/* CyberPatriot Field Guide — main stylesheet */

:root {
  --bg: #020617;
  --bg-elev: #0f172a;
  --bg-elev-2: #1a2438;
  --border: #253145;
  --text: #f8fafc;
  --text-dim: #94a3b8;
  --text-faint: #64748b;
  --accent: #22c55e;
  --accent-2: #4ea1ff;
  --accent-warn: #ffb454;
  --accent-bad: #ff6b6b;
  --ok-bg: #0f2b23;
  --ok-border: #1f5c47;
  --ok-text: #6be3bd;
  --warn-bg: #2b220f;
  --warn-border: #6a4f1a;
  --warn-text: #ffc773;
  --tip-bg: #10202f;
  --tip-border: #1f4a68;
  --tip-text: #7fc4ff;
  --code-bg: #05070d;
  --radius: 8px;
  --mono: "Fira Code", "JetBrains Mono", "Cascadia Code", ui-monospace, SFMono-Regular, Consolas, monospace;
  --sans: "Fira Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --header-h: 60px;
}

[data-theme="light"] {
  --bg: #f4f7fb;
  --bg-elev: #ffffff;
  --bg-elev-2: #eef2f8;
  --border: #d7e0ec;
  --text: #131c28;
  --text-dim: #4c5c70;
  --text-faint: #8695a8;
  --ok-bg: #e7faf3;
  --ok-border: #a7e8cf;
  --ok-text: #0d7a54;
  --warn-bg: #fff6e6;
  --warn-border: #f3d391;
  --warn-text: #8a5a05;
  --tip-bg: #eaf5ff;
  --tip-border: #b7ddfd;
  --tip-text: #0d5c96;
  --code-bg: #0f1520;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 14px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  font-size: 15.5px;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
::selection { background: var(--accent); color: #04140f; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center; gap: 18px;
  padding: 0 18px;
  background: rgba(11,15,20,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .site-header { background: rgba(244,247,251,0.9); }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 17px; white-space: nowrap; color: var(--text); }
.brand .dot { color: var(--accent); flex-shrink: 0; }
.brand small { display:block; font-weight: 500; font-size: 10.5px; color: var(--text-faint); letter-spacing: .04em; }

.main-nav { display: flex; align-items: center; gap: 2px; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.main-nav::-webkit-scrollbar { display: none; }
.main-nav a, .nav-drop > button {
  font-size: 13.5px; font-weight: 600; color: var(--text-dim);
  padding: 8px 10px; border-radius: 6px; white-space: nowrap;
  background: none; border: none; cursor: pointer; font-family: var(--sans);
}
.main-nav a:hover, .nav-drop > button:hover { color: var(--text); background: var(--bg-elev); text-decoration: none; }
.main-nav a.active { color: var(--accent); }

.nav-drop { position: relative; }
.nav-drop > button { display: flex; align-items: center; gap: 5px; cursor: pointer; }
.nav-drop > button .chev { transition: transform 150ms ease; flex-shrink: 0; }
.nav-drop.open > button .chev { transform: rotate(180deg); }
.nav-drop .drop-menu {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 230px; z-index: 30;
  background: var(--bg-elev-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 6px; display: none; flex-direction: column; box-shadow: 0 12px 28px rgba(0,0,0,.35);
  opacity: 0; transform: translateY(-4px); transition: opacity 150ms ease, transform 150ms ease;
}
.nav-drop.open .drop-menu { display: flex; }
.nav-drop.open .drop-menu.showing { opacity: 1; transform: translateY(0); }
.nav-drop .drop-menu a { padding: 8px 10px; border-radius: 6px; color: var(--text); font-weight: 500; cursor: pointer; display: flex; align-items: center; gap: 8px; }
.nav-drop .drop-menu a:hover, .nav-drop .drop-menu a:focus-visible { background: var(--bg-elev); text-decoration: none; }
.nav-drop .drop-menu a:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.nav-drop .drop-menu .grp-label { font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-faint); padding: 8px 10px 2px; }
.nav-drop > button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.spacer { flex: 1; }

