/* ── TOKENS ─────────────────────────────────────────────────────────────── */
:root {
  --navy:       #002868;
  --navy-dark:  #001a4d;
  --navy-light: #eef2ff;
  --red:        #BF0A30;
  --red-dark:   #96081f;
  --red-light:  #fef2f2;
  --gold:       #EF9F27;
  --gold-light: #fef3dc;
  --amber:      #D97706;
  --amber-light:#fffbeb;
  --text:       #1a1a1a;
  --muted:      #6b7280;
  --bg:         #f8f9ff;
  --card:       #ffffff;
  --border:     #e5e7eb;
  --shadow:     0 2px 8px rgba(0,0,0,.08);
  --shadow-lg:  0 8px 28px rgba(0,0,0,.14);
  --r:          14px;
  --rs:         8px;
  --t:          .2s ease;
}

/* ── RESET ──────────────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;
}
img,svg{display:block}
button{font-family:inherit;cursor:pointer}
a{text-decoration:none}

/* ── LAYOUT ─────────────────────────────────────────────────────────────── */
.container{max-width:1000px;margin:0 auto;padding:0 20px}

/* ── SITE HEADER ────────────────────────────────────────────────────────── */
.site-header{
  background:var(--card);border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100;
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:12px;padding-bottom:12px;
}
.logo{
  font-size:1.1rem;font-weight:700;color:var(--navy);
  display:flex;align-items:center;gap:8px;
}
.header-actions{display:flex;align-items:center;gap:10px}

/* ── BUTTONS ─────────────────────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 20px;border-radius:var(--rs);font-size:.9rem;font-weight:600;
  border:2px solid transparent;transition:all var(--t);cursor:pointer;
  text-decoration:none;white-space:nowrap;
}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-dark)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark)}
.btn-outline{background:transparent;border-color:var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy-light)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--muted)}
.btn-ghost:hover{background:var(--border);color:var(--text)}
.btn-large{padding:14px 32px;font-size:1rem;border-radius:var(--r)}
.btn-donate{background:var(--red);color:#fff;padding:14px 32px;font-size:1rem;border-radius:var(--r)}
.btn-donate:hover{background:var(--red-dark)}
.btn-donate-sm{background:var(--red);color:#fff;padding:7px 14px;font-size:.8rem;font-weight:600;border-radius:var(--rs);border:none;white-space:nowrap}
.btn-donate-sm:hover{background:var(--red-dark)}
.btn-sm{padding:7px 14px;font-size:.82rem}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;pointer-events:none}

/* ── HERO ────────────────────────────────────────────────────────────────── */
.hero{padding:64px 0 52px;text-align:center;background:var(--navy)}
.hero h1{
  font-size:clamp(1.8rem,5vw,2.8rem);font-weight:800;
  line-height:1.2;margin-bottom:16px;color:#fff;
}
.hero h1 span{color:#F7C59F}
.hero-sub{
  font-size:1.05rem;color:rgba(255,255,255,.82);
  max-width:520px;margin:0 auto 32px;
}

/* ── HOW IT WORKS ───────────────────────────────────────────────────────── */
.how-it-works{padding:48px 0;background:var(--navy-light)}
.how-it-works h2,.rooms-section h2{
  font-size:1.4rem;font-weight:700;text-align:center;margin-bottom:32px;color:var(--navy);
}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}
.step{
  background:#fff;padding:24px;border-radius:var(--r);
  text-align:center;box-shadow:var(--shadow);
}
.step-icon{font-size:2rem;margin-bottom:12px}
.step h3{font-size:1rem;font-weight:700;margin-bottom:6px;color:var(--navy)}
.step p{font-size:.88rem;color:var(--muted)}

