:root {
  --cream: #f3efe4;
  --cream-dark: #e7e0d0;
  --paper: #faf7f0;
  --ink: #1c1915;
  --ink-soft: #4a453c;
  --forest: #1b4332;
  --leaf: #2d6a4f;
  --moss: #40916c;
  --mint: #d8f3dc;
  --amber: #b0892e;
  --amber-soft: #f3e6c4;
  --terminal: #0d1c16;
  --term-text: #b7e4c7;
  --term-dim: #74a88a;
  --warn: #9b3d2a;
  --line: #d4ccb8;
  --shadow: 0 18px 40px rgba(27, 67, 50, 0.08);
  --radius: 18px;
  --max: 72rem;
  --sans: "Atkinson Hyperlegible", "Segoe UI", system-ui, sans-serif;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #e8f0e4 0%, transparent 50%),
    radial-gradient(900px 400px at 100% 0%, #f3e6c4 0%, transparent 46%),
    var(--cream);
  line-height: 1.65;
  font-size: 1.08rem;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; }
a { color: var(--leaf); }
a:hover { color: var(--forest); }
button, input, textarea { font: inherit; }

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--forest);
  color: white;
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  z-index: 20;
}
.skip:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 247, 240, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner, .nav-wrap, .hero-inner, .wrap, .footer-inner {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--forest);
}
.mark {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 9px;
  background: var(--forest);
  color: var(--mint);
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: var(--serif); font-size: 1rem; }
.brand-text span { font-size: 0.75rem; color: var(--ink-soft); }

.nav-toggle {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 10px;
  padding: 0.6rem 0.85rem;
  color: var(--forest);
  min-height: 2.75rem;
}
.site-nav {
  display: none;
  border-top: 1px solid var(--line);
  padding: 0.6rem 0 1rem;
}
.site-nav.open { display: block; }
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}
.site-nav a, .site-nav span {
  display: block;
  padding: 0.7rem 0.45rem;
  text-decoration: none;
  color: var(--ink);
  border-radius: 8px;
}
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid var(--moss);
  outline-offset: 2px;
}
.site-nav a:hover, .site-nav a[aria-current="page"] {
  color: var(--forest);
  background: var(--mint);
  padding-left: 0.55rem;
}
.site-nav .soon {
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.site-nav .soon small {
  display: block;
  color: #8a8376;
  font-size: 0.75rem;
}

.nav-also { margin-top: 0.55rem; }
.nav-also summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--forest);
  padding: 0.55rem 0.45rem;
  border-radius: 8px;
  list-style: none;
}
.nav-also summary::-webkit-details-marker { display: none; }
.nav-also[aria-current="true"] summary { background: var(--mint); }

@media (min-width: 960px) {
  .nav-toggle { display: none; }
  .header-inner { min-height: 4.4rem; }
  .site-nav {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    border: 0;
    padding: 0;
  }
  .site-nav ul {
    display: flex;
    gap: 0.2rem;
    align-items: center;
  }
  .site-nav a, .site-nav span {
    padding: 0.4rem 0.55rem;
    font-size: 0.88rem;
  }
  .site-nav .soon small { display: none; }
  .nav-also { margin: 0; position: relative; }
  .nav-also summary { padding: 0.4rem 0.55rem; font-size: 0.88rem; }
  .nav-also .nav-more {
    position: absolute;
    right: 0;
    top: calc(100% + 0.35rem);
    min-width: 12.5rem;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.35rem;
    box-shadow: var(--shadow);
    display: grid;
    gap: 0.1rem;
    z-index: 16;
  }
}

.crumb {
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin: 1.2rem auto 0;
  width: min(var(--max), calc(100% - 2rem));
}

.hero {
  padding: 1.6rem 0 2.4rem;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--mint);
  color: var(--forest);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; color: var(--forest); }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); margin: 0.7rem 0 0.8rem; font-weight: 600; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin: 0 0 0.7rem; }
h3 { font-size: 1.15rem; margin: 0 0 0.4rem; }
.lede {
  font-size: 1.18rem;
  color: var(--ink-soft);
  max-width: 40rem;
}
.role-line {
  margin: 0.7rem 0 0;
  font-size: 0.95rem;
  color: var(--ink-soft);
  max-width: 40rem;
}
.role-line a { font-weight: 700; }


