/* ==========================================================================
   Shared base for interactive guides on maxcabrera.com
   Light "paper" theme by default (guides are long-form reading), dark as an
   opt-in via <html data-theme="dark">. Tokens mirror src/app/globals.css.
   Link it from a committed guide: <link rel="stylesheet" href="/guides/guide-base.css">
   A guide uploaded to Vercel Blob must inline this file instead.
   ========================================================================== */

:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-2: #eef2f7;
  --ink: #16202e;
  --muted: #5a6678;
  --muted-2: #7a8596;
  --accent: #2b72b8;
  --accent-soft: rgba(43, 114, 184, 0.1);
  --purple: #6d5bd0;
  --purple-soft: rgba(109, 91, 208, 0.1);
  --line: #dde4ee;
  --good: #1f7a3f;
  --good-soft: rgba(31, 122, 63, 0.1);
  --warn: #9a6a00;
  --warn-soft: rgba(154, 106, 0, 0.1);
  --bad: #b83b3b;
  --bad-soft: rgba(184, 59, 59, 0.1);
  --shadow: 0 1px 2px rgba(22, 32, 46, 0.04), 0 4px 14px rgba(22, 32, 46, 0.05);

  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --measure: 66ch;
  --radius: 4px;
  --sidebar: 272px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0c111c;
  --surface: #141a28;
  --surface-2: #1a2133;
  --ink: #f2f5f9;
  --muted: #a7b1c2;
  --muted-2: #7f8a9c;
  --accent: #6fb1e8;
  --accent-soft: rgba(111, 177, 232, 0.14);
  --purple: #8b7cf6;
  --purple-soft: rgba(139, 124, 246, 0.16);
  --line: #232c3d;
  --good: #5fd08a;
  --good-soft: rgba(95, 208, 138, 0.12);
  --warn: #e6b45a;
  --warn-soft: rgba(230, 180, 90, 0.12);
  --bad: #e08a8a;
  --bad-soft: rgba(224, 138, 138, 0.12);
  --shadow: none;
  color-scheme: dark;
}

/* ---------- Reset and type ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.mono { font-family: var(--mono); }
.eyebrow { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: .5rem; }

/* ---------- Layout ---------- */
.app { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar); background: var(--surface); border-right: 1px solid var(--line); padding: 22px 14px 28px; position: fixed; top: 0; bottom: 0; left: 0; overflow-y: auto; z-index: 40; transition: transform .25s ease; }
.main { flex: 1; margin-left: var(--sidebar); padding: 36px 44px 90px; max-width: 1040px; min-width: 0; }
.menu-btn { display: none; position: fixed; top: 12px; left: 12px; z-index: 50; background: var(--surface); border: 1px solid var(--line); color: var(--ink); font-family: var(--mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; padding: .5rem .7rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.scrim { display: none; position: fixed; inset: 0; background: rgba(0, 0, 0, .45); z-index: 35; }
@media (max-width: 860px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: none; }
  .scrim.open { display: block; }
  .main { margin-left: 0; padding: 70px 18px 80px; }
  .menu-btn { display: block; }
}

/* ---------- Sidebar ---------- */
.logo { padding: 4px 10px 14px; border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.logo .wave { display: block; width: 100%; height: 28px; margin-bottom: 8px; }
.logo h1 { font-family: var(--display); font-weight: 800; font-size: .95rem; text-transform: uppercase; letter-spacing: .04em; line-height: 1.2; }
.logo span { display: block; font-family: var(--mono); font-size: .68rem; color: var(--muted); margin-top: 4px; letter-spacing: .06em; text-transform: uppercase; font-weight: 400; }
.nav-label { font-family: var(--mono); font-size: .66rem; text-transform: uppercase; letter-spacing: .14em; color: var(--muted-2); padding: 10px 10px 6px; }
.nav-item { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; padding: 8px 10px; border-radius: var(--radius); font-family: var(--mono); font-size: .8rem; color: var(--muted); margin-bottom: 2px; position: relative; border-left: 2px solid transparent; }
.nav-item:hover { background: var(--surface-2); color: var(--ink); }
.nav-item.active { background: var(--surface-2); color: var(--ink); border-left-color: var(--accent); }
.nav-item .dot { width: 24px; height: 24px; border-radius: 3px; display: flex; align-items: center; justify-content: center; font-size: .68rem; font-weight: 600; flex-shrink: 0; background: var(--bg); color: var(--muted); border: 1px solid var(--line); }
.nav-item.active .dot { background: var(--accent); color: #fff; border-color: var(--accent); }
.nav-item.done .dot { background: var(--good-soft); color: var(--good); border-color: transparent; }
.side-progress { margin: 16px 10px 0; font-family: var(--mono); font-size: .7rem; color: var(--muted); }
.side-progress .bar { height: 4px; background: var(--bg); border: 1px solid var(--line); margin-top: 6px; border-radius: 2px; overflow: hidden; }
.side-progress .fill { height: 100%; background: linear-gradient(90deg, var(--purple), var(--accent)); width: 0; transition: width .3s; }
.side-foot { margin: 22px 10px 0; font-family: var(--mono); font-size: .68rem; color: var(--muted-2); line-height: 1.5; }
.side-foot a { color: var(--muted); }
.theme-toggle { display: inline-flex; align-items: center; gap: 8px; margin: 14px 10px 0; font-family: var(--mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding: .4rem .6rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.theme-toggle:hover { color: var(--ink); border-color: var(--accent); }
.theme-toggle .sw { width: 28px; height: 16px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); position: relative; }
.theme-toggle .sw::after { content: ""; position: absolute; top: 2px; left: 2px; width: 10px; height: 10px; border-radius: 50%; background: var(--muted); transition: transform .15s; }
:root[data-theme="dark"] .theme-toggle .sw::after { transform: translateX(12px); background: var(--accent); }

