@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@500;600;700;800&display=swap');

:root {
  color-scheme: light;
  --ink: #18362c;
  --ink-soft: #526b60;
  --muted: #78887e;
  --paper: #f5f6ef;
  --surface: #fffefa;
  --surface-deep: #eaf0e8;
  --line: #d9e2d8;
  --green: #14865f;
  --green-dark: #0c6549;
  --green-soft: #e2f1e8;
  --lime: #d5ec9d;
  --amber: #b87932;
  --danger: #a3423c;
  --shadow: 0 14px 40px rgba(31, 69, 51, .07);
  --display: 'Manrope', sans-serif;
  --body: 'DM Sans', sans-serif;
  --mono: 'DM Mono', monospace;
}

* { box-sizing: border-box; }
html { min-width: 320px; min-height: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
button { color: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid #8cc9a5;
  outline-offset: 3px;
}
a { color: inherit; }
.app-shell { min-height: 100dvh; }
.sidebar {
  position: fixed; z-index: 20; inset: 0 auto 0 0; width: 248px;
  display: flex; flex-direction: column; padding: 26px 17px 18px;
  background: #183d30; color: #edf5e9;
}
.brand { display: flex; align-items: center; gap: 11px; padding: 0 10px 29px; }
.brand img { width: 39px; height: 39px; border-radius: 12px; }
.brand-name { font: 800 18px/1 var(--display); letter-spacing: -.7px; }
.brand-sub { display: block; margin-top: 5px; color: #9fbeaa; font: 500 9px/1 var(--mono); letter-spacing: 1.3px; text-transform: uppercase; }
.nav-caption { padding: 14px 11px 9px; color: #91ad9c; font: 500 9px var(--mono); letter-spacing: 1.5px; text-transform: uppercase; }
.side-nav { display: grid; gap: 4px; }
.nav-link {
  display: flex; align-items: center; gap: 12px; min-height: 43px; padding: 0 11px;
  border: 1px solid transparent; border-radius: 9px; color: #bbd0c2; text-decoration: none;
  font-size: 13px; font-weight: 600; transition: background .18s, color .18s, transform .18s;
}
.nav-link:hover { background: rgba(255,255,255,.08); color: #fff; transform: translateX(2px); }
.nav-link.active { color: #f7ffed; background: #285644; border-color: rgba(213,236,157,.16); }
.nav-icon { width: 18px; height: 18px; display: grid; place-items: center; color: #a6d9b4; font-size: 16px; }
.sidebar-spacer { flex: 1; }
.sidebar-source { padding: 15px; margin: 16px 3px 0; border: 1px solid rgba(214,238,221,.17); border-radius: 12px; background: rgba(255,255,255,.045); }
.source-kicker { color: #a9c6b2; font: 500 9px var(--mono); letter-spacing: 1.2px; text-transform: uppercase; }
.source-name { margin: 9px 0 5px; overflow: hidden; color: #f2f6ee; font-size: 12px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.source-meta { color: #aac1b2; font-size: 11px; }
.sidebar-foot { padding: 17px 10px 0; color: #87a492; font: 10px var(--mono); }
.main-area { min-height: 100dvh; margin-left: 248px; }
.topbar {
  position: sticky; z-index: 10; top: 0; height: 68px; display: flex; align-items: center;
  justify-content: space-between; padding: 0 clamp(22px, 4vw, 56px);
  border-bottom: 1px solid rgba(217,226,216,.8); background: rgba(245,246,239,.9); backdrop-filter: blur(14px);
}
.topbar-left { display: flex; align-items: center; gap: 13px; }
.mobile-brand { display: none; align-items: center; gap: 9px; font: 800 15px var(--display); }
.mobile-brand img { width: 29px; height: 29px; border-radius: 8px; }
.breadcrumb { color: var(--muted); font: 10px var(--mono); letter-spacing: 1px; text-transform: uppercase; }
.topbar-status { display: flex; align-items: center; gap: 8px; color: var(--ink-soft); font-size: 11px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.menu-toggle { display: none; width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); cursor: pointer; }
.menu-glyph { display: grid; gap: 4px; }
