/* DSM-5-TR Practice Companion — engine styles (white-label) */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#0b1e3f;--primary2:#14305c;--accent:#c8a35a;--accent2:#e4c785;--blue:#3fa9f5;
  --bg:#f7f3ec;--card:#ffffff;--text:#1a1a1a;--muted:#5a6478;--border:#e3dcc8;--tint:#eef4fb;
  --ok:#1f7a4d;--okbg:#e6f4ec;--no:#b23b3b;--nobg:#fbe9e9;--warn:#b7791f;--warnbg:#fff4dd;
  --radius:12px;--shadow:0 2px 14px rgba(11,30,63,.07)
}
html{scroll-behavior:smooth}
body{font-family:'Lato',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
h1,h2,h3,h4,.mont{font-family:'Montserrat',sans-serif;color:var(--primary);line-height:1.25}
h1{font-size:26px;font-weight:800}h2{font-size:20px;font-weight:700}h3{font-size:16px;font-weight:700}
p{margin:0 0 10px}
a{color:var(--primary2)}
.wrap{width:100%;max-width:900px;margin:0 auto;padding:0 16px}
main.wrap{flex:1;padding-top:22px;padding-bottom:40px}
.muted{color:var(--muted)}.tiny{font-size:12px;color:var(--muted)}.center{text-align:center}
.hide{display:none!important}

/* top bar */
.topbar{background:var(--primary);color:#fff;border-bottom:3px solid var(--accent);position:sticky;top:0;z-index:20}
.topbar-inner{max-width:900px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.brand-logo{height:38px;width:auto;background:#fff;border-radius:8px;padding:3px 6px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-family:'Montserrat',sans-serif;font-weight:700;font-size:12px;letter-spacing:2px;color:var(--accent)}
.brand-tag{font-size:13px;color:#d7dbe6}
.nav{display:flex;gap:4px}
.nav a{color:#d7dbe6;text-decoration:none;font-family:'Montserrat',sans-serif;font-weight:600;font-size:13px;padding:7px 12px;border-radius:8px}
.nav a.active,.nav a:hover{background:rgba(255,255,255,.1);color:#fff}

/* cards, buttons */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;margin-bottom:18px;box-shadow:var(--shadow)}
.card.tint{background:var(--tint);border-color:#d3e3f4}
.card h2{margin-bottom:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border:2px solid var(--accent);border-radius:9px;font-weight:700;font-size:14px;letter-spacing:.4px;text-transform:uppercase;cursor:pointer;font-family:'Montserrat',sans-serif;background:var(--accent);color:var(--primary);text-decoration:none;transition:background .15s,transform .05s;line-height:1.2}
.btn:hover{background:var(--accent2)}.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;border-color:var(--primary);color:var(--primary)}.btn.ghost:hover{background:var(--tint)}
.btn.sm{padding:8px 14px;font-size:12px}.btn.danger{background:transparent;border-color:var(--no);color:var(--no)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.row.between{justify-content:space-between}.row.end{justify-content:flex-end}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:640px){.grid2{grid-template-columns:1fr}.nav a{padding:7px 9px;font-size:12px}.brand-tag{display:none}.brand-name{font-size:10px;letter-spacing:1px;white-space:nowrap}.runbar{top:58px}.runbar>div{flex:1;min-width:0}.timer{font-size:17px;min-width:76px}}
@media(max-width:400px){.brand-text{display:none}}

/* hero */
.hero{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;border-radius:var(--radius);padding:26px 26px;margin-bottom:20px;border-bottom:4px solid var(--accent)}
.hero .kicker{color:var(--accent);font-family:'Montserrat',sans-serif;font-weight:700;letter-spacing:3px;font-size:11px;text-transform:uppercase}
.hero h1{color:#fff;margin:6px 0 4px}.hero .sub{color:#d7dbe6;font-size:15px}.hero p{color:#e9ecf3}
.stats{display:flex;gap:18px;flex-wrap:wrap;margin-top:14px}
.stat{background:rgba(255,255,255,.08);border-radius:10px;padding:10px 14px;min-width:120px}
.stat b{display:block;font-family:'Montserrat',sans-serif;font-size:20px;color:var(--accent2)}.stat span{font-size:12px;color:#c9d0de}