.search-wrap { position: relative; width: 230px; }
#site-search {
  width: 100%; background: var(--bg-elev); border: 1px solid var(--border); color: var(--text);
  padding: 8px 10px 8px 32px; border-radius: 7px; font-size: 13px; font-family: var(--sans);
}
#site-search:focus { outline: none; border-color: var(--accent); }
.search-wrap .search-icon {
  position: absolute; left: 9px; top: 50%; transform: translateY(-50%);
  color: var(--text-faint); pointer-events: none;
}
.search-results {
  position: absolute; top: calc(100% + 6px); right: 0; width: 380px; max-height: 60vh; overflow-y: auto;
  background: var(--bg-elev-2); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: 0 16px 32px rgba(0,0,0,.4); display: none; z-index: 200;
}
.search-results.show { display: block; }
.search-results a { display: block; padding: 9px 12px; border-bottom: 1px solid var(--border); color: var(--text); }
.search-results a:hover { background: var(--bg-elev); text-decoration: none; }
.search-results .sr-page { font-size: 10.5px; color: var(--accent); text-transform: uppercase; letter-spacing: .04em; font-weight: 700; }
.search-results .sr-title { font-size: 13.5px; font-weight: 600; margin-top: 2px; }
.search-results .sr-empty { padding: 16px; color: var(--text-faint); font-size: 13px; text-align: center; }

.icon-btn {
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text-dim);
  width: 34px; height: 34px; border-radius: 7px; cursor: pointer; font-size: 15px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.icon-btn:hover { color: var(--text); border-color: var(--accent); }
.icon-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
#theme-toggle .icon-sun { display: none; }
[data-theme="light"] #theme-toggle .icon-moon { display: none; }
[data-theme="light"] #theme-toggle .icon-sun { display: block; }

/* ---------- Layout ---------- */
.page-wrap { display: flex; max-width: 1400px; margin: 0 auto; align-items: flex-start; }
.content-layout { display: flex; width: 100%; align-items: flex-start; }

.sidebar {
  position: sticky; top: var(--header-h); width: 260px; flex-shrink: 0;
  max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  padding: 22px 14px 40px 22px;
}
.sidebar h4 { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-faint); margin: 18px 0 8px; }
.sidebar h4:first-child { margin-top: 0; }
.sidebar a { display: block; font-size: 13px; color: var(--text-dim); padding: 5px 8px; border-radius: 6px; border-left: 2px solid transparent; }
.sidebar a:hover { color: var(--text); background: var(--bg-elev); text-decoration: none; }
.sidebar a.h3-link { padding-left: 20px; font-size: 12.3px; color: var(--text-faint); }
.sidebar a.active { color: var(--accent); border-left-color: var(--accent); background: var(--bg-elev); }

main.content { flex: 1; min-width: 0; padding: 30px 30px 100px; max-width: 900px; }
.content-only main.content { max-width: 980px; margin: 0 auto; }

.page-hero {
  padding: 26px 0 18px; border-bottom: 1px solid var(--border); margin-bottom: 22px;
}
.page-hero .eyebrow { color: var(--accent); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.page-hero h1 { font-size: 30px; margin: 6px 0 8px; }
.page-hero p { color: var(--text-dim); max-width: 700px; margin: 0; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 16px 0 24px; }
.toolbar button {
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text-dim);
  padding: 7px 12px; border-radius: 7px; font-size: 12.5px; font-weight: 600; cursor: pointer; font-family: var(--sans);
  display: inline-flex; align-items: center; gap: 6px;
}
.toolbar button:hover { color: var(--text); border-color: var(--accent); }
.progress-pill {
  margin-left: auto; display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-dim);
}
.progress-track { width: 130px; height: 7px; border-radius: 4px; background: var(--bg-elev-2); overflow: hidden; border: 1px solid var(--border); }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent-2), var(--accent)); width: 0%; transition: width .25s; }

/* ---------- Typography inside content ---------- */
.content h2 { font-size: 22px; margin: 0; }
.content h3 { font-size: 17px; margin: 22px 0 10px; color: var(--text); }
.content h4 { font-size: 14.5px; margin: 16px 0 6px; color: var(--text-dim); }
.content p { color: var(--text); margin: 10px 0; }
.content ul, .content ol { padding-left: 22px; margin: 10px 0; }
.content li { margin: 4px 0; }
.content li input[type="checkbox"] { margin-right: 7px; transform: translateY(1px) scale(1.05); accent-color: var(--accent); cursor: pointer; }
.content li.cb-checked > span, .content li.cb-checked { color: var(--text-faint); text-decoration: line-through; text-decoration-color: var(--border); }
.content blockquote {
  margin: 14px 0; padding: 10px 14px; border-left: 3px solid var(--tip-border);
  background: var(--tip-bg); border-radius: 0 6px 6px 0; color: var(--tip-text); font-size: 14px;
}
.content blockquote p { margin: 4px 0; color: inherit; }
.content table { border-collapse: collapse; width: 100%; margin: 14px 0; font-size: 13.6px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; margin: 14px 0; }
.table-wrap table { margin: 0; }
.content th, .content td { border-bottom: 1px solid var(--border); padding: 8px 12px; text-align: left; vertical-align: top; }
.content th { background: var(--bg-elev); color: var(--text-dim); font-size: 11.5px; text-transform: uppercase; letter-spacing: .03em; }
.content tr:last-child td { border-bottom: none; }
.content code:not(pre code) {
  background: var(--bg-elev-2); border: 1px solid var(--border); border-radius: 4px;
  padding: 1px 5px; font-family: var(--mono); font-size: 12.8px; color: var(--accent);
}
.content code.gl-term {
  cursor: pointer; text-decoration: underline; text-decoration-style: solid;
  text-decoration-color: var(--tip-text); text-underline-offset: 3px; text-decoration-thickness: 1.5px;
  background: var(--tip-bg); border-color: var(--tip-border); color: var(--tip-text);
  position: relative;
}
.content code.gl-term::after {
  content: "?"; display: inline-flex; align-items: center; justify-content: center;
  width: 12px; height: 12px; margin-left: 4px; border-radius: 50%;
  background: var(--tip-text); color: var(--bg-elev); font-size: 9px; font-weight: 800;
  font-family: var(--sans); vertical-align: middle; line-height: 1;
}
.content code.gl-term:hover, .content code.gl-term:focus-visible {
  background: var(--tip-border); outline: none;
}

