/* AmpForge website - shared look for every page (update, setup, designer, tools). */
:root {
  --bg: #f3f5f8; --bg2: #e9edf2; --card: #ffffff; --text: #121821; --dim: #5a6676; --line: #dbe1e8;
  --accent: #0089b8; --accent-2: #00b4e6; --accent-text: #ffffff; --accent-soft: rgba(0, 137, 184, .1);
  --ok: #1a8f4c; --warn: #a86b12; --crit: #cf3b3b; --code: #eef2f6;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 24px rgba(16, 24, 40, .06);
  --radius: 16px; --radius-sm: 10px;
  --gutter: clamp(16px, 4vw, 32px);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #07090c; --bg2: #0d1117; --card: #11161d; --text: #eef2f6; --dim: #8b97a4; --line: #232c37;
    --accent: #00c8ff; --accent-2: #5ee0ff; --accent-text: #061018; --accent-soft: rgba(0, 200, 255, .12);
    --ok: #2ecc71; --warn: #f5a623; --crit: #ff5a5a; --code: #1b222c;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
  }
}
:root[data-theme="dark"] {
  --bg: #07090c; --bg2: #0d1117; --card: #11161d; --text: #eef2f6; --dim: #8b97a4; --line: #232c37;
  --accent: #00c8ff; --accent-2: #5ee0ff; --accent-text: #061018; --accent-soft: rgba(0, 200, 255, .12);
  --ok: #2ecc71; --warn: #f5a623; --crit: #ff5a5a; --code: #1b222c;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text);
       font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; overflow-x: hidden; }
a { color: var(--accent); }
img, svg { max-width: 100%; }

/* ---- top bar (same on every page) ---- */
.topbar { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 85%, transparent);
          backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px);
          border-bottom: 1px solid var(--line); }
.topbar-in { max-width: 1160px; margin: 0 auto; padding: 10px var(--gutter); display: flex; align-items: center; gap: 12px; }
.logo { display: flex; align-items: center; gap: 9px; font-weight: 800; letter-spacing: .06em; text-decoration: none; color: var(--text); white-space: nowrap; }
.logo i { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
          background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-text); font-style: normal; font-size: 15px; }
.nav { display: flex; gap: 2px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a { padding: 7px 12px; border-radius: 9px; color: var(--dim); text-decoration: none; font-size: 14px; font-weight: 600; white-space: nowrap; }
.nav a:hover { color: var(--text); background: var(--bg2); }
.nav a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); }
@media (max-width: 560px) {
  .topbar-in { flex-wrap: wrap; gap: 6px; padding-bottom: 6px; }
  .nav { margin-left: 0; width: 100%; }
  .nav a { padding: 6px 10px; }
}

/* ---- page ---- */
main { max-width: 760px; margin: 0 auto; padding: clamp(20px, 4vw, 40px) var(--gutter) 64px; }
main.wide { max-width: 1160px; }
.hero { margin-bottom: 20px; }
.hero h1 { font-size: clamp(26px, 5vw, 36px); line-height: 1.15; margin: 0 0 6px; letter-spacing: -.01em; }
.hero p { color: var(--dim); margin: 0; max-width: 60ch; }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--dim);
        background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; margin-top: 10px; }
.pill b { color: var(--text); font-variant-numeric: tabular-nums; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(16px, 3vw, 22px);
        margin-top: 16px; box-shadow: var(--shadow); }
.card:first-child { margin-top: 0; }
.card h2 { font-size: 18px; margin: 0 0 6px; display: flex; align-items: center; gap: 10px; }
.card h2 .n { width: 26px; height: 26px; border-radius: 50%; background: var(--accent-soft); color: var(--accent);
              display: inline-grid; place-items: center; font-size: 14px; flex: none; }
.sub, .muted { color: var(--dim); font-size: 14px; margin: 0 0 14px; }
.hint { color: var(--dim); font-size: 13px; margin-top: 4px; }
p { margin: 0 0 12px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr)); gap: 14px 18px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 14px; margin-top: 16px; }
.tile { display: flex; flex-direction: column; gap: 6px; padding: 18px; border-radius: var(--radius); background: var(--card);
        border: 1px solid var(--line); text-decoration: none; color: var(--text); box-shadow: var(--shadow); transition: border-color .15s, transform .15s; }
.tile:hover { border-color: var(--accent); transform: translateY(-1px); }
.tile b { font-size: 16px; }
.tile span { color: var(--dim); font-size: 14px; }
.tile .tag { align-self: flex-start; font-size: 12px; font-weight: 700; color: var(--accent); background: var(--accent-soft); border-radius: 6px; padding: 1px 7px; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.row.end { justify-content: flex-end; }
.stack { display: flex; flex-direction: column; gap: 8px; }