/* exam list */
.exam-item{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:14px 0;border-top:1px solid var(--border)}
.exam-item:first-of-type{border-top:0}
.exam-item .meta{font-size:13px;color:var(--muted)}
.badge{display:inline-block;font-size:11px;font-weight:700;font-family:'Montserrat',sans-serif;padding:3px 9px;border-radius:20px;background:var(--tint);color:var(--primary2);letter-spacing:.3px}
.badge.gold{background:#f6ecd4;color:#7a5a12}.badge.ok{background:var(--okbg);color:var(--ok)}.badge.no{background:var(--nobg);color:var(--no)}.badge.warn{background:var(--warnbg);color:var(--warn)}
.badge.easy{background:#eceff3;color:#5a6478}.badge.medium{background:#e3f1fd;color:#1d6fb0}.badge.hard{background:#dfe5ef;color:var(--primary)}

/* exam runner */
.runbar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:10px 16px;margin-bottom:14px;position:sticky;top:64px;z-index:10;box-shadow:var(--shadow)}
.runbar .sec{font-family:'Montserrat',sans-serif;font-weight:700;color:var(--primary);font-size:14px}
.runbar .qpos{font-size:13px;color:var(--muted)}
.timer{font-family:'Montserrat',sans-serif;font-weight:800;font-size:20px;color:var(--primary);background:var(--tint);padding:4px 12px;border-radius:8px;min-width:88px;text-align:center;font-variant-numeric:tabular-nums}
.timer.low{color:var(--no);background:var(--nobg);animation:pulse 1s infinite}
.timer.over{color:#fff;background:var(--no)}
@keyframes pulse{50%{opacity:.6}}
.progressbar{height:6px;background:#e9e3d6;border-radius:6px;overflow:hidden;margin:6px 0 14px}
.progressbar i{display:block;height:100%;background:var(--accent);transition:width .2s}
.qtext{font-size:17px;line-height:1.55;margin:4px 0 16px;color:var(--text)}
.qnum{font-family:'Montserrat',sans-serif;font-weight:800;color:var(--accent);margin-right:6px}
.opts{display:flex;flex-direction:column;gap:9px}
.opt{display:flex;gap:12px;align-items:flex-start;width:100%;text-align:left;background:#fff;border:2px solid var(--border);border-radius:10px;padding:12px 14px;cursor:pointer;font:inherit;color:var(--text);transition:border-color .12s,background .12s}
.opt:hover{border-color:var(--primary2);background:#fbfaf7}
.opt .L{font-family:'Montserrat',sans-serif;font-weight:800;color:var(--primary);min-width:22px;height:22px;border-radius:50%;background:var(--tint);display:inline-flex;align-items:center;justify-content:center;font-size:12px;flex:none;margin-top:2px}
.opt.sel{border-color:var(--primary);background:var(--tint)}.opt.sel .L{background:var(--primary);color:#fff}
.opt.correct{border-color:var(--ok);background:var(--okbg)}.opt.correct .L{background:var(--ok);color:#fff}
.opt.wrong{border-color:var(--no);background:var(--nobg)}.opt.wrong .L{background:var(--no);color:#fff}
.opt:disabled{cursor:default}
.passage{background:#fbf8f1;border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:10px;padding:14px 18px;margin-bottom:16px;font-size:15px}
.passage p{margin-bottom:8px}.passage .ptitle{font-family:'Montserrat',sans-serif;font-weight:700;font-size:12px;letter-spacing:2px;color:var(--muted);text-transform:uppercase;margin-bottom:8px}
.passage.collapsed p:not(.ptitle){display:none}
.toggle{font-size:13px;color:var(--primary2);background:none;border:0;cursor:pointer;text-decoration:underline;font-family:inherit}
.qnav{display:grid;grid-template-columns:repeat(auto-fill,minmax(38px,1fr));gap:6px;margin-top:8px}
.qnav button{height:36px;border-radius:8px;border:1.5px solid var(--border);background:#fff;font-family:'Montserrat',sans-serif;font-weight:700;font-size:12px;color:var(--muted);cursor:pointer}
.qnav button.answered{background:var(--tint);color:var(--primary);border-color:#c8d9ec}
.qnav button.flag{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.qnav button.cur{background:var(--primary);color:#fff;border-color:var(--primary)}
.flagbtn.on{background:#f6ecd4}
.memo-count{font-family:'Montserrat',sans-serif;font-weight:800;font-size:44px;color:var(--primary);text-align:center;margin:10px 0}
.explain{background:var(--tint);border-radius:10px;padding:12px 14px;margin-top:14px;font-size:14px}
.explain b{color:var(--primary)}
.notice{border-radius:10px;padding:10px 14px;font-size:14px;margin-bottom:12px}
.notice.warn{background:var(--warnbg);color:#6b4600;border:1px solid #efd9a6}.notice.no{background:var(--nobg);color:#7a2020;border:1px solid #efc4c4}.notice.ok{background:var(--okbg);color:#155a37;border:1px solid #bfe2cd}