/* ── ROOMS GRID ─────────────────────────────────────────────────────────── */
.rooms-section{padding:48px 0}
.rooms-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:16px;
}
.room-card{
  background:var(--card);border:2px solid var(--border);border-radius:var(--r);
  padding:20px;color:var(--text);display:block;
  transition:all var(--t);position:relative;overflow:hidden;
}
.room-card:hover{border-color:var(--navy);box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.room-card-header{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.room-number{
  width:36px;height:36px;background:var(--navy);color:#fff;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.95rem;flex-shrink:0;
}
.room-card h3{font-size:1rem;font-weight:700}
.room-card-topic{font-size:.82rem;color:var(--muted);margin-bottom:12px}
.room-card-meta{display:flex;gap:8px;flex-wrap:wrap}
.meta-tag{font-size:.75rem;padding:3px 10px;border-radius:20px;font-weight:500}
.tag-count{background:var(--navy-light);color:var(--navy)}
.tag-anchor{background:var(--gold-light);color:#7a4d00}
.tag-current{background:var(--amber-light);color:var(--amber)}
.room-arrow{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  color:var(--border);font-size:1.2rem;transition:all var(--t);
}
.room-card:hover .room-arrow{color:var(--navy);transform:translateY(-50%) translateX(3px)}

/* ── DONATION ────────────────────────────────────────────────────────────── */
.donation-section{padding:48px 0}
.donation-card{
  background:linear-gradient(135deg,var(--navy-dark) 0%,var(--navy) 100%);
  border-radius:20px;padding:40px;text-align:center;color:#fff;
}
.donate-msg{
  font-size:1.1rem;line-height:1.7;max-width:560px;
  margin:0 auto 12px;opacity:.95;
}
.donate-min{font-size:.85rem;opacity:.7;margin-bottom:24px}

/* ── DISCLAIMER ─────────────────────────────────────────────────────────── */
.disclaimer-section{padding:32px 0;background:var(--bg)}
.disclaimer-card{
  max-width:720px;margin:0 auto;
  background:var(--card);border:1px solid var(--border);
  border-radius:10px;padding:24px 28px;
}
.disclaimer-card h3{font-size:.95rem;font-weight:700;color:var(--muted);margin-bottom:10px;text-transform:uppercase;letter-spacing:.04em}
.disclaimer-card p{font-size:.84rem;color:var(--muted);line-height:1.65;margin-bottom:10px}
.disclaimer-card p:last-child{margin-bottom:0}
.disclaimer-card a{color:var(--navy);text-decoration:underline}

/* ── FOOTER ──────────────────────────────────────────────────────────────── */
.site-footer{
  background:var(--card);border-top:1px solid var(--border);
  padding:28px 0;text-align:center;
}
.site-footer p{font-size:.82rem;color:var(--muted);margin-bottom:4px}

/* ── ROOM HEADER ─────────────────────────────────────────────────────────── */
.room-header{
  background:var(--card);border-bottom:1px solid var(--border);
  padding:0;height:62px;display:flex;align-items:center;
  position:relative;z-index:50;
}
.room-header .container{
  display:flex;align-items:center;gap:12px;
  padding-top:0;padding-bottom:0;width:100%;
}
.back-btn{
  display:flex;align-items:center;gap:6px;color:var(--muted);font-size:.88rem;
  padding:6px 10px;border-radius:var(--rs);transition:all var(--t);flex-shrink:0;
}
.back-btn:hover{background:var(--border);color:var(--text)}
.room-title-block{flex:1;min-width:0;overflow:hidden}
.room-title-block h1{font-size:1.15rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--navy)}
.room-topic{font-size:.75rem;color:var(--muted)}
.room-num-badge{
  width:38px;height:38px;background:var(--navy);color:#fff;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:1rem;flex-shrink:0;
}

/* ── ROOM TWO-COLUMN LAYOUT ──────────────────────────────────────────────── */
.room-layout{
  display:flex;
  height:calc(100vh - 62px);
}
.svg-col{
  flex:0 0 52%;
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  overflow:hidden;
  background:var(--card);
}
.svg-col-inner{
  flex:1;
  overflow:hidden;
  padding:10px;
  display:flex;
  flex-direction:column;
  align-items:stretch;
  justify-content:flex-start;
}
.q-col{
  flex:1;
  overflow-y:auto;
  background:var(--card);
  display:flex;
  flex-direction:column;
}