.hero-grid {
  display: grid;
  gap: 1.4rem;
  align-items: start;
}
@media (min-width: 880px) {
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; gap: 2rem; }
}

.terminal {
  background: var(--terminal);
  color: var(--term-text);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  font-family: var(--mono);
  font-size: 0.92rem;
}
.terminal-bar {
  background: #14261d;
  color: var(--term-dim);
  padding: 0.55rem 0.8rem;
  display: flex;
  gap: 0.4rem;
  align-items: center;
}
.dot { width: 0.55rem; height: 0.55rem; border-radius: 50%; background: #3d5c4c; }
.dot.r { background: #9b3d2a; }
.dot.y { background: #b0892e; }
.dot.g { background: #40916c; }
.terminal pre {
  margin: 0;
  padding: 1rem 1rem 1.2rem;
  white-space: pre-wrap;
  min-height: 10rem;
}
.cursor {
  display: inline-block;
  width: 0.55rem;
  height: 1rem;
  background: var(--term-text);
  transform: translateY(2px);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.section { padding: 0.4rem 0 2.4rem; }
.wrap { width: min(var(--max), calc(100% - 2rem)); margin-inline: auto; }

.doors {
  display: grid;
  gap: 1rem;
}
@media (min-width: 800px) { .doors { grid-template-columns: repeat(3, 1fr); } }

.door {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.15rem 1.2rem;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-height: 11rem;
  transition: transform 0.16s ease, border-color 0.16s ease;
}
.door:hover { transform: translateY(-3px); border-color: var(--moss); }
.door .num {
  font-family: var(--mono);
  color: var(--amber);
  font-size: 0.8rem;
  font-weight: 700;
}
.door h2 { color: var(--forest); }
.door p { margin: 0; color: var(--ink-soft); }
.door .go { margin-top: auto; color: var(--leaf); font-weight: 700; font-size: 0.92rem; }
.door.is-opened { border-color: var(--moss); }
.door.is-done {
  border-color: var(--leaf);
  background: linear-gradient(180deg, #e8f6ec 0%, var(--paper) 42%);
}
.door.is-opened .num::after { content: " · opened"; color: var(--leaf); }
.door.is-done .num::after { content: " · done"; color: var(--leaf); }
.stage-pager a.is-done { box-shadow: inset 0 -3px 0 var(--leaf); }
.stage-pager a.is-opened { box-shadow: inset 0 -3px 0 var(--moss); }
.quiet-links {
  margin: 1rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.quiet-links a { font-weight: 700; }

.path {
  display: grid;
  gap: 0.7rem;
  counter-reset: step;
}
.path-step.is-now {
  border-color: var(--leaf);
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.16);
}
.path-step.is-past { opacity: 0.82; }
.path-step.is-now .path-index { background: var(--forest); color: #f4fff8; }
.path-step {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.8rem;
  align-items: center;
}
.path-step.locked { opacity: 0.7; }
.path-index {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--mint);
  color: var(--forest);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-family: var(--mono);
  font-size: 0.85rem;
}
.path-step.locked .path-index { background: var(--cream-dark); color: var(--ink-soft); }
.path-step h3 { margin: 0; font-size: 1rem; }
.path-step p { margin: 0.15rem 0 0; color: var(--ink-soft); font-size: 0.92rem; }
.chip {
  font-size: 0.72rem;
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  background: var(--amber-soft);
  color: #6d5418;
  font-weight: 700;
}
.chip.later { background: var(--cream-dark); color: var(--ink-soft); }

.grid-2 {
  display: grid;
  gap: 1rem;
}
@media (min-width: 800px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
  box-shadow: var(--shadow);
}
.card p:last-child { margin-bottom: 0; }

.day {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem 1rem;
  align-items: center;
}
.mins {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--forest);
  width: 4.2rem;
}
.bar {
  height: 0.7rem;
  background: var(--cream-dark);
  border-radius: 999px;
  overflow: hidden;
}
.bar > span { display: block; height: 100%; background: var(--leaf); border-radius: inherit; }