.menu-glyph i { display: block; width: 15px; height: 1.5px; border-radius: 2px; background: var(--ink); }
.mobile-backdrop { display: none; }
.page-wrap { width: min(1200px, 100%); margin: auto; padding: 35px clamp(22px, 4vw, 56px) 72px; }
.page-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 27px; }
.eyebrow { margin: 0 0 9px; color: var(--green); font: 500 10px var(--mono); letter-spacing: 1.6px; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
.page-heading h1 { margin-bottom: 8px; font: 700 clamp(27px, 3.2vw, 39px)/1.08 var(--display); letter-spacing: -1.8px; }
.page-heading p { max-width: 540px; margin-bottom: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.6; }
.btn {
  min-height: 39px; display: inline-flex; justify-content: center; align-items: center; gap: 8px;
  padding: 0 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface);
  color: var(--ink); text-decoration: none; font-size: 12px; font-weight: 700; cursor: pointer;
  transition: background .18s, border-color .18s, transform .18s;
}
.btn:hover { border-color: #a9c7af; background: #f5faf2; transform: translateY(-1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-primary { border-color: var(--green); background: var(--green); color: #fff; }
.btn-primary:hover { border-color: var(--green-dark); background: var(--green-dark); }
.btn-quiet { border-color: transparent; background: transparent; color: var(--green-dark); }
.auth-page { min-height: 100dvh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 15% 20%, #e6f0df, transparent 34%), var(--paper); }
.auth-card { width: min(100%, 460px); padding: clamp(24px, 5vw, 42px); border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: var(--shadow); }
.auth-brand { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 28px; color: var(--ink); text-decoration: none; font: 800 17px var(--display); }
.auth-card h1 { margin-bottom: 9px; font: 750 29px/1.15 var(--display); letter-spacing: -1px; }
.auth-intro { margin-bottom: 23px; color: var(--ink-soft); font-size: 13px; line-height: 1.6; }
.auth-card form { display: grid; gap: 15px; }
.auth-submit { width: 100%; min-height: 44px; margin-top: 3px; }
.auth-links { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-top: 20px; color: var(--ink-soft); font-size: 12px; }
.auth-links a { color: var(--green-dark); font-weight: 700; }
.auth-message { min-height: 16px; margin: 0; color: var(--danger); font-size: 12px; line-height: 1.45; }
.auth-consent, .auth-toggle { display: flex; align-items: center; gap: 8px; color: var(--ink-soft); font-size: 12px; }
.account-chip { max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink); font-weight: 700; }
.account-logout { min-height: 32px; padding: 0 10px; }
.panel { min-width: 0; padding: 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); box-shadow: var(--shadow); }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 18px; }
.panel-heading h2 { margin: 0; font: 700 16px var(--display); letter-spacing: -.4px; }
.panel-heading p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.grid { display: grid; gap: 16px; }
.dashboard-grid { grid-template-columns: minmax(0, 1.55fr) minmax(250px, .8fr); align-items: start; }
.item-card { min-width: 0; padding: 15px; border: 1px solid var(--line); border-radius: 9px; background: #fffefa; }
.pill { display: inline-flex; align-items: center; gap: 5px; padding: 5px 8px; border-radius: 99px; background: var(--green-soft); color: var(--green-dark); font: 500 10px var(--mono); }
.hint { color: var(--muted); font-size: 12px; line-height: 1.55; }
.citation { display: inline-flex; align-items: center; color: #6c7d70; font: 10px var(--mono); letter-spacing: .1px; }
