:root {
  --bg: #f4f6f4;
  --surface: #ffffff;
  --surface-2: #f0f0ec;
  --text: #1b1c1e;
  --muted: #5e6268;
  --border: #e2e2dc;
  --accent: #0e7c66;
  --accent-soft: #e2f3ee;
  --ok: #1d8049;
  --ok-soft: #e4f4ea;
  --bad: #c42b2b;
  --bad-soft: #fcebea;
  --warn: #a35f00;
  --warn-soft: #fff3df;
  --violet: #7048c8;
  --violet-soft: #f1ecfb;
  --code-bg: #f2f2ee;
  --code-comment: #6f7a6b;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.04);
  --radius: 12px;
  --sidebar-w: 300px;
  --top-h: 56px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111214; --surface: #18191c; --surface-2: #202125; --text: #e7e7ea; --muted: #9a9ea6;
    --border: #2a2c31; --accent: #4cc9a8; --accent-soft: #12302a; --ok: #4fc58b; --ok-soft: #13281d;
    --bad: #ff7676; --bad-soft: #341a1a; --warn: #f1b45b; --warn-soft: #30250f; --violet: #b49bff;
    --violet-soft: #251d3b; --code-bg: #1f2024; --code-comment: #8a9585; --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111214; --surface: #18191c; --surface-2: #202125; --text: #e7e7ea; --muted: #9a9ea6;
  --border: #2a2c31; --accent: #4cc9a8; --accent-soft: #12302a; --ok: #4fc58b; --ok-soft: #13281d;
  --bad: #ff7676; --bad-soft: #341a1a; --warn: #f1b45b; --warn-soft: #30250f; --violet: #b49bff;
  --violet-soft: #251d3b; --code-bg: #1f2024; --code-comment: #8a9585; --shadow: none; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; overflow-x: hidden; background: var(--bg); color: var(--text);
  font: 16px/1.65 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, kbd, .mono { font-family: "JetBrains Mono", ui-monospace, Menlo, monospace; font-variant-ligatures: none; font-feature-settings: "liga" 0, "calt" 0; }
h1, h2, h3, h4 { line-height: 1.25; margin: 1.8em 0 .6em; letter-spacing: -.01em; }
h1 { font-size: 2rem; margin-top: .2em; }
h2 { font-size: 1.45rem; padding-top: .4em; border-top: 1px solid var(--border); }
h3 { font-size: 1.15rem; }
p { margin: .7em 0; }
ul, ol { padding-left: 1.4em; }
li { margin: .25em 0; }
hr { border: 0; border-top: 1px solid var(--border); margin: 2em 0; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 30; height: var(--top-h);
  display: flex; align-items: center; gap: 10px; padding: 0 16px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand-mark { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--accent); color: #fff; font-size: 15px; }
.brand-sub { font-weight: 400; color: var(--muted); font-size: .9rem; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.top-link { color: var(--text); padding: 6px 10px; border-radius: 8px; font-weight: 500; font-size: .95rem; }
.top-link:hover { background: var(--surface-2); text-decoration: none; }
.icon-btn { background: none; border: 0; color: var(--text); padding: 7px; border-radius: 8px; cursor: pointer; display: grid; place-items: center; }
.icon-btn:hover { background: var(--surface-2); }
#menuBtn { display: none; }

/* Layout */
.layout { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
#sidebar {
  position: sticky; top: var(--top-h); height: calc(100vh - var(--top-h)); overflow-y: auto;
  border-right: 1px solid var(--border); padding: 16px 12px 40px; background: var(--surface);
}
#main { padding: 32px 48px 120px; max-width: 900px; width: 100%; min-width: 0; }
.scrim { display: none; }

/* Sidebar */
.side-top a { display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 8px; color: var(--text); font-weight: 500; font-size: .93rem; }
.side-top a:hover, .side-lesson:hover { background: var(--surface-2); text-decoration: none; }
.side-top a.active, .side-lesson.active { background: var(--accent-soft); color: var(--accent); }
.side-module { margin-top: 18px; }
.side-module-title { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; padding: 0 10px 4px; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.side-module-title a { color: var(--muted); font-weight: 600; text-transform: none; letter-spacing: 0; }
.side-lesson { display: flex; gap: 9px; align-items: flex-start; padding: 6px 10px; border-radius: 8px; color: var(--text); font-size: .9rem; line-height: 1.4; }
.dot { flex: none; width: 14px; height: 14px; margin-top: 3px; border-radius: 50%; border: 2px solid var(--border); }
.dot.read { border-color: var(--accent); background: linear-gradient(90deg, var(--accent) 50%, transparent 50%); }
.dot.done { border-color: var(--ok); background: var(--ok); }
.dot.weak { border-color: var(--warn); background: var(--warn); }