/* ---------- Page shell ---------- */
.page { display: none; animation: fade .3s ease; }
.page.visible { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .page { animation: none; } }
.crumb { font-family: var(--mono); font-size: .7rem; color: var(--accent); text-transform: uppercase; letter-spacing: .14em; margin-bottom: 8px; }
.page h2.title { font-family: var(--display); font-weight: 800; font-size: clamp(1.6rem, 3.4vw, 2.4rem); line-height: 1.08; letter-spacing: -.01em; margin-bottom: 10px; text-wrap: balance; }
.subtitle { color: var(--ink); font-size: 1.1rem; max-width: var(--measure); margin-bottom: 26px; }
.sec { margin: 32px 0 14px; display: flex; align-items: center; gap: 12px; }
.sec h3 { font-family: var(--display); font-weight: 700; font-size: 1.05rem; letter-spacing: .01em; }
.sec::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.body { max-width: var(--measure); margin-bottom: 14px; color: var(--ink); }
.body.muted { color: var(--muted); }
.note { font-family: var(--mono); font-size: .74rem; color: var(--muted); max-width: 70ch; margin-top: 10px; line-height: 1.5; }
.page-foot { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
.page-foot .nav { display: flex; gap: 8px; }
.done-chip { font-family: var(--mono); font-size: .72rem; color: var(--good); }

/* ---------- Components ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 14px; box-shadow: var(--shadow); }
.card h4 { font-family: var(--display); font-weight: 700; font-size: 1rem; margin-bottom: 6px; }
.card p { color: var(--ink); font-size: .97rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-bottom: 14px; }
.grid .card { margin: 0; }
.tag { display: inline-block; font-family: var(--mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; padding: 2px 7px; border: 1px solid var(--line); border-radius: 3px; color: var(--muted); margin: 0 6px 8px 0; }
.tag.blue { color: var(--accent); border-color: var(--accent); }
.tag.purple { color: var(--purple); border-color: var(--purple); }
.tag.good { color: var(--good); border-color: var(--good); }
.tag.warn { color: var(--warn); border-color: var(--warn); }
.tag.bad { color: var(--bad); border-color: var(--bad); }
ul.list { margin: 0 0 14px 1.2rem; max-width: var(--measure); }
ul.list li { margin-bottom: 6px; }
ul.list li::marker { color: var(--accent); }
.callout { border-left: 3px solid var(--purple); background: var(--purple-soft); padding: 14px 16px; border-radius: 0 var(--radius) var(--radius) 0; margin: 16px 0; max-width: 70ch; }
.callout strong { font-family: var(--display); }
.btn { font-family: var(--mono); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; padding: .6rem 1rem; border: 1px solid var(--accent); color: var(--accent); border-radius: var(--radius); transition: background .12s, color .12s; }
.btn:hover { background: var(--accent); color: #fff; }
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--ink); border-color: var(--ink); }
.btn.ghost { border-color: var(--line); color: var(--muted); }
.btn.ghost:hover { background: var(--surface-2); color: var(--ink); }
.btn.small { padding: .4rem .7rem; font-size: .68rem; }
.btn[disabled] { opacity: .5; cursor: default; }
.tbl-wrap { overflow-x: auto; margin-bottom: 14px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.tbl { width: 100%; border-collapse: collapse; font-size: .95rem; min-width: 520px; }
.tbl th, .tbl td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl th { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); background: var(--surface-2); }
.tbl tr:last-child td { border-bottom: 0; }
.widget { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin: 14px 0 20px; box-shadow: var(--shadow); }
.w-title { font-family: var(--display); font-weight: 700; font-size: 1rem; margin-bottom: 4px; }
.w-hint { font-family: var(--mono); font-size: .74rem; color: var(--muted); margin-bottom: 14px; line-height: 1.5; }
.opt { font-family: var(--mono); font-size: .74rem; padding: .4rem .7rem; border: 1px solid var(--line); border-radius: var(--radius); color: var(--muted); background: var(--bg); }
.opt:hover { border-color: var(--accent); color: var(--ink); }
.opt.sel { border-color: var(--accent); background: var(--accent-soft); color: var(--ink); }
.field { display: grid; gap: 4px; margin-bottom: 10px; }
.field label { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.field input, .field select { font: inherit; font-family: var(--mono); font-size: .88rem; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 3px; padding: .5rem .6rem; width: 100%; }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }

@media print {
  .sidebar, .menu-btn, .page-foot, .scrim { display: none !important; }
  .main { margin: 0; padding: 0; max-width: none; }
  .page { display: block !important; page-break-after: always; }
  body { background: #fff; color: #111; }
}
