@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg: #000000;
  --bg-card: #1c1c1e;
  --bg-elevated: #2c2c2e;
  --bg-tertiary: #3a3a3c;
  --surface: rgba(255,255,255,0.05);
  --surface-hover: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.08);
  --text: #f5f5f7;
  --text-secondary: #98989f;
  --text-tertiary: #636366;
  --blue: #0a84ff;
  --green: #30d158;
  --orange: #ff9f0a;
  --red: #ff453a;
  --purple: #bf5af2;
  --cyan: #64d2ff;
  --pink: #ff375f;
  --yellow: #ffd60a;
  --teal: #6ac4dc;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

html{-webkit-font-smoothing:antialiased;scroll-behavior:smooth}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', system-ui, sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
  min-height: 100vh;
  min-height: 100dvh;
}

::-webkit-scrollbar{width:0;height:0}

#app {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 100vh;
  min-height: 100dvh;
}

/* ═══ WELCOME ═══ */
.welcome {
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:100vh;min-height:100dvh;text-align:center;
  animation: fadeIn .8s ease;
  padding: 40px 0;
}

@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

.welcome__logo {
  width:80px;height:80px;border-radius:22px;
  background:linear-gradient(145deg,var(--blue),var(--purple));
  display:flex;align-items:center;justify-content:center;
  font-size:38px;margin-bottom:28px;
  box-shadow:0 10px 40px rgba(10,132,255,.25);
}

.welcome__title{font-size:2.8rem;font-weight:800;letter-spacing:-1.5px;margin-bottom:6px}
.welcome__sub{font-size:1.05rem;color:var(--text-secondary);margin-bottom:44px;max-width:400px;line-height:1.6}

.welcome__cards{display:grid;gap:12px;width:100%;margin-bottom:40px}

.w-card{
  background:var(--bg-card);border-radius:var(--radius-lg);padding:20px 24px;
  display:flex;align-items:center;gap:16px;text-align:left;
  border:1px solid var(--border);
}
.w-card__icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.w-card__icon--tdah{background:rgba(255,159,10,.12)}
.w-card__icon--aq{background:rgba(10,132,255,.12)}
.w-card__icon--raads{background:rgba(100,210,255,.12)}
.w-card__info{flex:1}
.w-card__name{font-size:.92rem;font-weight:700;margin-bottom:2px}
.w-card__desc{font-size:.78rem;color:var(--text-secondary);line-height:1.5}
.w-card__count{font-size:.75rem;color:var(--text-tertiary);font-weight:600;background:var(--bg-elevated);padding:4px 10px;border-radius:20px;white-space:nowrap}

.welcome__meta{display:flex;gap:28px;margin-bottom:40px}
.welcome__meta-item{text-align:center}
.welcome__meta-val{font-size:1.8rem;font-weight:800;letter-spacing:-1px}
.welcome__meta-label{font-size:.72rem;color:var(--text-tertiary);font-weight:500;text-transform:uppercase;letter-spacing:.5px}

.welcome__disclaimer{
  background:var(--bg-card);border-radius:var(--radius);padding:18px 20px;
  border:1px solid rgba(255,159,10,.15);margin-bottom:36px;
  font-size:.82rem;color:var(--text-secondary);line-height:1.65;text-align:left;width:100%;
}
.welcome__disclaimer strong{color:var(--orange)}

.welcome__form{width:100%;background:var(--bg-card);border-radius:var(--radius-lg);padding:22px 24px;margin-bottom:16px;border:1px solid var(--border)}
.welcome__form-title{font-size:.82rem;font-weight:700;color:var(--text-secondary);margin-bottom:14px;text-transform:uppercase;letter-spacing:.5px}
.welcome__form-row{display:flex;gap:12px}
.welcome__field{flex:1;display:flex;flex-direction:column;gap:6px}
.welcome__field--sm{max-width:100px}
.welcome__field-label{font-size:.75rem;font-weight:600;color:var(--text-tertiary)}
.welcome__input{
  background:var(--bg-elevated);border:1.5px solid var(--border);border-radius:10px;
  padding:12px 16px;font-family:inherit;font-size:.92rem;font-weight:500;color:var(--text);
  outline:none;transition:border-color .2s ease;width:100%;
}
.welcome__input:focus{border-color:var(--blue)}
.welcome__input::placeholder{color:var(--text-tertiary)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:16px 44px;border:none;border-radius:var(--radius);
  font-family:inherit;font-size:1rem;font-weight:700;cursor:pointer;
  transition:all .25s ease;
}
.btn--blue{background:var(--blue);color:#fff}
.btn--blue:hover{filter:brightness(1.15);transform:scale(1.02)}
.btn--blue:active{transform:scale(.98)}
.btn--large{padding:18px 56px;font-size:1.05rem;border-radius:16px}
.btn--ghost{background:var(--bg-elevated);color:var(--text);border:1px solid var(--border)}
.btn--ghost:hover{background:var(--bg-tertiary)}
.btn--sm{padding:10px 24px;font-size:.85rem;border-radius:10px}