/* Glossary definition popover */
#gl-popover {
  position: fixed; z-index: 60; max-width: 320px; display: none;
  background: var(--bg-elev-2); border: 1px solid var(--tip-border); border-radius: 9px;
  padding: 11px 14px; box-shadow: 0 16px 32px rgba(0,0,0,.45); font-size: 13px;
}
#gl-popover.show { display: block; }
#gl-popover .gl-term-name {
  display: block; font-family: var(--mono); font-size: 11.5px; font-weight: 700;
  color: var(--tip-text); text-transform: uppercase; letter-spacing: .03em; margin-bottom: 5px;
}
#gl-popover .gl-def { color: var(--text); line-height: 1.5; }
.content hr { border: none; border-top: 1px solid var(--border); margin: 30px 0; }
.anchor-link { opacity: 0; margin-left: 8px; font-size: 14px; color: var(--text-faint); }
h2:hover .anchor-link, h3:hover .anchor-link { opacity: 1; }

/* ---------- Sections / collapsibles ---------- */
details.section {
  border: 1px solid var(--border); border-radius: 10px; margin: 14px 0; background: var(--bg-elev);
  overflow: hidden;
}
details.section > summary {
  list-style: none; cursor: pointer; padding: 14px 18px; display: flex; align-items: center; gap: 10px;
  background: var(--bg-elev); position: relative;
}
details.section > summary::-webkit-details-marker { display: none; }
details.section > summary::before {
  content: "▸"; color: var(--accent); font-size: 13px; transition: transform .15s; flex-shrink: 0;
}
details.section[open] > summary::before { transform: rotate(90deg); }
details.section > summary h2 { flex: 1; }
.section-body { padding: 4px 18px 18px; }

details.subsection {
  border: 1px solid var(--border); border-radius: 8px; margin: 12px 0; background: var(--bg-elev-2);
}
details.subsection > summary {
  list-style: none; cursor: pointer; padding: 10px 14px; display: flex; align-items: center; gap: 8px;
}
details.subsection > summary::-webkit-details-marker { display: none; }
details.subsection > summary::before { content: "▸"; color: var(--text-faint); font-size: 11px; transition: transform .15s; }
details.subsection[open] > summary::before { transform: rotate(90deg); }
details.subsection > summary h3 { flex: 1; margin: 0; }
.subsection-body { padding: 2px 14px 14px; }
details.subsection .subsection-body > *:first-child { margin-top: 8px; }

/* ---------- Callouts ---------- */
.callout { margin: 12px 0; padding: 11px 14px; border-radius: 8px; border: 1px solid; font-size: 14px; }
.callout strong.co-label { display: flex; align-items: center; gap: 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 4px; }
.callout strong.co-label svg { flex-shrink: 0; }
.callout.ok { background: var(--ok-bg); border-color: var(--ok-border); color: var(--text); }
.callout.ok strong.co-label { color: var(--ok-text); }
.callout.warn { background: var(--warn-bg); border-color: var(--warn-border); color: var(--text); }
.callout.warn strong.co-label { color: var(--warn-text); }
.callout code { background: rgba(255,255,255,0.08); }
.callout .co-list { margin: 2px 0 0; padding-left: 19px; }
.callout .co-list li { margin: 6px 0; padding-left: 2px; }
.callout .co-list li::marker { color: var(--text-faint); }

