/* ============================================================
   PSY220 · Adolescent Psychology — Companion Site
   Botanical "Growth" theme. Guide: Bodhi (a little potted plant).
   Shared stylesheet.
   ============================================================ */

:root{
  --green-900:#1d3a2e;
  --green-800:#265240;
  --green-700:#2f6b52;
  --green-600:#3c8a68;
  --green-500:#4faa80;
  --green-400:#6fc79c;
  --green-300:#a6e0c2;
  --green-100:#e4f4ec;
  --sage:#8bab8f;
  --terracotta:#c96f4a;
  --terracotta-soft:#e6a184;
  --clay:#b0552f;
  --gold:#d9a441;
  --cream:#f7f4ec;
  --cream-2:#efe9db;
  --ink:#26332c;
  --ink-soft:#4a5b51;
  --white:#ffffff;
  --shadow:0 10px 30px rgba(29,58,46,.12);
  --shadow-lg:0 24px 60px rgba(29,58,46,.20);
  --radius:18px;
  --radius-sm:12px;
  --maxw:1080px;
  --font-head:"Fraunces","Georgia",serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400..900;1,9..144,400..700&family=Inter:wght@400;500;600;700&display=swap');

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:
    radial-gradient(1200px 500px at 80% -10%, #eaf6ee 0%, rgba(234,246,238,0) 60%),
    radial-gradient(900px 500px at -10% 10%, #f3ede0 0%, rgba(243,237,224,0) 55%),
    var(--cream);
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:var(--green-700);text-decoration:none}
a:hover{text-decoration:underline}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.narrow{max-width:760px}

/* ---------- Top nav ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(1.3) blur(10px);
  background:rgba(247,244,236,.82);
  border-bottom:1px solid rgba(47,107,82,.14);
}
.topbar .wrap{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:800;color:var(--green-800);font-size:1.12rem;letter-spacing:-.01em}
.brand .seed{width:30px;height:30px;flex:0 0 auto}
.nav-links{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
.nav-links a{
  padding:8px 13px;border-radius:999px;color:var(--ink-soft);font-weight:600;font-size:.9rem;
}
.nav-links a:hover{background:var(--green-100);color:var(--green-800);text-decoration:none}
.nav-links a.active{background:var(--green-700);color:#fff}
.menu-btn{display:none;margin-left:auto;background:var(--green-700);color:#fff;border:0;border-radius:10px;padding:9px 12px;font-weight:600;cursor:pointer}

/* text-size adjuster (A- / A / A+) */
.text-size-ctl{margin-left:auto;display:flex;align-items:center;gap:2px;background:var(--green-100);border:1px solid rgba(47,107,82,.16);border-radius:999px;padding:3px;flex:0 0 auto}
.text-size-ctl button{border:0;background:transparent;color:var(--green-800);font-family:var(--font-body);font-weight:700;cursor:pointer;border-radius:999px;padding:4px 9px;line-height:1}
.text-size-ctl button:hover{background:#fff}
.text-size-ctl button:active{transform:translateY(1px)}
.text-size-ctl .ts-a1{font-size:.78rem}
.text-size-ctl .ts-a2{font-size:.95rem}
.text-size-ctl .ts-a3{font-size:1.12rem}
.text-size-ctl + .menu-btn{margin-left:8px}
.text-size-ctl + .nav-links{margin-left:0}
@media(max-width:860px){.text-size-ctl{margin-left:auto}}
@media(max-width:860px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--cream);padding:12px;border-bottom:1px solid rgba(47,107,82,.14)}
  .nav-links.open{display:flex}
  .menu-btn{display:block}
}

/* ---------- Hero ---------- */
.hero{padding:70px 0 40px;position:relative;overflow:hidden}
.hero h1{font-family:var(--font-head);font-size:clamp(2.3rem,5vw,3.8rem);line-height:1.02;margin:.2em 0 .3em;color:var(--green-900);letter-spacing:-.02em}
.hero p.lead{font-size:1.2rem;max-width:620px;color:var(--ink-soft)}
.eyebrow{display:inline-block;font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.72rem;color:var(--terracotta);background:#fbeee6;padding:6px 12px;border-radius:999px}

/* ---------- Cards / grid ---------- */
.grid{display:grid;gap:20px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}}