/* Pills */
.pill { display: inline-block; font-size: .72rem; font-weight: 700; padding: 1px 7px; border-radius: 99px; letter-spacing: .02em; vertical-align: middle; }
.pill.baza { background: var(--surface-2); color: var(--text); }
.pill.nocode { background: var(--warn-soft); color: var(--warn); }
.pill.ai { background: var(--violet-soft); color: var(--violet); }
.pill.cod { background: var(--accent-soft); color: var(--accent); }
.pill.ACA { background: var(--accent-soft); color: var(--accent); }
.pill.cat { background: var(--surface-2); color: var(--muted); font-weight: 600; }
.pill.opt { background: var(--surface-2); color: var(--muted); }

/* Home */
.hero { padding: 8px 0 8px; }
.hero h1 { font-size: 2.3rem; margin-bottom: .3em; }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 680px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.stat b { display: block; font-size: 1.6rem; line-height: 1.2; }
.stat span { color: var(--muted); font-size: .88rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; margin: 16px 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); color: var(--text); display: flex; flex-direction: column; gap: 6px; }
a.card:hover { border-color: var(--accent); text-decoration: none; }
.card h3 { margin: 0; font-size: 1.02rem; }
.card p { margin: 0; color: var(--muted); font-size: .9rem; }
.bar { height: 6px; border-radius: 99px; background: var(--surface-2); overflow: hidden; margin-top: auto; }
.bar > i { display: block; height: 100%; background: var(--ok); border-radius: 99px; }
.btn { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font: inherit; font-weight: 600; font-size: .95rem; padding: 9px 16px; border-radius: 10px; cursor: pointer; }
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0; }

/* Lesson */
.crumbs { font-size: .88rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.meta { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--muted); font-size: .9rem; margin: 6px 0 20px; }
.summary-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px; margin: 18px 0; }
.summary-box h4 { margin: 0 0 6px; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.summary-box ul { margin: 0; }
.lesson-body { overflow-wrap: break-word; }
.lesson-body img, .lesson-body svg { max-width: 100%; height: auto; }

.box { border-radius: var(--radius); padding: 12px 16px; margin: 16px 0; border: 1px solid transparent; }
.box > :first-child { margin-top: 0; }
.box > :last-child { margin-bottom: 0; }
.box-title { font-weight: 700; display: block; margin-bottom: 4px; font-size: .92rem; }
.box.key { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 25%, transparent); }
.box.key .box-title { color: var(--accent); }
.box.analogy { background: var(--ok-soft); border-color: color-mix(in srgb, var(--ok) 25%, transparent); }
.box.analogy .box-title { color: var(--ok); }
.box.trap { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.box.trap .box-title { color: var(--warn); }
.box.book { background: var(--surface); border: 1px dashed var(--border); }
.box.book .box-title { color: var(--muted); }
.box.isa { background: var(--violet-soft); border-color: color-mix(in srgb, var(--violet) 25%, transparent); }
.box.isa .box-title { color: var(--violet); }

.formula { font-family: "JetBrains Mono", ui-monospace, monospace; font-variant-ligatures: none; background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: 8px; padding: 10px 14px; margin: 14px 0; overflow-x: auto; font-size: .95rem; }
.formula small { display: block; font-family: Inter, system-ui, sans-serif; color: var(--muted); margin-top: 4px; }

:not(pre) > code { background: var(--code-bg); padding: 1px 5px; border-radius: 5px; font-size: .88em; }
pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; overflow-x: auto; font-size: .86rem; line-height: 1.55; margin: 14px 0; }
pre .cm { color: var(--code-comment); font-style: italic; }
pre .pp { color: var(--violet); }
pre .lbl { color: var(--accent); font-weight: 600; }
.code-label { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 14px 0 -8px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cols > div { min-width: 0; }