.accordion details {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.2rem 1rem;
  margin-bottom: 0.6rem;
}
.accordion summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--forest);
  padding: 0.85rem 0;
}
.accordion details p { margin-top: 0; }

.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.7rem; }
.checklist li {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem 1rem;
}
.checklist label {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: start;
  cursor: pointer;
}
.checklist input { margin-top: 0.3rem; width: 1.1rem; height: 1.1rem; accent-color: var(--leaf); }
.checklist .done h3, .checklist .done p { text-decoration: line-through; opacity: 0.65; }

.cmd {
  background: var(--terminal);
  color: var(--term-text);
  border-radius: 12px;
  padding: 0.75rem 0.85rem;
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: center;
  margin: 0.55rem 0 0.2rem;
  font-family: var(--mono);
  font-size: 0.88rem;
}
.cmd code { color: var(--term-text); }
.copy {
  border: 0;
  background: #1c3a2c;
  color: var(--mint);
  border-radius: 8px;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  white-space: nowrap;
}
.copy:hover { background: #26523d; }
.meaning { color: var(--ink-soft); font-size: 0.92rem; margin: 0.25rem 0 0.2rem; }

.progress-wrap { margin: 1rem 0 1.4rem; }
.progress-label { display: flex; justify-content: space-between; font-size: 0.9rem; color: var(--ink-soft); }
.progress {
  height: 0.85rem;
  background: var(--cream-dark);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 0.35rem;
}
.progress > span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--leaf), var(--moss));
  transition: width 0.25s ease;
}

.celebrate {
  display: none;
  background: var(--mint);
  border: 1px solid #95d5b2;
  color: var(--forest);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  margin-top: 1rem;
}
.celebrate.show { display: block; }

.note {
  background: var(--amber-soft);
  border-left: 4px solid var(--amber);
  border-radius: 0 12px 12px 0;
  padding: 0.85rem 1rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 1rem;
  padding: 1.6rem 0 2rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.footer-inner { display: grid; gap: 0.4rem; }
.footer-inner strong { color: var(--forest); }

.toast {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  background: var(--forest);
  color: white;
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.toast.show { opacity: 1; }

.stage-pager {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.2rem 0 0.4rem;
}
.stage-pager a, .stage-pager span {
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.88rem;
}
.stage-pager a[aria-current="page"], .stage-pager a:hover {
  background: var(--mint);
  border-color: var(--moss);
  color: var(--forest);
}
.stage-pager .muted { color: #8a8376; }

.cmd-board {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.8rem 0;
}
.cmd-board button {
  font-family: var(--mono);
  background: var(--terminal);
  color: var(--term-text);
  border: 0;
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
}
.cmd-board button[aria-pressed="true"] {
  background: var(--leaf);
  color: white;
}
.cmd-explain {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  min-height: 6.5rem;
}
.cmd-explain h3 { font-family: var(--mono); font-size: 1.05rem; }
.weeks {
  display: grid;
  gap: 0.6rem;
}
@media (min-width: 800px) { .weeks { grid-template-columns: repeat(4, 1fr); } }
.week {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.8rem 0.9rem;
}
.week strong { display: block; color: var(--forest); font-family: var(--serif); margin-bottom: 0.25rem; }
.week p { margin: 0; color: var(--ink-soft); font-size: 0.9rem; }
.week.dim { opacity: 0.55; }
a.week { text-decoration: none; color: inherit; display: block; }
a.week.is-now { border-color: var(--leaf); box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.16); }

.layers { display: grid; gap: 0.5rem; }
.layer-btn {
  text-align: left;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 14px;
  padding: 0.8rem 1rem;
  cursor: pointer;
  color: inherit;
}
.layer-btn[aria-pressed="true"] {
  background: var(--mint);
  border-color: var(--moss);
}
.layer-btn strong { display: block; color: var(--forest); font-family: var(--serif); font-size: 1.05rem; }
.layer-btn span { color: var(--ink-soft); font-size: 0.92rem; }

.drawers { display: grid; gap: 0.55rem; }
.drawer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.7rem;
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.75rem 1rem;
  cursor: pointer;
  text-align: left;
  color: inherit;
  width: 100%;
}
.drawer .lock {
  font-family: var(--mono);
  background: var(--cream-dark);
  color: var(--ink-soft);
  border-radius: 8px;
  padding: 0.25rem 0.45rem;
  font-size: 0.78rem;
}
.drawer.open .lock { background: var(--mint); color: var(--forest); }
.drawer p { margin: 0; color: var(--ink-soft); font-size: 0.9rem; }