/* ── MODE TABS (inside svg-col) ──────────────────────────────────────────── */
.mode-tabs{display:flex;border-bottom:1px solid var(--border);flex-shrink:0}
.mode-tab{
  flex:1;padding:11px 8px;text-align:center;cursor:pointer;
  font-size:.82rem;font-weight:600;color:var(--muted);
  border-bottom:3px solid transparent;transition:all var(--t);user-select:none;
}
.mode-tab:hover{color:var(--navy);background:var(--navy-light)}
.mode-tab.active{color:var(--navy);border-bottom-color:var(--navy)}
.mode-desc{
  background:var(--navy-light);padding:6px 14px;
  font-size:.75rem;color:var(--navy);text-align:center;flex-shrink:0;
}
.location-path{
  padding:5px 14px;font-size:.72rem;color:var(--muted);
  background:var(--bg);border-bottom:1px solid var(--border);
  text-align:center;flex-shrink:0;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* ── Q-COL CONTENTS ──────────────────────────────────────────────────────── */
.drawer-handle{
  width:40px;height:4px;background:var(--border);
  border-radius:2px;margin:10px auto 4px;flex-shrink:0;
  display:none; /* shown only on mobile */
}
.q-panel-bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 16px;border-bottom:1px solid var(--border);
  background:var(--bg);flex-shrink:0;
}
.q-nav-hint{font-size:.75rem;color:var(--muted)}
.q-close-btn{
  background:none;border:none;color:var(--muted);font-size:.9rem;
  padding:4px 8px;border-radius:var(--rs);cursor:pointer;
  transition:all var(--t);
}
.q-close-btn:hover{background:var(--border);color:var(--text)}

/* Empty state */
.q-empty{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:40px 24px;text-align:center;color:var(--muted);
}
.q-empty-icon{font-size:3rem;margin-bottom:16px;opacity:.5}
.q-empty p{font-size:.95rem;line-height:1.6}

/* Question inner */
.q-inner{padding:20px;max-width:100%}
.q-loc-label{display:flex;align-items:center;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.q-loc-num{
  width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;
  font-weight:700;font-size:.85rem;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.q-loc-num.gold{background:var(--gold)}
.q-loc-name{font-size:.88rem;color:var(--muted);font-weight:500}
.q-changeable-tag{
  background:var(--amber-light);color:var(--amber);
  font-size:.72rem;font-weight:700;padding:3px 9px;border-radius:20px;
}
.q-question{font-size:1.05rem;font-weight:700;margin-bottom:14px;line-height:1.4}
.q-answer{
  background:var(--navy-light);border-left:4px solid var(--navy);
  padding:12px 16px;border-radius:0 var(--rs) var(--rs) 0;
  font-weight:600;color:var(--navy);margin-bottom:16px;
}
.q-sec{margin-bottom:14px}
.q-sec-label{
  font-size:.72rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.06em;color:var(--muted);margin-bottom:6px;
}
.q-story{
  font-size:.9rem;line-height:1.75;
  background:#fffbf4;border:1px solid #f0e0c0;
  padding:14px 16px;border-radius:var(--rs);
}
.q-hook{
  font-size:.88rem;background:var(--gold-light);
  border-left:4px solid var(--gold);padding:10px 14px;
  border-radius:0 var(--rs) var(--rs) 0;color:#6b4400;font-style:italic;
}
.q-reference{font-size:.82rem;color:var(--amber);margin-top:12px}
.q-reference a{color:var(--amber);font-weight:600}
.q-reveal-btn{
  width:100%;padding:12px;background:var(--bg);
  border:2px dashed var(--border);border-radius:var(--rs);
  color:var(--muted);font-size:.88rem;font-weight:600;
  transition:all var(--t);margin-bottom:8px;
}
.q-reveal-btn:hover{border-color:var(--navy);color:var(--navy);background:var(--navy-light)}
.q-nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 20px;border-top:1px solid var(--border);
  background:var(--bg);flex-shrink:0;margin-top:auto;
}
.q-nav-counter{font-size:.82rem;color:var(--muted);font-weight:500}

/* ── ROOM MAP ────────────────────────────────────────────────────────────── */
.room-map{
  position:relative;
  width:100%;
  aspect-ratio:1408/768;
  border-radius:10px;
  border:3px solid var(--map-wall,#b8a070);
  overflow:hidden;
  box-shadow:0 4px 24px rgba(0,0,0,.18);
  background-size:cover;
  background-position:center top;
  background-repeat:no-repeat;
  background-color:#1a1a2e;
}