.table-wrap { overflow-x: auto; margin: 14px 0; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; background: var(--surface); border-radius: 10px; overflow: hidden; }
th, td { border: 1px solid var(--border); padding: 7px 10px; text-align: left; vertical-align: top; }
th { background: var(--surface-2); font-weight: 600; }
td.c, th.c { text-align: center; }
.mono-table td { font-family: "JetBrains Mono", monospace; font-size: .85rem; }

figure { margin: 20px 0; }
figure svg { display: block; margin: 0 auto; }
figcaption { text-align: center; color: var(--muted); font-size: .86rem; margin-top: 6px; }
.svg-text { fill: var(--text); font-family: Inter, sans-serif; }
.svg-muted { fill: var(--muted); font-family: Inter, sans-serif; }
.svg-box { fill: var(--surface); stroke: var(--text); stroke-width: 1.5; }
.svg-accent { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 1.5; }
.svg-ok { fill: var(--ok-soft); stroke: var(--ok); stroke-width: 1.5; }
.svg-warn { fill: var(--warn-soft); stroke: var(--warn); stroke-width: 1.5; }
.svg-violet { fill: var(--violet-soft); stroke: var(--violet); stroke-width: 1.5; }
.svg-line { stroke: var(--muted); stroke-width: 1.5; fill: none; }

/* Pipeline tables */
.pipe td { text-align: center; font-family: "JetBrains Mono", monospace; font-size: .8rem; padding: 5px 6px; min-width: 38px; }
.pipe td:first-child { text-align: left; white-space: nowrap; }
.st-IF { background: #dbe6ff; color: #1b3a99; }
.st-ID { background: #dff3e6; color: #17603a; }
.st-EX { background: #fff0d4; color: #8a5200; }
.st-MEM { background: #f0e6ff; color: #5a2fa3; }
.st-WB { background: #ffe3e3; color: #9b1f1f; }
.st-stall { background: repeating-linear-gradient(45deg, var(--surface-2), var(--surface-2) 4px, var(--surface) 4px, var(--surface) 8px); color: var(--muted); }
:root[data-theme="dark"] .st-IF, :root[data-theme="dark"] .st-ID, :root[data-theme="dark"] .st-EX, :root[data-theme="dark"] .st-MEM, :root[data-theme="dark"] .st-WB { filter: brightness(.82) saturate(1.2); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .st-IF, :root:not([data-theme="light"]) .st-ID, :root:not([data-theme="light"]) .st-EX, :root:not([data-theme="light"]) .st-MEM, :root:not([data-theme="light"]) .st-WB { filter: brightness(.82) saturate(1.2); } }

/* Problems */
.problem { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px; margin: 14px 0; }
.problem-n { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.problem details { margin-top: 10px; }
.problem summary { cursor: pointer; font-weight: 600; color: var(--accent); }
.problem .solution { border-top: 1px dashed var(--border); margin-top: 10px; padding-top: 6px; }

/* Quiz */
.quiz-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px; }
.q { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; margin: 14px 0; box-shadow: var(--shadow); }
.q-n { font-size: .78rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.q-text { margin: 4px 0 12px; font-weight: 500; }
.q-text p:first-child { margin-top: 0; }
.opts { display: grid; gap: 8px; }
.opt { display: flex; gap: 10px; align-items: flex-start; text-align: left; width: 100%; font: inherit; color: var(--text); background: var(--bg); border: 1.5px solid var(--border); border-radius: 10px; padding: 9px 12px; cursor: pointer; line-height: 1.45; }
.opt:hover:not(:disabled) { border-color: var(--accent); }
.opt:disabled { cursor: default; }
.opt .letter { flex: none; width: 24px; height: 24px; border-radius: 6px; display: grid; place-items: center; font-weight: 700; font-size: .8rem; background: var(--surface-2); color: var(--muted); }
.opt.selected { border-color: var(--accent); background: var(--accent-soft); }
.opt.correct { border-color: var(--ok); background: var(--ok-soft); }
.opt.correct .letter { background: var(--ok); color: #fff; }
.opt.wrong { border-color: var(--bad); background: var(--bad-soft); }
.opt.wrong .letter { background: var(--bad); color: #fff; }
.explain { margin-top: 12px; padding: 10px 14px; border-radius: 10px; background: var(--surface-2); font-size: .94rem; }
.explain b.ok { color: var(--ok); }
.explain b.bad { color: var(--bad); }
.result { background: var(--surface); border: 2px solid var(--accent); border-radius: var(--radius); padding: 18px 20px; margin: 20px 0; }
.result .big { font-size: 2rem; font-weight: 700; }
.goto { font-size: .85rem; margin-top: 8px; }