.phone {
  width: min(220px, 70%);
  margin: 0 auto;
  background: var(--terminal);
  border-radius: 28px;
  padding: 0.7rem 0.7rem 1.1rem;
  box-shadow: var(--shadow);
  color: var(--term-text);
}
.phone-screen {
  background: #173528;
  border-radius: 16px;
  min-height: 220px;
  padding: 1rem 0.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  text-align: center;
}
.phone-btn {
  background: var(--moss);
  color: white;
  border: 0;
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  cursor: pointer;
}
.phone-msg { min-height: 1.4rem; color: var(--mint); font-family: var(--serif); }

.pick-grid { display: grid; gap: 0.6rem; }
@media (min-width: 720px) { .pick-grid { grid-template-columns: 1fr 1fr 1fr; } }
.pick {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  cursor: pointer;
  text-align: left;
  color: inherit;
}
.pick[aria-pressed="true"] { outline: 2px solid var(--leaf); background: var(--mint); }
.pick h3 { margin-bottom: 0.3rem; }

.ready {
  display: grid;
  gap: 0.7rem;
}
@media (min-width: 720px) { .ready { grid-template-columns: 1fr 1fr; } }

.sticky-row { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 0.8rem 0; }
.sticky {
  width: 9.5rem;
  min-height: 6.2rem;
  background: #f6e58d;
  color: #3d3414;
  padding: 0.7rem 0.75rem;
  box-shadow: 2px 3px 0 rgba(0,0,0,0.08);
  transform: rotate(-1.5deg);
  border: 0;
  cursor: pointer;
  text-align: left;
  font: inherit;
}
.sticky:nth-child(2) { background: #c7ecee; transform: rotate(1.2deg); }
.sticky:nth-child(3) { background: #f8c291; transform: rotate(-0.4deg); }
.sticky small { display: block; font-family: var(--mono); font-size: 0.75rem; opacity: 0.75; }
.sticky strong { display: block; margin-top: 0.35rem; font-size: 1.05rem; }

.json-box {
  font-family: var(--mono);
  background: var(--terminal);
  color: var(--term-text);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  line-height: 1.8;
}
.json-box button {
  font: inherit;
  background: #1c3a2c;
  color: #ffeaa7;
  border: 0;
  border-radius: 6px;
  padding: 0 0.25rem;
  cursor: pointer;
}

.preview-frame {
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem 1.2rem;
  min-height: 7rem;
}
.preview-frame h2 { margin-top: 0; }

.key-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.8rem 0; }
.key-row button {
  font-family: var(--mono);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.55rem 0.8rem;
  cursor: pointer;
  min-width: 5.5rem;
}
.key-row button[aria-pressed="true"] {
  background: var(--mint);
  border-color: var(--moss);
}

.search {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 12px;
  padding: 0.7rem 0.85rem;
  margin: 0.4rem 0 1rem;
}
.find-label {
  display: block;
  margin: 1rem 0 0.35rem;
  font-weight: 700;
  color: var(--forest);
}
.find-status { margin: 0 0 0.6rem; color: var(--ink-soft); font-size: 0.92rem; }
.find-results { display: grid; gap: 0.45rem; margin: 0 0 0.8rem; }
.find-results a {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.85rem;
  text-decoration: none;
  color: inherit;
}
.find-results a strong { color: var(--forest); }
.find-results a span { color: var(--ink-soft); font-size: 0.92rem; }

.kicker::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--moss);
}
.door {
  position: relative;
  overflow: hidden;
}
.door::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--moss);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.22s ease;
}
.door:hover::before, .door:focus-visible::before { transform: scaleY(1); }
.card {
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}
.card:hover { transform: translateY(-2px); }
.hero-inner h1 {
  letter-spacing: -0.02em;
}
.site-header {
  box-shadow: 0 1px 0 rgba(27, 67, 50, 0.04);
}
.mark {
  box-shadow: 0 0 0 4px rgba(27, 67, 50, 0.08);
}
.stage-pager a[aria-current="page"] {
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.18);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.tutor-hero { padding-bottom: 1.2rem; }
.tutor-section { padding-top: 0; }
.tutor-layout {
  display: grid;
  gap: 1rem;
  align-items: start;
}
@media (min-width: 980px) {
  .tutor-layout { grid-template-columns: minmax(0, 1.5fr) minmax(16rem, 0.7fr); }
}