/* Path SVG overlay */
.room-path-svg{
  position:absolute;inset:0;width:100%;height:100%;
  pointer-events:none;z-index:1;
}
.room-path-line{
  fill:none;stroke:rgba(0,40,104,.18);
  stroke-width:1.4;stroke-dasharray:6 5;
  stroke-linecap:round;stroke-linejoin:round;
}

/* Location pin */
.rloc{
  position:absolute;
  left:var(--lx);top:var(--ly);
  transform:translate(-50%,-50%);
  display:flex;flex-direction:column;align-items:center;gap:2px;
  cursor:pointer;z-index:2;
  transition:transform .15s;
  -webkit-tap-highlight-color:transparent;
}
.rloc:hover{transform:translate(-50%,-50%) scale(1.18)}

.rloc-icon{
  font-size:1.3rem;line-height:1;
  filter:drop-shadow(0 1px 2px rgba(0,0,0,.22));
  pointer-events:none;
}
.rloc-badge{
  width:26px;height:26px;border-radius:50%;
  background:var(--navy);color:#fff;
  font-weight:800;font-size:11px;
  display:flex;align-items:center;justify-content:center;
  border:2.5px solid #fff;
  box-shadow:0 2px 7px rgba(0,0,0,.28);
  transition:all .15s;
}
.rloc.anchor .rloc-badge{background:var(--gold);color:#1a1a1a}

.rloc-label{
  font-size:7px;font-weight:700;
  color:#fff;background:rgba(0,0,0,.72);
  padding:2px 5px;border-radius:3px;
  white-space:nowrap;max-width:78px;
  overflow:hidden;text-overflow:ellipsis;
  pointer-events:none;line-height:1.3;
  box-shadow:0 1px 4px rgba(0,0,0,.4);
  letter-spacing:.01em;
}

/* Active / selected */
.rloc.active{transform:translate(-50%,-50%) scale(1.22)}
.rloc.active .rloc-badge{
  background:var(--red);
  box-shadow:0 0 0 3px #fff,0 0 0 5px var(--red),0 4px 14px rgba(0,0,0,.3);
}
.rloc.anchor.active .rloc-badge{
  background:var(--gold);color:#1a1a1a;
  box-shadow:0 0 0 3px #fff,0 0 0 5px var(--gold),0 4px 14px rgba(0,0,0,.3);
}

/* ── Room themes ─────────────────────────────────────────────────────────── */
.room-theme-kitchen{
  --map-wall:#c4a46e;
  background:radial-gradient(ellipse at 50% 30%,#fff8ee 10%,#f0dfc0 100%);
}
.room-theme-livingroom{
  --map-wall:#a08060;
  background:radial-gradient(ellipse at 50% 30%,#faf4e8 10%,#e8d8b8 100%);
}
.room-theme-bedroom{
  --map-wall:#8899cc;
  background:radial-gradient(ellipse at 50% 30%,#eef4ff 10%,#c8d8f0 100%);
}
.room-theme-study{
  --map-wall:#8b6a40;
  background:radial-gradient(ellipse at 50% 30%,#fdf6e8 10%,#e8d0a8 100%);
}
.room-theme-garage{
  --map-wall:#888;
  background:radial-gradient(ellipse at 50% 30%,#f2f2f2 10%,#d8d8d8 100%);
}
.room-theme-garden{
  --map-wall:#5a9a5a;
  background:radial-gradient(ellipse at 50% 30%,#edfaed 10%,#c0e8c0 100%);
}
.room-theme-hallway{
  --map-wall:#b8a088;
  background:radial-gradient(ellipse at 50% 30%,#f8f4ee 10%,#e0d0b8 100%);
}
.room-theme-bathroom{
  --map-wall:#6699bb;
  background:radial-gradient(ellipse at 50% 30%,#f0f8ff 10%,#c0d8f0 100%);
}
.room-theme-attic{
  --map-wall:#8b7040;
  background:radial-gradient(ellipse at 50% 30%,#f8f0e0 10%,#d8c090 100%);
}
.room-theme-basement{
  --map-wall:#7788aa;
  background:radial-gradient(ellipse at 50% 30%,#e8e8f0 10%,#c0c8d8 100%);
}