.form-field { display: grid; gap: 7px; color: var(--ink-soft); font-size: 12px; font-weight: 600; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; min-height: 42px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  background: #fffefa; color: var(--ink); font-size: 13px;
}
.form-field textarea { min-height: 100px; resize: vertical; }
.code-editor { overflow: auto; padding: 15px; border: 1px solid #dbe4d7; border-radius: 8px; background: #f1f5ec; color: #284b3b; font: 12px/1.6 var(--mono); }
.model-graph { min-height: 150px; display: grid; place-items: center; border: 1px dashed #c6d5c7; border-radius: 9px; background: radial-gradient(circle at center, #f6faef, #edf3e9); }
.trace-list { display: grid; gap: 8px; padding: 0; list-style: none; }
.answer-option { display: flex; align-items: flex-start; gap: 10px; padding: 12px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
.flashcard { min-height: 220px; display: grid; place-items: center; padding: 28px; border: 1px solid #d2e2ce; border-radius: 13px; background: #eef5e7; text-align: center; }
.recommendation { padding: 14px; border-left: 3px solid var(--green); border-radius: 0 8px 8px 0; background: #f1f6ed; }
.empty-state { display: grid; justify-items: start; padding: 29px 23px; border: 1px dashed #c9d9c8; border-radius: 10px; background: #f8faf4; }
.empty-state h3 { margin: 8px 0 5px; font: 700 15px var(--display); }
.empty-state p { max-width: 440px; margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.6; }
.empty-glyph { display: grid; width: 31px; height: 31px; place-items: center; border-radius: 9px; background: var(--green-soft); color: var(--green-dark); font-size: 18px; }
.toast-region { position: fixed; right: 22px; bottom: 22px; z-index: 50; display: grid; gap: 9px; width: min(360px, calc(100vw - 32px)); }
.toast { padding: 13px 15px; border: 1px solid #b9d7c1; border-radius: 9px; background: #f8fff6; box-shadow: var(--shadow); color: var(--ink); font-size: 12px; animation: toast-in .24s ease both; }
.toast.error { border-color: #e6c0b9; background: #fff8f5; color: #803e34; }
.upload-zone { position: relative; display: grid; min-height: 205px; justify-items: center; align-content: center; padding: 22px; border: 1px dashed #a6c8ae; border-radius: 10px; background: #f5faf1; text-align: center; cursor: pointer; transition: background .2s, border-color .2s; }
.upload-zone:hover, .upload-zone.dragover { border-color: var(--green); background: #edf7e9; }
.upload-zone input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.upload-mark { display: grid; width: 43px; height: 43px; place-items: center; margin-bottom: 12px; border-radius: 12px; background: var(--green-soft); color: var(--green-dark); font-size: 21px; }
.upload-zone strong { margin-bottom: 6px; font: 700 14px var(--display); }
.upload-zone span { color: var(--muted); font-size: 11px; }
.progress-track { height: 4px; overflow: hidden; border-radius: 99px; background: #e2e9de; }
.progress-track span { display: block; width: 36%; height: 100%; border-radius: inherit; background: var(--green); animation: progress 1.1s ease-in-out infinite alternate; }
.loading-skeleton { height: 64px; border-radius: 8px; background: linear-gradient(90deg, #edf2e9 25%, #f7f8f2 50%, #edf2e9 75%); background-size: 200% 100%; animation: shimmer 1.4s ease infinite; }
.mobile-nav { display: none; }
.knowledge-item-list { grid-template-columns: repeat(auto-fit, minmax(185px, 1fr)); }
.knowledge-item { display: grid; gap: 8px; width: 100%; text-align: left; cursor: pointer; transition: border-color .18s, background .18s, transform .18s; }
.knowledge-item:hover { border-color: #a5c9ac; transform: translateY(-1px); }