/* ═══ QUIZ ═══ */
.quiz{animation:fadeIn .5s ease;padding:20px 0 40px}

.quiz__progress{position:sticky;top:0;z-index:100;padding:16px 0 12px;background:rgba(0,0,0,.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.quiz__progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.quiz__progress-label{font-size:.78rem;font-weight:600;color:var(--text-secondary)}
.quiz__progress-count{font-size:.78rem;color:var(--text-tertiary);font-weight:500}
.quiz__progress-bar{height:4px;background:var(--bg-elevated);border-radius:4px;overflow:hidden}
.quiz__progress-fill{height:100%;border-radius:4px;transition:width .4s ease}
.fill--tdah{background:var(--orange)}
.fill--aq{background:var(--blue)}
.fill--raads{background:var(--cyan)}

.quiz__section-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:20px;font-size:.72rem;font-weight:700;
  letter-spacing:.5px;text-transform:uppercase;margin-bottom:24px;
}
.tag--tdah{background:rgba(255,159,10,.1);color:var(--orange);border:1px solid rgba(255,159,10,.2)}
.tag--aq{background:rgba(10,132,255,.1);color:var(--blue);border:1px solid rgba(10,132,255,.2)}
.tag--raads{background:rgba(100,210,255,.1);color:var(--cyan);border:1px solid rgba(100,210,255,.2)}

.quiz__question{
  font-size:1.3rem;font-weight:600;line-height:1.55;letter-spacing:-.3px;
  margin-bottom:32px;min-height:80px;
  animation:slideIn .35s ease;
}
@keyframes slideIn{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:translateX(0)}}

.quiz__options{display:flex;flex-direction:column;gap:10px;animation:slideIn .35s ease}

.opt{
  display:flex;align-items:center;gap:14px;
  padding:16px 20px;background:var(--bg-card);border:1.5px solid var(--border);
  border-radius:var(--radius);cursor:pointer;transition:all .2s ease;
  font-family:inherit;font-size:.92rem;font-weight:500;color:var(--text-secondary);
  text-align:left;width:100%;
}
.opt:hover{background:var(--bg-elevated);border-color:rgba(255,255,255,.12);color:var(--text)}
.opt:active{transform:scale(.98)}

.opt--sel{border-color:var(--blue);background:rgba(10,132,255,.08);color:var(--text)}
.opt--sel .opt__dot{background:var(--blue);border-color:var(--blue);box-shadow:0 0 0 4px rgba(10,132,255,.2)}
.opt--sel .opt__dot::after{opacity:1;transform:scale(1)}

.opt--sel-tdah{border-color:var(--orange);background:rgba(255,159,10,.08)}
.opt--sel-tdah .opt__dot{background:var(--orange);border-color:var(--orange);box-shadow:0 0 0 4px rgba(255,159,10,.2)}
.opt--sel-tdah .opt__dot::after{opacity:1;transform:scale(1)}

.opt--sel-aq{border-color:var(--blue);background:rgba(10,132,255,.08)}
.opt--sel-aq .opt__dot{background:var(--blue);border-color:var(--blue);box-shadow:0 0 0 4px rgba(10,132,255,.2)}
.opt--sel-aq .opt__dot::after{opacity:1;transform:scale(1)}

.opt--sel-raads{border-color:var(--cyan);background:rgba(100,210,255,.08)}
.opt--sel-raads .opt__dot{background:var(--cyan);border-color:var(--cyan);box-shadow:0 0 0 4px rgba(100,210,255,.2)}
.opt--sel-raads .opt__dot::after{opacity:1;transform:scale(1)}

.opt__dot{
  width:22px;height:22px;border-radius:50%;border:2px solid var(--text-tertiary);
  flex-shrink:0;position:relative;transition:all .2s ease;
}
.opt__dot::after{
  content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);
  width:10px;height:10px;border-radius:50%;background:#fff;opacity:0;transition:all .2s ease;
}

.quiz__nav{display:flex;gap:12px;margin-top:40px;justify-content:space-between}
.quiz__nav--center{justify-content:center}

.quiz__counter{text-align:center;margin-top:20px;font-size:.78rem;color:var(--text-tertiary)}

/* ═══ TRANSITION ═══ */
.transition{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:80vh;text-align:center;animation:fadeIn .6s ease}
.transition__icon{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:20px;animation:pop .5s cubic-bezier(.34,1.56,.64,1)}
.transition__icon--tdah{background:rgba(255,159,10,.12)}
.transition__icon--aq{background:rgba(10,132,255,.12)}
.transition__icon--raads{background:rgba(100,210,255,.12)}
@keyframes pop{from{opacity:0;transform:scale(.3)}to{opacity:1;transform:scale(1)}}
.transition__title{font-size:1.6rem;font-weight:800;letter-spacing:-.5px;margin-bottom:8px}
.transition__desc{font-size:.92rem;color:var(--text-secondary);max-width:380px;margin-bottom:28px;line-height:1.65}