.card{
  background:var(--white);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);
  border:1px solid rgba(47,107,82,.08);position:relative;transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}

/* Lesson tiles on home */
.lesson-tile{display:flex;flex-direction:column;min-height:210px;text-decoration:none;color:inherit;overflow:hidden}
.lesson-tile:hover{text-decoration:none}
.lesson-tile .num{font-family:var(--font-head);font-weight:800;font-size:2.4rem;color:var(--green-300);line-height:1;margin-bottom:6px}
.lesson-tile h3{margin:.1em 0 .4em;font-family:var(--font-head);font-size:1.28rem;color:var(--green-900);letter-spacing:-.01em}
.lesson-tile p{margin:0;color:var(--ink-soft);font-size:.94rem}
.lesson-tile .go{margin-top:auto;padding-top:12px;font-weight:700;color:var(--terracotta);font-size:.9rem}
.tile-strip{height:6px;border-radius:999px;background:linear-gradient(90deg,var(--green-500),var(--green-300));margin-bottom:14px}

/* ---------- Section headings ---------- */
.section{padding:44px 0}
.section h2{font-family:var(--font-head);font-size:clamp(1.6rem,3vw,2.3rem);color:var(--green-900);letter-spacing:-.01em;margin:.2em 0 .5em}
.section h3{font-family:var(--font-head);color:var(--green-800);font-size:1.35rem;margin:1.4em 0 .4em}
.kicker{font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.74rem;color:var(--green-600)}

/* ---------- Lesson page scaffolding ---------- */
.lesson-head{padding:52px 0 26px;position:relative}
.crumbs{font-size:.85rem;color:var(--ink-soft);margin-bottom:12px}
.crumbs a{color:var(--green-700);font-weight:600}
.lesson-head .unit-num{font-family:var(--font-head);font-weight:800;font-size:1rem;color:var(--terracotta);letter-spacing:.05em}
.lesson-head h1{font-family:var(--font-head);font-size:clamp(2rem,4.4vw,3.1rem);color:var(--green-900);margin:.1em 0 .3em;letter-spacing:-.02em;line-height:1.05}
.lesson-head .sub{font-size:1.12rem;color:var(--ink-soft);max-width:none;line-height:1.65}

.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.pill{background:var(--green-100);color:var(--green-800);border-radius:999px;padding:6px 13px;font-size:.82rem;font-weight:600}

/* Prose blocks */
.prose{max-width:760px}
.prose p{margin:.7em 0 1em}
.prose ul{padding-left:1.15em}
.prose li{margin:.35em 0}
.lead-in{font-size:1.12rem;color:var(--green-800);font-weight:500}

/* ---------- Bodhi the potted plant ---------- */
.bodhi-tip{
  display:flex;gap:16px;align-items:flex-start;
  background:linear-gradient(180deg,#effaf2,#e4f4ec);
  border:1px solid var(--green-300);border-left:6px solid var(--green-500);
  border-radius:var(--radius);padding:18px 20px;margin:26px 0;box-shadow:var(--shadow);
}
.bodhi-tip .avatar{flex:0 0 auto;width:56px;height:56px}
.bodhi-tip .body{flex:1}
.bodhi-tip .who{font-family:var(--font-head);font-weight:700;color:var(--green-800);font-size:1rem;margin-bottom:2px}
.bodhi-tip .who small{font-family:var(--font-body);font-weight:600;color:var(--sage);text-transform:uppercase;letter-spacing:.1em;font-size:.66rem;margin-left:8px}
.bodhi-tip p{margin:.2em 0 0;color:var(--ink)}
.bodhi-tip.terra{background:linear-gradient(180deg,#fdf1ea,#f9e6db);border-color:var(--terracotta-soft);border-left-color:var(--terracotta)}
.bodhi-tip.terra .who{color:var(--clay)}

/* ---------- Callouts ---------- */
.callout{border-radius:var(--radius-sm);padding:18px 20px;margin:22px 0;border:1px solid}
.callout .tag{font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:.7rem;display:inline-block;margin-bottom:6px}
.callout p{margin:.3em 0}
.callout.data{background:#fbf6e9;border-color:#ecd9a3}
.callout.data .tag{color:var(--clay)}
.callout.gap{background:#f0f6ff;border-color:#c4d8f0}
.callout.gap .tag{color:#2f5c9e}
.callout.debate{background:#f6f0fa;border-color:#dcc7ea}
.callout.debate .tag{color:#7a4b9e}
.callout.care{background:#fdf0f0;border-color:#f0c9c9}
.callout.care .tag{color:#b5423f}
.callout .src{font-size:.8rem;color:var(--ink-soft);margin-top:6px}