/* Widgets */
.widget { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; margin: 20px 0; box-shadow: var(--shadow); }
.widget-title { font-weight: 700; display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.widget-title::before { content: "▶"; font-size: .7rem; color: var(--accent); }
.w-row { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: flex-end; margin: 8px 0; }
.w-row label { display: flex; flex-direction: column; gap: 3px; font-size: .82rem; color: var(--muted); font-weight: 500; }
.w-row input, .w-row select, .widget textarea { font: inherit; font-size: .92rem; color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; min-width: 0; }
.w-row input[type=number] { width: 110px; }
.w-row input[type=range] { padding: 0; }
.widget textarea { width: 100%; font-family: "JetBrains Mono", monospace; font-variant-ligatures: none; font-size: .85rem; min-height: 90px; }
.w-out { margin-top: 10px; overflow-x: auto; }
.w-out .big { font-size: 1.35rem; font-weight: 700; }
.bits { display: flex; flex-wrap: wrap; gap: 2px; font-family: "JetBrains Mono", monospace; }
.bits span { display: inline-grid; place-items: center; min-width: 22px; height: 28px; border-radius: 4px; font-size: .85rem; background: var(--surface-2); }
.bits span.s { background: var(--bad-soft); color: var(--bad); }
.bits span.e { background: var(--ok-soft); color: var(--ok); }
.bits span.m { background: var(--accent-soft); color: var(--accent); }
.bits span.gap { background: none; min-width: 6px; }
.hit { color: var(--ok); font-weight: 700; }
.miss { color: var(--bad); font-weight: 700; }
.sched { display: grid; gap: 2px; }
.sched-row { display: flex; gap: 2px; align-items: center; }
.sched-row b { width: 70px; font-size: .8rem; flex: none; }
.sched-cell { width: 24px; height: 24px; border-radius: 4px; display: grid; place-items: center; font-size: .7rem; font-family: "JetBrains Mono", monospace; color: #fff; flex: none; }

/* Flux (diagramă din pași) */
.flow { display: flex; flex-wrap: wrap; align-items: stretch; gap: 8px; margin: 16px 0; }
.flow-step { flex: 1 1 120px; min-width: 0; background: var(--surface); border: 1.5px solid var(--border); border-radius: 10px; padding: 8px 10px; display: flex; flex-direction: column; gap: 2px; }
.flow-step b { font-size: .9rem; }
.flow-step small { color: var(--muted); font-size: .78rem; line-height: 1.35; }
.flow-step.trigger { border-color: var(--warn); background: var(--warn-soft); }
.flow-step.ai { border-color: var(--violet); background: var(--violet-soft); }
.flow-step.logic { border-style: dashed; }
.flow-step.action { border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); }
.flow-step.lit { box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 40%, transparent); }
.flow-step.err { border-color: var(--bad); background: var(--bad-soft); }
button.flow-step { font: inherit; color: var(--text); text-align: left; cursor: pointer; }
button.flow-step.sel { outline: 2px solid var(--accent); outline-offset: 2px; }
.flow-arrow { align-self: center; color: var(--muted); font-weight: 700; }
@media (max-width: 640px) { .flow { flex-direction: column; } .flow-arrow { transform: rotate(90deg); align-self: flex-start; margin-left: 14px; } }

/* Cod numerotat + tabel linie cu linie */
pre.numbered .ln { display: inline-block; width: 2.2em; margin-right: 10px; text-align: right; color: var(--muted); opacity: .6; user-select: none; }
.lines-table td:first-child { white-space: nowrap; width: 1%; }
pre .str { color: var(--ok); }