/* ═══ RESULTS ═══ */
.results{animation:fadeIn .8s ease;padding:32px 0 60px}
.results__header{text-align:center;margin-bottom:40px}
.results__icon{width:72px;height:72px;border-radius:20px;background:linear-gradient(145deg,var(--blue),var(--purple));display:flex;align-items:center;justify-content:center;font-size:34px;margin:0 auto 20px;box-shadow:0 8px 30px rgba(10,132,255,.2)}
.results__title{font-size:2rem;font-weight:800;letter-spacing:-1px;margin-bottom:4px}
.results__sub{font-size:.92rem;color:var(--text-secondary)}

.score-card{background:var(--bg-card);border-radius:var(--radius-xl);padding:28px;margin-bottom:14px;border:1px solid var(--border);position:relative;overflow:hidden}
.score-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px}
.score-card--tdah::before{background:linear-gradient(90deg,var(--orange),var(--red))}
.score-card--aq::before{background:linear-gradient(90deg,var(--blue),var(--purple))}
.score-card--raads::before{background:linear-gradient(90deg,var(--cyan),var(--teal))}

.sc__row{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}
.sc__label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.sc__label--tdah{color:var(--orange)}
.sc__label--aq{color:var(--blue)}
.sc__label--raads{color:var(--cyan)}
.sc__name{font-size:1rem;font-weight:600}
.sc__score{text-align:right}
.sc__val{font-size:2rem;font-weight:900;letter-spacing:-1px}
.sc__max{font-size:.75rem;color:var(--text-tertiary)}

.sc__bar{height:8px;background:var(--bg-elevated);border-radius:8px;overflow:hidden;margin-bottom:14px;position:relative}
.sc__fill{height:100%;border-radius:8px;transition:width 1.2s ease}
.sc__fill--tdah{background:linear-gradient(90deg,var(--orange),var(--red))}
.sc__fill--aq{background:linear-gradient(90deg,var(--blue),var(--purple))}
.sc__fill--raads{background:linear-gradient(90deg,var(--cyan),var(--teal))}
.sc__marker{position:absolute;top:-4px;width:2px;height:16px;background:rgba(255,255,255,.4);border-radius:1px}

.sc__interp{display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:10px;font-size:.85rem;font-weight:600}
.interp--low{background:rgba(48,209,88,.08);color:var(--green);border:1px solid rgba(48,209,88,.15)}
.interp--mod{background:rgba(255,159,10,.08);color:var(--orange);border:1px solid rgba(255,159,10,.15)}
.interp--high{background:rgba(255,69,58,.08);color:var(--red);border:1px solid rgba(255,69,58,.15)}

.sc__detail{font-size:.82rem;color:var(--text-secondary);margin-top:14px;line-height:1.65;padding:14px 16px;background:var(--surface);border-radius:10px}

/* Radar */
.radar-section{background:var(--bg-card);border-radius:var(--radius-xl);padding:28px;margin-bottom:14px;border:1px solid var(--border);text-align:center}
.radar-section__title{font-size:1.05rem;font-weight:700;margin-bottom:4px}
.radar-section__sub{font-size:.82rem;color:var(--text-secondary);margin-bottom:20px}
.radar-section canvas{max-width:100%;height:auto!important}

/* Breakdown */
.bd{background:var(--bg-card);border-radius:var(--radius-xl);padding:24px;margin-bottom:14px;border:1px solid var(--border)}
.bd__title{font-size:.92rem;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.bd__item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}
.bd__item:last-child{border-bottom:none}
.bd__item-label{flex:1;font-size:.82rem;color:var(--text-secondary);font-weight:500}
.bd__item-score{font-size:.82rem;font-weight:700;min-width:48px;text-align:right}
.bd__item-bar{width:100px;height:5px;background:var(--bg-elevated);border-radius:5px;overflow:hidden}
.bd__item-fill{height:100%;border-radius:5px}

.disclaimer{background:var(--bg-card);border-radius:var(--radius-lg);padding:22px;border:1px solid rgba(255,159,10,.12);margin-top:24px}
.disclaimer__title{font-size:.82rem;font-weight:700;color:var(--orange);margin-bottom:6px}
.disclaimer__text{font-size:.78rem;color:var(--text-secondary);line-height:1.65}

.results__actions{text-align:center;margin-top:32px}

@media(max-width:500px){
  #app{padding:0 16px}
  .welcome__title{font-size:2.2rem}
  .quiz__question{font-size:1.15rem}
  .results__title{font-size:1.6rem}
  .sc__val{font-size:1.6rem}
  .welcome__meta{gap:20px}
}