.tutor-shell {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: min(78vh, 44rem);
}

.tutor-bar {
  background: var(--terminal);
  color: var(--term-text);
  padding: 0.75rem 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  flex-wrap: wrap;
}
.tutor-ident {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
}
.tutor-face {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex-shrink: 0;
  background: #1f3d2e;
  color: var(--mint);
}
.tutor-row.user .tutor-face {
  background: var(--forest);
  color: #f4fff8;
  font-size: 0.62rem;
}
.tutor-names {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}
.tutor-names strong {
  font-family: var(--serif);
  font-size: 1rem;
  color: #e8f6ec;
}
.tutor-names span {
  font-size: 0.75rem;
  color: var(--term-dim);
}
.tutor-bar-tools {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.tutor-live {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid #2a4a3a;
  background: #13261c;
  color: var(--term-dim);
  border-radius: 999px;
  padding: 0.28rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
}
.tutor-dot {
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 50%;
  background: var(--amber);
}
.tutor-live[data-state="checking"] .tutor-dot { background: var(--amber); }
.tutor-live[data-state="ok"] .tutor-dot { background: #74c69d; }
.tutor-live[data-state="warn"] .tutor-dot { background: #e9c46a; }
.tutor-live[data-state="down"] .tutor-dot { background: #e07a5f; }
.tutor-ghost {
  border: 1px solid #2a4a3a;
  background: transparent;
  color: var(--mint);
  border-radius: 999px;
  padding: 0.32rem 0.7rem;
  cursor: pointer;
  font-size: 0.78rem;
  min-height: 2.2rem;
}
.tutor-ghost:hover { background: #1c3a2c; }

.tutor-log {
  flex: 1;
  min-height: 16rem;
  max-height: none;
  overflow: auto;
  padding: 1rem 0.85rem 1.1rem;
  display: grid;
  align-content: start;
  gap: 0.85rem;
  background:
    radial-gradient(800px 180px at 10% 0%, rgba(216, 243, 220, 0.55), transparent 55%),
    linear-gradient(180deg, #f6f1e6 0%, var(--paper) 38%);
}
.tutor-row {
  display: flex;
  gap: 0.55rem;
  align-items: flex-end;
  max-width: 100%;
}
.tutor-row.user { justify-content: flex-end; }
.tutor-bubble {
  max-width: min(38rem, calc(100% - 2.7rem));
  padding: 0.7rem 0.85rem 0.8rem;
  border-radius: 16px;
}
.tutor-bubble.assistant {
  background: #e7f6ea;
  color: var(--forest);
  border: 1px solid #c5e6ce;
  border-bottom-left-radius: 6px;
}
.tutor-bubble.user {
  background: var(--forest);
  color: #f4fff8;
  border-bottom-right-radius: 6px;
}
.tutor-who {
  margin: 0 0 0.28rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.7;
}
.tutor-text {
  font-size: 1.02rem;
  line-height: 1.55;
}
.tutor-text code,
.tutor-bubble code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: rgba(27, 67, 50, 0.08);
  border-radius: 5px;
  padding: 0.05rem 0.28rem;
}
.tutor-bubble.user code { background: rgba(255, 255, 255, 0.14); }
.tutor-code {
  margin: 0.55rem 0 0.15rem;
  padding: 0.7rem 0.75rem;
  background: var(--terminal);
  color: var(--term-text);
  border-radius: 10px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.45;
}
.tutor-code code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}
.tutor-msg-tools {
  margin-top: 0.45rem;
}
.tutor-msg-tools button {
  border: 0;
  background: transparent;
  color: var(--leaf);
  padding: 0;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
}
.tutor-bubble.user .tutor-msg-tools button { color: var(--mint); }

