width: auto; }

/* Responsive ------------------------------------------------------------------ */
@media (max-width: 1100px) {
    .editor__inspector { position: absolute; right: 0; top: 0; bottom: 0; z-index: 10; box-shadow: var(--shadow-pop); }
    .editor__body { grid-template-columns: 220px 1fr; }
    .sidebar-toggle { --sidebar-w: 220px; }
    .canvas-hint { display: none; }
}
@media (max-width: 860px) {
    .radios { grid-template-columns: 1fr; }
    .topbar { gap: 12px; padding: 0 16px; }
    .topbar__nav a { padding: 6px; }
    .topbar__end .btn--primary { display: none; }
    .container { padding: 24px 16px 60px; }
    .editor__body { grid-template-columns: 1fr; }
    .editor__sidebar, .sidebar-toggle { display: none; }
    .editor__bar { gap: 8px; overflow-x: auto; }
    .editor__title select, .save-status { display: none; }
    .editor__inspector { width: min(340px, 100%); }
    .grid2, .share__form { grid-template-columns: 1fr; }
    .owner-chip span { display: none; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}