/* ---- form controls ---- */
label { display: block; font-size: 14px; color: var(--dim); margin-bottom: 5px; }
input[type=number], input[type=text], select, textarea {
  width: 100%; font: 16px system-ui, sans-serif; padding: 10px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--bg); color: var(--text); min-width: 0; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px; }
input[type=range] { width: 100%; accent-color: var(--accent); }
.check { display: flex; gap: 10px; align-items: center; font-size: 15px; color: var(--text); margin: 0; cursor: pointer; min-height: 40px; }
.check input { width: 20px; height: 20px; accent-color: var(--accent); flex: none; }
.seg { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--bg); }
.seg label { margin: 0; padding: 10px 16px; cursor: pointer; color: var(--text); font-size: 15px; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label:has(input:checked) { background: var(--accent); color: var(--accent-text); }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
fieldset:disabled { opacity: .5; }

button, .btn { font: 600 15px system-ui, sans-serif; border-radius: 11px; padding: 10px 16px; cursor: pointer; min-height: 42px;
               border: 1px solid var(--line); background: var(--card); color: var(--text); text-decoration: none;
               display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
button:hover:not(:disabled), .btn:hover { border-color: var(--accent); }
button:disabled { opacity: .45; cursor: default; }
button.primary, .btn.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.primary:hover:not(:disabled), .btn.primary:hover { filter: brightness(1.08); }
button.danger { color: var(--crit); }
button.big, .btn.big { padding: 13px 22px; font-size: 16px; }
button svg { width: 20px; height: 20px; flex: none; }

.status { font-size: 14px; padding: 10px 12px; border-radius: var(--radius-sm); background: var(--bg); border: 1px solid var(--line); margin-top: 12px; }
.status.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, var(--line)); }
.status.err { color: var(--crit); border-color: color-mix(in srgb, var(--crit) 40%, var(--line)); }
.status.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, var(--line)); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; font-size: 15px; }
.kv b { font-family: ui-monospace, Consolas, monospace; font-weight: 600; overflow-wrap: anywhere; }
.warnbox { border-left: 4px solid var(--warn); padding-left: 12px; }
kbd { background: var(--code); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; font-size: 14px; }
details.card > summary { cursor: pointer; font-weight: 700; font-size: 18px; list-style: none; display: flex; justify-content: space-between; }
details.card > summary::-webkit-details-marker { display: none; }
details.card > summary::after { content: "+"; color: var(--dim); font-weight: 400; }
details.card[open] > summary::after { content: "\2212"; }
.section-title { font-size: 15px; margin: 22px 0 10px; color: var(--dim); text-transform: uppercase; letter-spacing: .06em; }

/* ---- connection panel (link.js) ---- */
.connect-buttons { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); gap: 10px; }
.connect-buttons [hidden] { display: none; }
.connect-note { color: var(--dim); font-size: 13px; margin: 10px 0 0; }
dialog.codebox { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); color: var(--text);
                 padding: 22px; width: min(92vw, 380px); box-shadow: var(--shadow); }
dialog.codebox::backdrop { background: rgba(0, 0, 0, .55); }
dialog.codebox h3 { margin: 0 0 6px; }
dialog.codebox input { font: 700 28px ui-monospace, Consolas, monospace; letter-spacing: .2em; text-align: center; margin: 6px 0; }
dialog.codebox .codeleft { color: var(--crit); min-height: 1.2em; margin: 0 0 8px; }

/* ---- sticky save bar ---- */
.savebar { position: sticky; bottom: 0; margin-top: 20px; z-index: 10; background: var(--card); border: 1px solid var(--line);
           border-radius: var(--radius); box-shadow: var(--shadow); padding: 12px 16px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.savebar span { color: var(--dim); font-size: 14px; flex: 1 1 200px; }

footer { color: var(--dim); font-size: 13px; text-align: center; margin-top: 32px; }