/* Stat chips */
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:22px 0}
.stat{background:var(--green-900);color:#eafff2;border-radius:var(--radius-sm);padding:18px;text-align:center}
.stat .big{font-family:var(--font-head);font-weight:800;font-size:2rem;color:#fff;line-height:1;display:block}
.stat .lbl{font-size:.82rem;color:var(--green-300);margin-top:6px;display:block}
.stat.terra{background:var(--clay);color:#fff2ea}
.stat.terra .lbl{color:#f3c9b4}
.stat.gold{background:var(--gold);color:#3a2a06}
.stat.gold .big{color:#3a2a06}
.stat.gold .lbl{color:#6b5216}

/* ---------- Interactive: reveal / flip cards ---------- */
.reveal-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin:22px 0}
.flip{perspective:1200px;cursor:pointer}
.flip .inner{position:relative;width:100%;display:grid;transition:transform .55s;transform-style:preserve-3d}
.flip.flipped .inner{transform:rotateY(180deg)}
.flip .face{grid-area:1/1;min-height:170px;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:var(--radius-sm);padding:18px;display:flex;flex-direction:column;justify-content:center;box-shadow:var(--shadow)}
.flip .front{background:var(--white);border:1px solid var(--green-300)}
.flip .front .q{font-family:var(--font-head);font-weight:700;color:var(--green-800);font-size:1.06rem}
.flip .front .hint{margin-top:8px;font-size:.8rem;color:var(--sage);font-weight:600}
.flip .back{background:var(--green-700);color:#eafff2;transform:rotateY(180deg)}
.flip .back p{margin:0;font-size:.95rem}

/* ---------- Interactive: tabs / accordion ---------- */
.acc{border:1px solid rgba(47,107,82,.16);border-radius:var(--radius-sm);overflow:hidden;margin:14px 0;background:#fff}
.acc-head{padding:15px 18px;font-weight:700;color:var(--green-800);cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-family:var(--font-head)}
.acc-head:hover{background:var(--green-100)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 18px}
.acc.open .acc-body{max-height:600px;padding-bottom:16px}
.acc-head .chev{transition:transform .3s}
.acc.open .chev{transform:rotate(180deg)}

/* ---------- Interactive: slider / labeled diagram ---------- */
.interactive{background:linear-gradient(180deg,#fff,#f4f9f5);border:1px solid var(--green-300);border-radius:var(--radius);padding:24px;margin:26px 0;box-shadow:var(--shadow)}
.interactive h4{font-family:var(--font-head);margin:.1em 0 .3em;color:var(--green-900);font-size:1.2rem}
.interactive .instru{font-size:.9rem;color:var(--ink-soft);margin-bottom:14px}
.range{width:100%;accent-color:var(--green-600);height:6px}
.hotspot-wrap{position:relative;display:inline-block;max-width:100%}
.hotspot{position:absolute;width:30px;height:30px;border-radius:50%;background:var(--terracotta);color:#fff;border:0;font-weight:700;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.25);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(201,111,74,.5)}70%{box-shadow:0 0 0 12px rgba(201,111,74,0)}100%{box-shadow:0 0 0 0 rgba(201,111,74,0)}}

/* ---------- Interactive: sort / match buttons ---------- */
.sorter{display:grid;gap:10px;margin:18px 0}
.sort-item{background:#fff;border:2px solid var(--green-300);border-radius:12px;padding:12px 14px;cursor:pointer;font-weight:600;color:var(--green-800);transition:all .15s}
.sort-item:hover{border-color:var(--green-500)}
.sort-item.correct{background:#e4f4ec;border-color:var(--green-600)}
.sort-item.wrong{background:#fdece8;border-color:var(--terracotta)}
.choice-set{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.choice{background:var(--cream-2);border:1px solid rgba(47,107,82,.2);border-radius:999px;padding:6px 12px;font-size:.85rem;cursor:pointer;font-weight:600}
.choice.sel{background:var(--green-700);color:#fff;border-color:var(--green-700)}