.tutor-dots {
  display: flex;
  gap: 0.28rem;
  margin: 0.35rem 0 0.1rem;
  align-items: center;
}
.tutor-dots span {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--moss);
  animation: tutor-pulse 1s ease-in-out infinite;
}
.tutor-dots span:nth-child(2) { animation-delay: 0.15s; }
.tutor-dots span:nth-child(3) { animation-delay: 0.3s; }
@keyframes tutor-pulse {
  0%, 80%, 100% { opacity: 0.25; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-2px); }
}

.tutor-composer {
  border-top: 1px solid var(--line);
  background: #fffdf8;
  padding: 0.7rem 0.85rem calc(0.85rem + env(safe-area-inset-bottom));
}
.tutor-prompts {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.45rem;
  padding: 0 0 0.65rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.tutor-prompts button {
  border: 1px solid var(--line);
  background: var(--cream);
  color: var(--forest);
  border-radius: 999px;
  padding: 0.42rem 0.75rem;
  cursor: pointer;
  white-space: nowrap;
  min-height: 2.35rem;
}
.tutor-prompts button:hover,
.tutor-prompts button:focus-visible {
  border-color: var(--moss);
  background: var(--mint);
}
.tutor-prompts button:disabled { opacity: 0.55; }
.tutor-form { display: grid; gap: 0.55rem; }
.tutor-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.75rem 0.85rem;
  background: var(--paper);
  color: var(--ink);
  resize: vertical;
  min-height: 5.2rem;
  line-height: 1.45;
}
.tutor-form textarea:focus {
  outline: 3px solid rgba(64, 145, 108, 0.35);
  border-color: var(--moss);
}
.tutor-actions {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
}
.tutor-count {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
}
.tutor-status {
  margin: 0 auto 0 0;
  color: var(--ink-soft);
  font-size: 0.86rem;
}
.tutor-send {
  border: 0;
  background: var(--forest);
  color: white;
  border-radius: 12px;
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  font-weight: 700;
  min-height: 2.8rem;
  min-width: 5.2rem;
  margin-left: auto;
}
.tutor-send:hover { background: var(--leaf); }
.tutor-send:disabled {
  opacity: 0.6;
  cursor: wait;
}

.tutor-rail { display: grid; gap: 0.8rem; }
.tutor-tip h2 { font-size: 1.15rem; }
.tutor-tip ol {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}
.tutor-tip li + li { margin-top: 0.35rem; }
.tutor-tip.muted { background: var(--cream); }
.tutor-rail .card:hover { transform: none; }

@media (max-width: 720px) {
  .tutor-shell { min-height: min(82vh, 40rem); border-radius: 18px; }
  .tutor-status { display: none; }
  .tutor-hero .lede { max-width: none; }
}

.path-end .hero-actions { margin-top: 0.7rem; }

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  margin: 0 0 0.8rem;
}
.auth-tab {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--forest);
  border-radius: 12px;
  min-height: 2.7rem;
  font-weight: 700;
  cursor: pointer;
}
.auth-tab[aria-selected="true"] {
  background: var(--forest);
  color: #f4fff8;
  border-color: var(--forest);
}
.password-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.4rem;
}
.password-toggle { min-height: 2.8rem; }
.auth-switch { margin: 0.85rem 0 0; color: var(--ink-soft); }
.text-link {
  border: 0;
  background: none;
  color: var(--leaf);
  font: inherit;
  font-weight: 700;
  padding: 0;
  cursor: pointer;
}
.perk-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1rem 0 0.3rem;
  padding: 0;
}
.perk-chips li {
  background: var(--mint);
  color: var(--forest);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.88rem;
  font-weight: 700;
}