/* ---------- Code blocks ---------- */
.code-block { margin: 14px 0; border-radius: 9px; overflow: hidden; border: 1px solid var(--border); background: var(--code-bg); }
.code-block .cb-head {
  display: flex; align-items: center; gap: 8px; padding: 7px 10px; background: var(--bg-elev-2);
  border-bottom: 1px solid var(--border);
}
.code-block .cb-lang { font-size: 10.5px; color: var(--text-faint); text-transform: uppercase; letter-spacing: .06em; font-weight: 700; font-family: var(--mono); }
.code-block .cb-actions { margin-left: auto; display: flex; gap: 6px; }
.cb-btn {
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text-dim);
  font-size: 11.5px; font-weight: 600; padding: 4px 9px; border-radius: 6px; cursor: pointer; font-family: var(--sans);
  display: inline-flex; align-items: center; gap: 5px;
}
.cb-btn:hover { color: var(--text); border-color: var(--accent); }
.cb-btn.copied { color: var(--ok-text); border-color: var(--ok-border); background: var(--ok-bg); }
.cb-btn.simplify-btn.active { color: var(--tip-text); border-color: var(--tip-border); background: var(--tip-bg); }
.code-block pre { margin: 0; padding: 13px 15px; overflow-x: auto; }
.code-block code { font-family: var(--mono); font-size: 13px; line-height: 1.55; color: #d6e2f0; background: none; border: none; padding: 0; }
.simplify-box {
  display: none; padding: 11px 15px; background: var(--tip-bg); border-top: 1px solid var(--tip-border);
  color: var(--tip-text); font-size: 13.5px;
}
.simplify-box.show { display: block; }
.simplify-box b { color: var(--text); }

/* ---------- Home page ---------- */
.hero { padding: 64px 24px 40px; text-align: center; max-width: 900px; margin: 0 auto; }
.hero .eyebrow { color: var(--accent); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; font-size: 12.5px; }
.hero h1 { font-size: 42px; margin: 10px 0 14px; letter-spacing: -.02em; }
.hero h1 span { color: var(--accent); }
.hero p { color: var(--text-dim); font-size: 16.5px; max-width: 620px; margin: 0 auto; }
.home-wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px 80px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 16px; margin: 20px 0 40px; }
.card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px; padding: 20px;
  display: flex; flex-direction: column; gap: 8px; transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); text-decoration: none; }
.card .card-icon { color: var(--accent); }
.card h3 { margin: 0; font-size: 16px; color: var(--text); }
.card p { margin: 0; font-size: 13px; color: var(--text-dim); }
.card .card-meta { margin-top: auto; font-size: 11.5px; color: var(--text-faint); font-weight: 600; }

.section-title { font-size: 13px; text-transform: uppercase; letter-spacing: .07em; color: var(--text-faint); font-weight: 700; margin: 40px 0 4px; display:flex; align-items:center; gap:10px; }
.section-title::after { content: ""; flex:1; height: 1px; background: var(--border); }

/* ---------- Practice images ---------- */
.vmlab-banner {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: var(--tip-bg); border: 1px solid var(--tip-border); border-radius: 12px;
  padding: 16px 20px; margin: 20px 0 8px;
}
.vmlab-banner .vb-icon { color: var(--accent); flex-shrink: 0; }
.vmlab-banner .vb-text { flex: 1; min-width: 220px; color: var(--tip-text); }
.vmlab-banner .vb-text strong { color: var(--text); display: block; font-size: 14.5px; margin-bottom: 2px; }
.vmlab-banner .vb-text span { font-size: 13px; }
.vmlab-banner .vb-cta {
  flex-shrink: 0; background: var(--accent); color: #04140f; font-weight: 700; font-size: 13px;
  padding: 9px 16px; border-radius: 8px; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 6px;
}
.vmlab-banner .vb-cta:hover { filter: brightness(1.08); text-decoration: none; }