/* ---------- Quiz engine ---------- */
.quiz{background:var(--green-900);border-radius:var(--radius);padding:28px;margin:34px 0;color:#eafff2;box-shadow:var(--shadow-lg)}
.quiz h3{font-family:var(--font-head);color:#fff;margin:.1em 0 .2em;font-size:1.5rem}
.quiz .qsub{color:var(--green-300);font-size:.94rem;margin-bottom:18px}
.q{margin:20px 0;padding:18px;background:rgba(255,255,255,.05);border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.1)}
.q .qtext{font-weight:600;color:#fff;margin-bottom:12px}
.q .opt{display:block;width:100%;text-align:left;background:rgba(255,255,255,.06);border:1.5px solid rgba(255,255,255,.16);color:#eafff2;padding:11px 14px;border-radius:10px;margin:7px 0;cursor:pointer;font:inherit;font-size:.95rem;transition:all .14s}
.q .opt:hover{background:rgba(255,255,255,.13);border-color:var(--green-400)}
.q .opt.correct{background:rgba(79,170,128,.32);border-color:var(--green-400)}
.q .opt.incorrect{background:rgba(201,111,74,.32);border-color:var(--terracotta)}
.q .opt:disabled{cursor:default}
.q .explain{margin-top:10px;font-size:.9rem;color:var(--green-100);background:rgba(0,0,0,.2);border-radius:10px;padding:12px;display:none}
.q .explain.show{display:block}
.q .explain b{color:var(--gold)}
.quiz-score{margin-top:16px;font-family:var(--font-head);font-size:1.15rem;color:var(--gold);font-weight:700;min-height:1.4em}
.btn{background:var(--terracotta);color:#fff;border:0;border-radius:999px;padding:11px 22px;font-weight:700;cursor:pointer;font-size:.95rem}
.btn:hover{background:var(--clay)}
.btn.ghost{background:transparent;border:1.5px solid var(--green-400);color:var(--green-300)}

/* ---------- Prev/Next nav ---------- */
.lesson-nav{display:flex;justify-content:space-between;gap:14px;margin:42px 0 10px;flex-wrap:wrap}
.lesson-nav a{flex:1;min-width:220px;background:#fff;border:1px solid rgba(47,107,82,.14);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow)}
.lesson-nav a:hover{text-decoration:none;transform:translateY(-2px)}
.lesson-nav .dir{font-size:.74rem;text-transform:uppercase;letter-spacing:.1em;color:var(--terracotta);font-weight:700}
.lesson-nav .ttl{font-family:var(--font-head);color:var(--green-900);font-weight:700}
.lesson-nav a.next{text-align:right}

/* ---------- Footer ---------- */
footer{margin-top:60px;background:var(--green-900);color:#cfe9d9;padding:40px 0}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center}
footer a{color:var(--green-300)}
footer .fbrand{font-family:var(--font-head);font-weight:800;color:#fff;font-size:1.1rem;display:flex;align-items:center;gap:10px}
.small{font-size:.82rem;color:var(--sage)}

/* progress dots for course arc */
.arc-line{display:flex;align-items:center;gap:0;flex-wrap:wrap;margin:24px 0}
.arc-node{display:flex;flex-direction:column;align-items:center;gap:6px;flex:1;min-width:70px;text-align:center}
.arc-node .dot{width:20px;height:20px;border-radius:50%;background:var(--green-500);border:3px solid var(--cream)}
.arc-node .lbl{font-size:.68rem;color:var(--ink-soft);font-weight:600}

/* reveal on scroll */
.fade-up{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.fade-up.in{opacity:1;transform:none}

/* references (APA 7) */
.refs-section{margin:44px 0 8px}
.refs-section h2{font-family:var(--font-head);color:var(--green-900);font-size:1.4rem;margin:0 0 4px}
.refs-section .refs-note{font-size:.82rem;color:var(--ink-soft);margin:0 0 14px}
.refs{font-size:.86rem;color:var(--ink-soft);line-height:1.55}
.refs p{padding-left:2.2em;text-indent:-2.2em;margin:.55em 0}
.refs i,.refs em{color:var(--ink)}

/* misc */
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(47,107,82,.25),transparent);margin:36px 0}
mark.hl{background:linear-gradient(180deg,transparent 55%,#fce7a0 55%);padding:0 2px}
.tagline-note{font-size:.86rem;color:var(--ink-soft);font-style:italic}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:720px){.two-col{grid-template-columns:1fr}}