/* ── MOBILE DRAWER ───────────────────────────────────────────────────────── */
@media (max-width:767px){
  .room-layout{display:block;height:auto}
  .svg-col{border-right:none;border-bottom:1px solid var(--border);overflow:visible;flex:none}
  .svg-col-inner{padding:8px;flex:none;overflow:visible}
  .room-map{aspect-ratio:1408/768;height:auto}
  .rloc-icon{font-size:1.1rem}
  .rloc-badge{width:22px;height:22px;font-size:10px}
  .rloc-label{font-size:7px;max-width:60px}
  .q-col{
    position:fixed;bottom:0;left:0;right:0;
    max-height:68vh;
    border-radius:20px 20px 0 0;
    box-shadow:0 -4px 24px rgba(0,0,0,.18);
    transform:translateY(100%);
    transition:transform .35s cubic-bezier(.4,0,.2,1);
    z-index:200;
    flex:none;
  }
  .q-col.drawer-open{transform:translateY(0)}
  .q-empty{display:none}/* don't show empty state on mobile, drawer is just closed */
  .drawer-handle{display:block}
  .drawer-bd{
    display:none;position:fixed;inset:0;
    background:rgba(0,0,0,.45);z-index:199;
  }
  .drawer-bd.show{display:block}
  /* add bottom padding to page so content isn't hidden behind drawer */
  body.drawer-page-padding{padding-bottom:68vh}
}

/* ── QUIZ PAGE ───────────────────────────────────────────────────────────── */
.quiz-wrap{max-width:640px;margin:0 auto;padding:32px 20px}
.screen{display:none}
.screen.active{display:block}

.quiz-intro-title{font-size:1.8rem;font-weight:800;margin-bottom:10px;color:var(--navy)}
.quiz-intro-desc{font-size:.95rem;color:var(--muted);margin-bottom:32px}

.diff-options{display:flex;flex-direction:column;gap:12px;margin-bottom:32px}
.diff-opt{
  border:2px solid var(--border);border-radius:var(--r);padding:16px 20px;
  cursor:pointer;transition:all var(--t);display:flex;align-items:flex-start;gap:14px;
}
.diff-opt:hover,.diff-opt.selected{border-color:var(--navy);background:var(--navy-light)}
.diff-radio{
  width:20px;height:20px;border-radius:50%;border:2px solid var(--border);
  flex-shrink:0;margin-top:2px;transition:all var(--t);
  display:flex;align-items:center;justify-content:center;
}
.diff-opt.selected .diff-radio{border-color:var(--navy);background:var(--navy)}
.diff-opt.selected .diff-radio::after{content:'';width:8px;height:8px;background:#fff;border-radius:50%}
.diff-label{font-weight:700;font-size:.95rem;margin-bottom:4px;color:var(--navy)}
.diff-desc{font-size:.82rem;color:var(--muted)}

.quiz-progress-bar{background:var(--border);height:6px;border-radius:3px;margin-bottom:24px;overflow:hidden}
.quiz-progress-fill{height:100%;background:var(--navy);border-radius:3px;transition:width .4s ease}
.quiz-counter{font-size:.82rem;color:var(--muted);margin-bottom:8px;font-weight:500}
.quiz-room-badge{
  display:inline-block;background:var(--navy-light);color:var(--navy);
  font-size:.75rem;font-weight:600;padding:4px 12px;border-radius:20px;margin-bottom:16px;
}
.quiz-question{font-size:1.2rem;font-weight:700;line-height:1.4;margin-bottom:20px}
.quiz-hint-story{
  background:#fffbf4;border:1px solid #f0e0c0;
  padding:14px 16px;border-radius:var(--rs);
  font-size:.88rem;line-height:1.75;margin-bottom:16px;
}
.quiz-hint-hook{
  background:var(--gold-light);border-left:4px solid var(--gold);
  padding:10px 14px;border-radius:0 var(--rs) var(--rs) 0;
  font-size:.85rem;font-style:italic;color:#6b4400;margin-bottom:16px;
}
.quiz-answer-form{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.quiz-input{
  width:100%;padding:14px 16px;font-size:1rem;
  border:2px solid var(--border);border-radius:var(--rs);
  background:#fff;outline:none;font-family:inherit;
  transition:border-color var(--t);
}
.quiz-input:focus{border-color:var(--navy)}
.quiz-input.correct{border-color:var(--navy);background:var(--navy-light)}
.quiz-input.wrong{border-color:var(--red);background:var(--red-light)}
.quiz-check-btn{
  padding:14px;background:var(--navy);color:#fff;
  border:none;border-radius:var(--rs);font-size:1rem;font-weight:700;
  transition:background var(--t);
}
.quiz-check-btn:hover:not(:disabled){background:var(--navy-dark)}
.quiz-check-btn:disabled{background:var(--border);color:var(--muted);cursor:not-allowed}
.quiz-feedback{padding:14px 16px;border-radius:var(--rs);margin-bottom:16px;display:none}
.quiz-feedback.correct{display:block;background:var(--navy-light);border:1px solid var(--navy);color:var(--navy)}
.quiz-feedback.wrong{display:block;background:var(--red-light);border:1px solid var(--red);color:var(--red-dark)}
.quiz-feedback-lbl{font-weight:700;margin-bottom:6px}
.quiz-correct-ans{font-size:.9rem}
.quiz-next-btn{
  width:100%;padding:14px;background:var(--text);color:#fff;
  border:none;border-radius:var(--rs);font-size:1rem;font-weight:700;
  transition:background var(--t);display:none;
}
.quiz-next-btn:hover{background:#333}
.quiz-next-btn.show{display:block}