.knowledge-item.is-selected { border-color: #74ae88; background: #f0f8ed; box-shadow: inset 3px 0 var(--green); }
.knowledge-item-title { font: 700 13px var(--display); }
.knowledge-review { margin-top: 16px; }
.knowledge-review-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: -5px 0 14px; color: var(--ink-soft); font-size: 12px; }
.knowledge-metadata { display: grid; grid-template-columns: repeat(auto-fit, minmax(145px, 1fr)); gap: 9px; margin: 0 0 15px; }
.knowledge-metadata > div { padding: 10px 11px; border-radius: 8px; background: #f4f7f0; }
.knowledge-metadata dt { color: var(--muted); font: 9px var(--mono); letter-spacing: 1px; text-transform: uppercase; }
.knowledge-metadata dd { margin: 5px 0 0; overflow-wrap: anywhere; font-size: 11px; font-weight: 600; }
.knowledge-page, .knowledge-source, .knowledge-full-text { margin-top: 10px; border: 1px solid var(--line); border-radius: 8px; background: #fbfcf7; }
.knowledge-page summary, .knowledge-source summary, .knowledge-full-text summary { padding: 11px 13px; color: var(--ink); cursor: pointer; font-size: 12px; font-weight: 700; }
.knowledge-page > .code-editor, .knowledge-source > .code-editor, .knowledge-full-text > .code-editor { margin: 0 11px 11px; }
.knowledge-sections { display: grid; gap: 9px; padding: 0 11px 11px; }
.knowledge-section { padding: 11px; border-radius: 7px; background: #f2f6ef; }
.knowledge-section h4, .knowledge-missing h4 { margin: 0 0 8px; font: 700 12px var(--display); }
.knowledge-section .code-editor { margin: 0; }
.knowledge-missing { padding: 12px 14px; border-left: 3px solid #c28c49; border-radius: 0 8px 8px 0; background: #fbf5e9; color: #644d2f; font-size: 12px; }
.knowledge-missing ul { margin: 7px 0 0; padding-left: 18px; line-height: 1.6; }
.knowledge-error, .automata-error, .error { padding: 11px 13px; border: 1px solid #e4c4bb; border-radius: 8px; background: #fff8f5; color: #873f36; font-size: 12px; line-height: 1.5; }
.automata-selectors { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin: 15px 0; }
.automata-selected-item { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin: 14px 0; padding: 12px; border-radius: 8px; background: #f3f7ef; font-size: 12px; }
.automata-generate, .automata-actions, .study-actions, .automata-step-controls { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; margin-top: 14px; }
.automata-definition { margin-top: 14px; }
.automata-model-summary { display: flex; flex-wrap: wrap; gap: 7px; margin: 10px 0; }
.automata-alphabet { display: flex; gap: 6px; flex-wrap: wrap; }
.model-graph { overflow: hidden; padding: 12px; }
.model-graph svg { display: block; width: min(100%, 680px); height: auto; max-height: 340px; }
.automata-state { fill: #fffefa; stroke: #609b70; stroke-width: 2; }
.automata-state-label { fill: #18362c; font: 13px var(--mono); }
.automata-edge-label { fill: #4d6855; font: 11px var(--mono); }
.automata-start { stroke: var(--green); }
.automata-accepting { stroke-width: 3; }
.automata-start-label { fill: var(--green-dark); font: 11px var(--mono); }
.automata-result { margin-top: 12px; padding: 12px; border-radius: 8px; background: #eef5e8; }
.automata-result.error { background: #fff8f5; }
.automata-tape { display: flex; gap: 4px; flex-wrap: wrap; margin: 10px 0; }
.automata-tape span { min-width: 28px; padding: 7px; border: 1px solid var(--line); border-radius: 5px; background: #fffefa; text-align: center; font: 11px var(--mono); }
.trace-list { margin: 12px 0; }
.trace-step { display: grid; grid-template-columns: 28px 1fr; gap: 10px; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: #fffefa; color: var(--ink-soft); font-size: 12px; }