/* Glosar */
.gl-search { width: 100%; font: inherit; font-size: 1rem; color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; }
.gl-cats { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0; }
.gl-cats button { font: inherit; font-size: .82rem; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 99px; padding: 3px 10px; cursor: pointer; }
.gl-cats button.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.gl-list { display: grid; gap: 8px; margin-top: 12px; }
.gl-item { border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; background: var(--bg); }
.gl-item h4 { margin: 0; font-size: 1rem; display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: baseline; }
.gl-item h4 small { font-weight: 500; color: var(--muted); font-size: .85rem; }
.gl-item p { margin: 4px 0 0; font-size: .93rem; }
.gl-item .goto { margin-top: 4px; }

/* Pas cu pas */
.stepper-nav { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 10px 0; }
.stepper-text { background: var(--surface-2); border-radius: 10px; padding: 10px 14px; margin: 10px 0; }
.stepper-text p:first-child { margin-top: 0; } .stepper-text p:last-child { margin-bottom: 0; }
pre .new { background: color-mix(in srgb, var(--ok) 18%, transparent); display: inline-block; width: 100%; }
.score-bar { height: 8px; border-radius: 99px; background: var(--surface-2); overflow: hidden; width: 120px; display: inline-block; vertical-align: middle; }
.score-bar > i { display: block; height: 100%; background: var(--accent); }
.status-grid { display: flex; flex-wrap: wrap; gap: 6px; }
.status-grid button { font: inherit; font-family: "JetBrains Mono", monospace; font-size: .85rem; border: 1.5px solid var(--border); background: var(--bg); color: var(--text); border-radius: 8px; padding: 4px 9px; cursor: pointer; }
.status-grid button.s2 { border-color: var(--ok); }
.status-grid button.s3 { border-color: var(--accent); }
.status-grid button.s4 { border-color: var(--warn); }
.status-grid button.s5 { border-color: var(--bad); }
.status-grid button.sel { background: var(--accent-soft); outline: 2px solid var(--accent); }

.foot-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); }
.foot-nav a { display: flex; flex-direction: column; padding: 10px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); max-width: 48%; color: var(--text); }
.foot-nav a:hover { border-color: var(--accent); text-decoration: none; }
.foot-nav small { color: var(--muted); }
.foot-nav .next { margin-left: auto; text-align: right; }

.muted { color: var(--muted); }
.small { font-size: .88rem; }
.center { text-align: center; }

/* Contul (vezi js/sync.js) */
.account { display: inline-flex; align-items: center; gap: 6px; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account.signed-in::before { content: ""; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.account[data-sync="saving"]::before { background: var(--warn); }
.account[data-sync="error"]::before { background: var(--bad); }
.show-sm { display: none; }
.side-top .side-account { display: none; }
.moved { position: fixed; z-index: 40; left: 16px; right: 16px; bottom: 16px; max-width: 720px; margin: 0 auto; display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; padding: 14px 16px; background: var(--surface); border: 1px solid var(--accent); border-radius: var(--radius); box-shadow: 0 8px 30px rgba(0,0,0,.18); font-size: .95rem; }
.moved span { flex: 1 1 260px; }

/* Responsive */
@media (max-width: 960px) {
  #menuBtn { display: grid; }
  .layout { grid-template-columns: minmax(0, 1fr); }
  #sidebar { position: fixed; left: 0; top: var(--top-h); bottom: 0; height: auto; width: min(320px, 86vw); z-index: 25; transform: translateX(-100%); transition: transform .2s ease; }
  body.nav-open #sidebar { transform: none; }
  body.nav-open .scrim { display: block; position: fixed; inset: var(--top-h) 0 0 0; background: rgba(0,0,0,.35); z-index: 20; }
  #main { padding: 24px 16px 100px; }
  .brand-sub { display: none; }
}
@media (max-width: 640px) {
  h1 { font-size: 1.6rem; }
  .hero h1 { font-size: 1.8rem; }
  .cols { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .top-link { padding: 6px 7px; font-size: .88rem; white-space: nowrap; }
  .hide-sm { display: none; }
  .show-sm { display: inline; }
  .topbar .account { display: none; }
  .side-top .side-account { display: flex; font-weight: 600; }
  .topbar { gap: 6px; padding: 0 10px; }
  .foot-nav a { max-width: 100%; }
  .foot-nav { flex-direction: column; }
}
@media (max-width: 440px) {
  .brand-text { display: none; }
}