/* results */
.score-big{font-family:'Montserrat',sans-serif;font-weight:800;font-size:56px;line-height:1;color:var(--primary)}
.score-big.ok{color:var(--ok)}.score-big.no{color:var(--no)}.score-big.warn{color:var(--warn)}
.bars{display:flex;flex-direction:column;gap:10px;margin-top:10px}
.bar{display:grid;grid-template-columns:200px 1fr 64px;gap:10px;align-items:center;font-size:14px}
@media(max-width:640px){.bar{grid-template-columns:1fr;gap:4px}.bar .val{text-align:left}}
.bar .track{height:12px;background:#ece7dc;border-radius:8px;overflow:hidden}
.bar .track i{display:block;height:100%;background:var(--blue);border-radius:8px}
.bar .track i.ok{background:var(--ok)}.bar .track i.no{background:var(--no)}.bar .track i.warn{background:var(--warn)}
.bar .val{text-align:right;font-family:'Montserrat',sans-serif;font-weight:700;color:var(--primary)}
.bar .lbl{color:var(--text)}
.miss{border-top:1px solid var(--border);padding:14px 0}
.miss .mq{font-weight:700;margin-bottom:6px}
.miss .mo{font-size:14px;margin:2px 0}
.miss .you{color:var(--no)}.miss .ans{color:var(--ok);font-weight:700}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{font-family:'Montserrat',sans-serif;font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--muted);text-align:left;padding:8px 6px;border-bottom:2px solid var(--border)}
.tbl td{padding:9px 6px;border-bottom:1px solid var(--border);vertical-align:top}
.tbl td.num{font-family:'Montserrat',sans-serif;font-weight:700;color:var(--primary)}

/* forms */
label.field{display:block;font-size:13px;color:var(--muted);margin-bottom:4px;font-family:'Montserrat',sans-serif;font-weight:600}
select,input[type=number]{font:inherit;padding:10px 12px;border:1.5px solid var(--border);border-radius:8px;background:#fff;min-width:200px;color:var(--text)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1.5px solid var(--border);background:#fff;border-radius:20px;padding:7px 13px;font-size:13px;cursor:pointer;font-family:inherit;color:var(--text)}
.chip.on{background:var(--primary);color:#fff;border-color:var(--primary)}
.switch{display:flex;align-items:center;gap:8px;font-size:14px;cursor:pointer}
.switch input{width:18px;height:18px;accent-color:var(--primary)}
.book-tile{display:block;text-decoration:none;color:inherit}
.book-tile .card:hover{border-color:var(--accent)}

/* optional email capture (results page) */
.card.capture{border-left:5px solid var(--accent);background:#fffdf8}
.capture-form{display:grid;grid-template-columns:1fr 1.4fr auto;gap:10px;margin-top:12px}
.capture-form input[type=text],.capture-form input[type=email]{min-width:0;width:100%;font:inherit;padding:11px 13px;border:1.5px solid var(--border);border-radius:8px;background:#fff;color:var(--text)}
.capture-form input:focus{outline:none;border-color:var(--primary2);box-shadow:0 0 0 3px rgba(20,48,92,.12)}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
@media(max-width:640px){.capture-form{grid-template-columns:1fr}}

/* footer */
.foot{background:#081628;color:#b9c1d1;padding:22px 0;margin-top:auto}
.foot p{margin-bottom:6px;font-size:13px}
kbd{font:12px/1 'Montserrat',sans-serif;background:#eee;border:1px solid #ccc;border-bottom-width:2px;border-radius:5px;padding:2px 6px;color:#333}
@media print{.topbar,.foot,.runbar,.btn{display:none!important}.card{box-shadow:none;border-color:#bbb}}
/* flashcards */
.flashcard{min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;cursor:pointer;padding:34px 26px}
.fc-front{font-family:'Montserrat',sans-serif;font-weight:700;font-size:26px;color:var(--primary);line-height:1.3}
.fc-back{margin-top:22px;padding-top:18px;border-top:2px solid var(--accent);font-size:19px;line-height:1.5;max-width:620px}
.fc-ex{margin-top:12px;font-style:italic;color:var(--muted);max-width:620px}
@media (max-width:600px){.fc-front{font-size:21px}.fc-back{font-size:17px}}