.trace-step.processed { border-color: #9ec7a4; background: #f1f8ed; }
.guided-sim-form { padding: 14px; border: 1px solid #a9c7a7; border-radius: 10px; background: #f1f7ed; }
.guided-example { margin-bottom: 12px; padding: 12px 14px; border-left: 3px solid var(--green); border-radius: 0 8px 8px 0; background: #e4efdf; }
.guided-example strong, .guided-walkthrough > div:first-child strong { display: block; font: 700 14px var(--display); color: var(--ink); }
.guided-example p, .guided-walkthrough p { margin: 5px 0 0; color: var(--ink-soft); font-size: 12px; line-height: 1.5; }
.guided-walkthrough { margin-top: 14px; padding: 14px; border: 1px solid #9abb9a; border-radius: 10px; background: #f1f7ed; }
.guided-walkthrough > div:first-child { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.guided-walkthrough > div:first-child span { color: var(--green-dark); font-size: 11px; font-weight: 700; }
.guided-step-controls { margin-top: 12px; padding-top: 10px; border-top: 1px solid #cfddca; }
.guided-step-controls > span { flex: 1 1 100%; color: var(--ink-soft); font-size: 11px; font-weight: 700; }
.guided-trace-list { padding-left: 0; }
.guided-trace-list .trace-step-active { border-color: #70a879; background: #e4f1e1; box-shadow: inset 3px 0 var(--green); }
.answer-options { display: grid; gap: 8px; }
.answer-option:hover { border-color: #a8c9ad; background: #f7faf4; }
.quiz-question { display: grid; gap: 13px; }
.quiz-feedback { padding: 12px 14px; border-radius: 8px; background: #edf5e9; color: var(--ink); font-size: 12px; line-height: 1.55; }
.recommendation { margin-bottom: 10px; }
.recommendation p { margin: 9px 0; color: var(--ink-soft); font-size: 12px; line-height: 1.55; }
.research-evidence pre { max-height: 360px; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; }
.concept-card { margin-bottom: 13px; background: #f5f8ef; }
.flashcard { cursor: pointer; transition: transform .2s; }
.flashcard:hover { transform: translateY(-2px); }
.flashcard h3 { max-width: 620px; font: 700 clamp(18px, 3vw, 26px)/1.35 var(--display); letter-spacing: -.6px; }
.study-actions { margin-top: 14px; }
.item-card > .study-actions { margin-top: 14px; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes shimmer { to { background-position: -200% 0; } }
@keyframes progress { from { transform: translateX(-30%); } to { transform: translateX(210%); } }
@media (max-width: 1000px) {
  .sidebar { width: 210px; }
  .main-area { margin-left: 210px; }
  .dashboard-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .sidebar { display: none; }
  body.nav-open .sidebar { position: fixed; z-index: 45; inset: 0 auto 0 0; display: flex; width: min(82vw, 286px); box-shadow: 18px 0 48px rgba(13,41,28,.22); }
  body.nav-open .mobile-backdrop { position: fixed; z-index: 40; inset: 0; display: block; background: rgba(16,39,29,.38); }
  .main-area { margin-left: 0; padding-bottom: 68px; }
  .topbar { height: 58px; padding: 0 16px; }
  .mobile-brand { display: flex; }
  .breadcrumb { display: none; }
  .menu-toggle { display: inline-grid; place-items: center; }
  .page-wrap { padding: 27px 16px 42px; }
  .page-heading { align-items: flex-start; flex-direction: column; gap: 16px; margin-bottom: 22px; }
  .page-heading h1 { font-size: 30px; }
  .page-heading > .btn { align-self: stretch; }
  .panel { padding: 17px; }
  .mobile-nav {
    position: fixed; z-index: 30; inset: auto 0 0; display: grid; grid-template-columns: repeat(6, 1fr);
    padding: 7px 4px calc(7px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line);
    background: rgba(255,254,250,.96); backdrop-filter: blur(14px);
  }