.pi-toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0; }
.pi-toolbar input, .pi-toolbar select {
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text); padding: 8px 12px;
  border-radius: 7px; font-size: 13.5px; font-family: var(--sans);
}
.pi-toolbar input { flex: 1; min-width: 200px; }
.pi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 14px; margin: 16px 0 40px; }
.pi-card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; display: flex; flex-direction: column; gap: 8px; }
.pi-card .pi-badge {
  font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  padding: 3px 8px; border-radius: 5px; background: var(--tip-bg); color: var(--tip-text); border: 1px solid var(--tip-border);
}
.pi-badge.pi-diff-easy { background: var(--ok-bg); color: var(--ok-text); border-color: var(--ok-border); }
.pi-badge.pi-diff-medium { background: var(--warn-bg); color: var(--warn-text); border-color: var(--warn-border); }
.pi-badge.pi-diff-hard { background: rgba(255,107,107,0.12); color: var(--accent-bad); border-color: #6a2a2a; }
.pi-badge.pi-diff-extreme { background: rgba(255,107,107,0.22); color: var(--accent-bad); border-color: #8a2a2a; }
.pi-badge.pi-diff-unrated { background: var(--bg-elev-2); color: var(--text-faint); border-color: var(--border); }
.pi-card h3 { margin: 0; font-size: 15px; }
.pi-card p { margin: 0; font-size: 13px; color: var(--text-dim); flex: 1; }
.pi-card .pi-actions { display: flex; gap: 8px; margin-top: 4px; }
.pi-card .pi-actions a, .pi-card .pi-actions button {
  font-size: 12.5px; font-weight: 700; padding: 7px 12px; border-radius: 7px; flex: 1;
  border: 1px solid var(--border); cursor: pointer; font-family: var(--sans);
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.pi-card .pi-actions a { background: var(--accent); color: #04140f; border-color: var(--accent); }
.pi-card .pi-actions button { background: var(--bg-elev-2); color: var(--text-dim); }
.pi-empty { text-align: center; padding: 60px 20px; color: var(--text-faint); }

/* ---------- Timer widget ---------- */
#timer-widget {
  position: fixed; bottom: 18px; right: 18px; z-index: 500;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 16px 40px rgba(0,0,0,.4); font-family: var(--sans);
  width: 66px; overflow: hidden; transition: width .18s ease;
}
#timer-widget.expanded { width: 260px; }
#timer-toggle {
  width: 100%; background: none; border: none; color: var(--text); cursor: pointer;
  display: flex; align-items: center; gap: 10px; padding: 14px; font-family: var(--mono); font-weight: 700;
}
#timer-toggle .t-icon { font-size: 18px; flex-shrink: 0; }
#timer-toggle .t-mini-time { font-size: 13px; color: var(--accent); white-space: nowrap; }
#timer-panel { display: none; padding: 0 14px 16px; }
#timer-widget.expanded #timer-panel { display: block; }
#timer-display {
  font-family: var(--mono); font-size: 34px; font-weight: 700; text-align: center; margin: 4px 0 12px; letter-spacing: .02em;
  color: var(--accent);
}
#timer-widget.warn-time #timer-display { color: var(--accent-warn); }
#timer-widget.over-time #timer-display { color: var(--accent-bad); }
.timer-presets { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.timer-presets button {
  flex: 1; min-width: 50px; background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text-dim);
  padding: 6px 4px; border-radius: 6px; font-size: 11.5px; font-weight: 700; cursor: pointer; font-family: var(--sans);
}
.timer-presets button:hover, .timer-presets button.active { color: var(--accent); border-color: var(--accent); }
.timer-custom { display: flex; gap: 6px; margin-bottom: 10px; }
.timer-custom input {
  width: 100%; background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text);
  padding: 6px 8px; border-radius: 6px; font-size: 12.5px; font-family: var(--sans);
}
.timer-custom button { background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text-dim); border-radius: 6px; padding: 6px 10px; font-size: 12px; font-weight: 700; cursor: pointer; }
.timer-controls { display: flex; gap: 6px; }
.timer-controls button {
  flex: 1; padding: 9px; border-radius: 7px; border: 1px solid var(--border); cursor: pointer; font-weight: 700; font-size: 12.5px;
  font-family: var(--sans); background: var(--bg-elev-2); color: var(--text);
}
.timer-controls button.primary { background: var(--accent); color: #04140f; border-color: var(--accent); }
.timer-mode-switch { display:flex; gap:4px; margin-bottom: 10px; background: var(--bg-elev-2); padding: 3px; border-radius: 7px; border: 1px solid var(--border); }
.timer-mode-switch button { flex:1; background: none; border: none; color: var(--text-faint); font-size: 11px; font-weight: 700; padding: 6px; border-radius: 5px; cursor: pointer; font-family: var(--sans); }
.timer-mode-switch button.active { background: var(--bg-elev); color: var(--accent); }
.timer-label { font-size: 11px; color: var(--text-faint); text-align: center; margin-bottom: 8px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 30px 24px; text-align: center; color: var(--text-faint); font-size: 12.5px; margin-top: 40px; }
.site-footer a { color: var(--text-dim); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .sidebar { display: none; }
  main.content { padding: 20px 16px 100px; }
  .search-wrap { width: 150px; }
  .hero h1 { font-size: 30px; }
  #timer-widget { right: 12px; bottom: 12px; }
}
@media (max-width: 640px) {
  .search-wrap { display: none; }
}