.quiz-end{text-align:center;padding:40px 0}
.end-score{font-size:4rem;font-weight:800;color:var(--navy);margin-bottom:6px}
.end-score-lbl{font-size:1rem;color:var(--muted);margin-bottom:24px}
.end-msg{font-size:1.05rem;line-height:1.7;max-width:460px;margin:0 auto 28px}
.end-donation{
  background:linear-gradient(135deg,var(--navy-dark) 0%,var(--navy) 100%);
  border-radius:var(--r);padding:28px 24px;color:#fff;margin-bottom:24px;text-align:center;
}
.end-donation p{margin-bottom:14px;opacity:.95;line-height:1.6}
.end-donation p:last-of-type{font-size:.85rem;opacity:.75;margin-bottom:20px}
.end-actions{display:flex;gap:12px;margin-top:4px}
.end-actions .btn{flex:1;justify-content:center}

/* ── LOADING ─────────────────────────────────────────────────────────────── */
.loading{
  display:flex;align-items:center;justify-content:center;
  padding:60px 20px;color:var(--muted);gap:12px;
}
@keyframes spin{to{transform:rotate(360deg)}}
.spinner{
  width:24px;height:24px;border:3px solid var(--border);
  border-top-color:var(--navy);border-radius:50%;
  animation:spin .8s linear infinite;flex-shrink:0;
}
.err-msg{color:var(--red);padding:20px;text-align:center}

/* ── UTILITY ─────────────────────────────────────────────────────────────── */
.hidden{display:none!important}

/* ── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media(max-width:600px){
  .hero{padding:40px 0 32px}
  .hero h1{font-size:1.7rem}
  .donation-card{padding:28px 20px}
  .quiz-intro-title{font-size:1.4rem}
  .end-score{font-size:3rem}
  .q-question{font-size:1rem}
  .mode-tab{font-size:.78rem;padding:10px 4px}
  .quiz-question{font-size:1.05rem}
  .room-header .container{gap:8px}
  .room-title-block h1{font-size:1rem}
}

/* ── QUIZ ANSWER TYPE HELPERS ────────────────────────────────────────────── */
.quiz-multi-hint{
  font-size:.82rem;color:var(--amber);background:var(--amber-light);
  padding:8px 12px;border-radius:var(--rs);margin-bottom:12px;
}
/* Changeable question info card */
.quiz-feedback.info{
  display:block;background:var(--navy-light);border:1px solid var(--navy);color:var(--navy);
}
.quiz-current-ans{
  font-size:1.05rem;font-weight:700;margin:6px 0 8px;
}
.quiz-changeable-note{
  font-size:.8rem;opacity:.8;line-height:1.5;margin-top:4px;
}
.quiz-ref-link{
  display:inline-block;margin-top:6px;color:var(--navy);font-weight:600;
  text-decoration:underline;
}
/* End screen changeable note */
.end-changeable-note{
  font-size:.82rem;color:var(--muted);margin-bottom:12px;
  background:var(--navy-light);padding:8px 16px;border-radius:var(--rs);
}