/* ---------- Lecture slide images (figimg / figgrid) — added 2026-07-07 ---------- */
.figgrid{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin:26px 0}
.figimg{margin:0;width:min(100%,320px);background:var(--white);border-radius:var(--radius-sm);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}
.figimg img{display:block;width:100%;height:auto}
.figimg figcaption{padding:11px 14px 13px;font-size:.9rem;color:var(--ink-soft);line-height:1.45}
.figimg .credit{display:block;margin-top:5px;font-size:.76rem;color:var(--sage)}
@media(max-width:620px){.figimg{width:100%}}


/* ============ BODHI — the floating guide (a potted plant) ============
   Shared look & behavior across all psy course sites; modeled on psy391. */
:root{--bodhi:#4a6b3a;--bodhi-ink:#2f4825;--bodhi-leaf:#6f8e5c;--bodhi-soft:#d8e2cc}
.bodhi-intro{display:flex;gap:1rem;align-items:flex-start;background:var(--card,#fff);border:1px solid var(--line,#e2ddd2);
  border-radius:14px;padding:1.1rem 1.2rem;margin:1.4rem 0;box-shadow:0 1px 3px rgba(0,0,0,.08);
  border-left:4px solid var(--bodhi-leaf)}
.bodhi-intro .avatar{flex:none;width:60px;height:60px}
.bodhi-intro .say .who{font-weight:800;color:var(--bodhi);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.bodhi-intro .say p{margin:.2rem 0 0}

#bodhi-fab{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;flex-direction:column;align-items:flex-end;gap:.6rem}
#bodhi-fab .bubble{max-width:270px;background:var(--card,#fff);border:1px solid var(--line,#e2ddd2);border-radius:16px 16px 4px 16px;
  padding:.8rem 1rem;box-shadow:0 10px 30px rgba(0,0,0,.16);font-size:.9rem;line-height:1.5;opacity:0;transform:translateY(8px) scale(.96);
  transition:all .22s ease;pointer-events:none}
#bodhi-fab.open .bubble{opacity:1;transform:none;pointer-events:auto}
#bodhi-fab .bubble .who{font-weight:800;color:var(--bodhi);font-size:.72rem;text-transform:uppercase;letter-spacing:.09em;display:block;margin-bottom:.2rem;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
#bodhi-fab .bubble .more{margin-top:.6rem;display:flex;gap:.5rem}
#bodhi-fab .bubble .more button{border:1px solid var(--line,#e2ddd2);background:#fff;border-radius:999px;padding:.25rem .7rem;
  font:inherit;font-size:.78rem;font-weight:700;cursor:pointer;color:var(--bodhi)}
#bodhi-fab .bubble .more button:hover{background:var(--bodhi-soft);border-color:var(--bodhi-leaf)}
#bodhi-btn{position:relative;width:64px;height:64px;border-radius:50%;border:2px solid var(--bodhi-soft);cursor:pointer;
  background:#f6f2e9;box-shadow:0 10px 30px rgba(0,0,0,.16);display:grid;place-items:center;transition:transform .18s,box-shadow .18s}
#bodhi-btn:hover{transform:translateY(-3px)}
#bodhi-btn svg{width:50px;height:50px}
.bodhi-plant .foliage{transform-origin:50% 66px;animation:bodhi-sway 5.5s ease-in-out infinite}
@keyframes bodhi-sway{0%,100%{transform:rotate(-2.5deg)}50%{transform:rotate(2.5deg)}}
#bodhi-fab .pulse{position:absolute;right:4px;top:2px;width:14px;height:14px;border-radius:50%;background:var(--bodhi-leaf);
  border:2px solid #fff;box-shadow:0 0 0 0 color-mix(in srgb,var(--bodhi-leaf) 60%,transparent);animation:bodhi-pp 2.4s infinite}
@keyframes bodhi-pp{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--bodhi-leaf) 55%,transparent)}70%{box-shadow:0 0 0 12px transparent}100%{box-shadow:0 0 0 0 transparent}}
@media(prefers-reduced-motion:reduce){.bodhi-plant .foliage{animation:none}}
@media(max-width:520px){#bodhi-fab .bubble{max-width:210px}}