.auth-grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 800px) {
  .auth-grid { grid-template-columns: 1fr 1fr; }
}
.auth-form { display: grid; gap: 0.45rem; margin-top: 0.8rem; }
.auth-form label { font-weight: 700; color: var(--forest); }
.auth-form input {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 12px;
  padding: 0.7rem 0.85rem;
}
.auth-form .btn-primary { margin-top: 0.35rem; border: 0; cursor: pointer; }
.perk-list {
  list-style: none;
  margin: 0.8rem 0 0.6rem;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}
@media (min-width: 800px) {
  .perk-list { grid-template-columns: 1fr 1fr; }
}
.perk-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.9rem 1rem;
  box-shadow: var(--shadow);
}
.perk-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--forest);
  color: #f4fff8;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
}
.perk-list h3 { margin: 0 0 0.2rem; font-size: 1.05rem; }
.perk-list p { margin: 0; color: var(--ink-soft); }
.perk-on {
  margin: 0.6rem 0 1rem;
  padding-left: 1.1rem;
  color: var(--forest);
}
.perk-on li + li { margin-top: 0.25rem; }
.resume-account { margin: 0.65rem 0 0; font-size: 0.92rem; color: var(--ink-soft); }

.account-note {
  margin: 0 0 1rem;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  background: var(--amber-soft);
  color: var(--ink);
}
.account-note[data-kind="ok"] { background: var(--mint); color: var(--forest); }
.account-note[data-kind="warn"] { background: #f3d6cf; color: var(--warn); }
#account-logout, #account-save { border: 0; cursor: pointer; }

.resume-strip {
  margin-top: 1.1rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.85rem 1rem 1rem;
  box-shadow: var(--shadow);
  max-width: 28rem;
}
.resume-kicker {
  margin: 0 0 0.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--leaf);
}
.resume-copy { margin: 0 0 0.55rem; color: var(--ink-soft); }
.resume-dots { display: flex; gap: 0.35rem; margin: 0 0 0.7rem; }
.resume-dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--cream-dark);
}
.resume-dot.opened { background: var(--amber); }
.resume-dot.done { background: var(--leaf); }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.1rem 0 0.2rem;
}
.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.55rem 1rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
}
.btn-primary { background: var(--forest); color: #f4fff8; }
.btn-primary:hover { color: #fff; background: var(--leaf); }
.btn-ghost {
  background: var(--paper);
  color: var(--forest);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--moss); background: var(--mint); color: var(--forest); }

.stage-pager {
  overflow-x: auto;
  flex-wrap: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  padding-bottom: 0.2rem;
}
.stage-pager a, .stage-pager span { flex: 0 0 auto; }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.9rem;
  margin-top: 0.35rem;
}
.footer-links a { color: var(--leaf); text-decoration: none; font-weight: 700; }
.footer-links a:hover { color: var(--forest); }

.ask-fab-wrap {
  position: fixed;
  right: max(0.7rem, env(safe-area-inset-right));
  bottom: max(0.7rem, env(safe-area-inset-bottom));
  z-index: 14;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.ask-fab {
  background: var(--forest);
  color: #f4fff8;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.65rem 0.9rem;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 10px 24px rgba(27, 67, 50, 0.22);
}
.ask-fab:hover { color: #fff; background: var(--leaf); }
.ask-fab-hide {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 0.45rem 0.6rem;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 2.4rem;
}
body.tutor-page .ask-fab-wrap { display: none; }
body.has-fab { padding-bottom: 4.2rem; }

@media (max-width: 959px) {
  .site-nav a, .site-nav span {
    min-height: 2.75rem;
    display: flex;
    align-items: center;
  }
  .nav-toggle[aria-expanded="true"] { background: var(--mint); }
  .header-inner { min-height: 3.25rem; gap: 0.6rem; }
  .brand-text span { display: none; }
  .mark { width: 1.9rem; height: 1.9rem; font-size: 0.78rem; }
  .nav-toggle { min-height: 2.4rem; padding: 0.4rem 0.7rem; }
}
@media (max-width: 720px) {
  h1 { font-size: clamp(1.7rem, 8vw, 2.4rem); }
  .hero { padding: 0.7rem 0 1.2rem; }
  .crumb { display: none; }
  .stage-pager { margin-top: 0.85rem; }
  .path-step {
    grid-template-columns: auto 1fr;
    gap: 0.55rem 0.7rem;
  }
  .path-step .chip { grid-column: 2; justify-self: start; }
  .cmd {
    flex-direction: column;
    align-items: stretch;
  }
  .cmd .copy { align-self: flex-end; min-height: 2.4rem; }
  .doors { gap: 0.75rem; }
  .door { min-height: 0; }
  .card:hover { transform: none; }
}
@media (hover: none) {
  .door:hover, .card:hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}