  .mobile-nav .nav-link { display: grid; justify-items: center; align-content: center; gap: 3px; min-height: 48px; padding: 2px; border: 0; border-radius: 7px; color: var(--muted); font-size: 8px; }
  .mobile-nav .nav-link.active { background: var(--green-soft); color: var(--green-dark); }
  .mobile-nav .nav-icon { width: auto; height: 19px; font-size: 16px; }
  .topbar-status { font-size: 0; }
  .topbar-status .status-dot { width: 8px; height: 8px; }
  .knowledge-item-list { grid-template-columns: 1fr; }
  .automata-selectors { grid-template-columns: 1fr; }
  .study-actions > .btn { flex: 1 1 auto; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* Adaptive study support: progressive detail stays close to the action. */
.info-wrap { position: relative; display: inline-flex; vertical-align: middle; margin-left: 4px; }
.info-trigger {
  display: inline-grid; width: 17px; height: 17px; place-items: center; padding: 0;
  border: 1px solid #9eb7a2; border-radius: 50%; background: #f7faf3; color: #416c51;
  font: 500 10px var(--mono); line-height: 1; cursor: help;
}
.info-trigger:hover, .info-trigger[aria-expanded="true"] { border-color: var(--green); background: var(--green-soft); }
.info-popover {
  position: absolute; z-index: 60; left: 50%; bottom: calc(100% + 9px); display: none;
  width: min(270px, calc(100vw - 38px)); padding: 12px 13px; border: 1px solid #c9d8ca;
  border-radius: 9px; background: #fffefa; box-shadow: 0 12px 32px rgba(27, 57, 40, .16);
  color: var(--ink); font: 500 11px/1.55 var(--body); text-align: left; white-space: normal;
  transform: translateX(-50%);
}
.info-wrap:hover .info-popover, .info-wrap:focus-within .info-popover, .info-wrap.is-open .info-popover { display: block; }
.info-wrap.is-dismissed .info-popover { display: none; }
.term-explainer { display: inline-flex; align-items: center; gap: 1px; color: inherit; }
.quiz-topline { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.quiz-topline > .hint { margin: 0; }
.focus-chip { padding: 6px 9px; border: 1px solid #d6e2cf; border-radius: 99px; background: #f2f7ec; color: var(--ink-soft); font-size: 10px; }
.focus-chip strong { color: var(--green-dark); }
.empathic-result { display: grid; gap: 12px; padding: 15px; border: 1px solid #bfd3bf; border-radius: 10px; background: #f3f7ed; }
.result-summary { display: grid; grid-template-columns: .7fr 1.2fr 1fr; gap: 10px; align-items: center; }
.result-summary > div { display: grid; align-content: start; gap: 5px; min-width: 0; }
.result-summary strong { font: 700 13px var(--display); overflow-wrap: anywhere; }
.result-outcome { color: var(--green-dark); }
.state-badge { display: inline-flex; align-items: center; width: max-content; max-width: 100%; gap: 3px; padding: 5px 8px; border: 1px solid #c4d7c3; border-radius: 99px; background: #e8f2e4; color: #315f43; font-size: 10px; font-weight: 700; }
.state-struggling, .state-uncertain { border-color: #e0cda9; background: #f8f0df; color: #76552b; }
.state-avoiding, .state-low-engagement { border-color: #d7d4bf; background: #f4f1e6; color: #686044; }
.state-confident { border-color: #b8d5c1; background: #e4f2e7; color: #286344; }
.state-no-inference { border-color: #d7dfd4; background: #f0f3ed; color: #52645a; }
.state-badge .info-wrap, .focus-chip .info-wrap { margin: 0; }
.state-label-trigger .info-trigger-text, .focus-label-trigger .info-trigger-text {
  width: auto; height: auto; padding: 0; border: 0; border-radius: inherit; background: transparent;
  color: inherit; font: inherit; line-height: inherit; text-align: left; cursor: help;
}
.state-label-trigger .info-trigger-text:hover, .focus-label-trigger .info-trigger-text:hover { border: 0; background: transparent; }
.focus-chip .focus-label-trigger .info-trigger-text { font-size: inherit; font-weight: 600; }
.behavior-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; }
.behavior-strip > span { display: flex; align-items: center; flex-wrap: wrap; gap: 3px; min-height: 48px; padding: 8px 9px; border: 1px solid rgba(190, 208, 189, .7); border-radius: 7px; background: rgba(255,254,250,.75); }
.behavior-strip small { width: 100%; color: var(--muted); font: 9px var(--mono); letter-spacing: .5px; text-transform: uppercase; }
.behavior-strip strong { color: var(--ink); font-size: 11px; }
.result-source { display: flex; align-items: center; gap: 3px; color: var(--ink-soft); font-size: 11px; }
.result-note { margin: 0; color: var(--ink-soft); font-size: 11px; line-height: 1.5; }
.result-explanation { padding-top: 9px; border-top: 1px solid #dce6d8; color: var(--ink-soft); font-size: 11px; }
.result-explanation summary { width: max-content; color: var(--green-dark); cursor: pointer; font-weight: 700; }
.result-explanation p { margin: 8px 0 0; line-height: 1.6; }
.personalized-support { padding: 13px 14px; border: 1px solid #d9e3d5; border-radius: 8px; background: rgba(255,254,250,.85); }
.support-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.support-heading .eyebrow { margin-bottom: 5px; }
.support-heading p { margin: 0; font: 700 13px/1.45 var(--display); color: var(--ink); }
.support-recommendation { display: flex; align-items: center; margin: 9px 0 0; color: var(--ink-soft); font-size: 11px; }
.support-actions { gap: 6px; }
.support-actions .btn { min-height: 34px; padding: 0 10px; font-size: 10px; }
.support-limit { margin: 9px 0 0; }
.learning-journey { background: #f8faf4; }
.learning-journey .panel-heading { margin-bottom: 12px; }
.learning-journey .panel-heading h2 { font-size: 15px; }
.journey-track { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.journey-track > div { position: relative; display: grid; align-content: start; gap: 7px; min-width: 0; padding: 12px; border: 1px solid #dce5d8; border-radius: 8px; background: rgba(255,254,250,.85); }
.journey-track > div:not(:last-child)::after { position: absolute; top: 50%; right: -9px; z-index: 1; width: 9px; border-top: 1px solid #9db59f; content: ""; }
.journey-track strong { font: 700 11px/1.4 var(--display); overflow-wrap: anywhere; }
.journey-track .state-badge { font-size: 10px; }
.journey-actions { display: flex; gap: 8px; margin-top: 11px; }
.journey-evidence { margin-top: 10px; }
.research-evidence { margin-top: 13px; }
.behavior-research { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin: 12px 0; }
.behavior-research > div { padding: 9px 10px; border-radius: 7px; background: #f2f6ef; }
.behavior-research dt { color: var(--muted); font: 9px var(--mono); letter-spacing: .7px; text-transform: uppercase; }
.behavior-research dd { margin: 5px 0 0; color: var(--ink); font-size: 11px; line-height: 1.45; overflow-wrap: anywhere; }
.dashboard-journey { background: #eef4e9; }
.dashboard-journey .journey-track > div { background: rgba(255,254,250,.9); }
.dashboard-journey .eyebrow { margin-bottom: 5px; }
.dashboard-journey .panel-heading p:last-child { margin-bottom: 0; }
.automata-model-summary .info-wrap, .automata-alphabet .info-wrap { margin-left: 2px; }
@media (max-width: 700px) {
  .result-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .behavior-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .journey-track { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .journey-track > div:nth-child(2)::after { display: none; }
  .journey-actions { flex-wrap: wrap; }
  .behavior-research { grid-template-columns: 1fr; }
  .support-heading { gap: 7px; }
  .info-popover { left: 0; transform: none; }
}