/* ==========================================================================
   Yiangou Nutrition: sign in, MFA, password reset and account setup screens.
   Mobile first.
   ========================================================================== */

/* ---------- Client sign in: stacked on phones, split from 900px ---------- */
.auth-split{display:grid;min-height:100dvh;background:var(--white)}
.auth-brand{background:var(--brand);display:flex;flex-direction:column;justify-content:space-between;gap:var(--s6);padding:var(--s6) var(--pad)}
.auth-brand .logo-tile{align-self:flex-start}
.auth-brand .logo-tile img{height:44px}
.auth-brand__title{font-size:clamp(24px,6vw,40px);line-height:1.12;letter-spacing:-.02em;color:var(--white);max-width:13em}
.auth-brand__text{display:none;margin-top:var(--s5);font-size:17px;line-height:1.6;color:var(--brand-tint);max-width:26em}
.auth-brand__copy{display:none;font-size:var(--fs-sm);color:var(--brand-soft)}
.auth-main{display:flex;align-items:flex-start;justify-content:center;padding:var(--s7) var(--pad) var(--s9)}
.auth-box{width:100%;max-width:400px}
.auth-title{font-size:clamp(26px,7vw,32px);font-weight:700;line-height:1.15;letter-spacing:-.02em}
.auth-sub{margin:var(--s3) 0 var(--s7);color:var(--text-muted)}
.auth-row{display:flex;align-items:center;justify-content:space-between;gap:var(--s3);flex-wrap:wrap;margin:4px 0 var(--s6)}
.auth-row a{font-size:14px;font-weight:700}
.divider-text{display:flex;align-items:center;gap:14px;margin:var(--s7) 0;font-size:var(--fs-xs);letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-weight:700}
.divider-text::before,.divider-text::after{content:"";flex:1;height:1px;background:var(--line)}
.back-home{margin-top:var(--s7);text-align:center;font-size:14px}
.back-home a{font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.back-home__sep{margin:0 10px;color:var(--text-muted)}
@media (min-width:900px){
  .auth-split{grid-template-columns:1fr 1fr}
  .auth-brand{padding:56px;min-height:100dvh;position:sticky;top:0}
  .auth-brand .logo-tile img{height:60px}
  .auth-brand__text,.auth-brand__copy{display:block}
  .auth-main{align-items:center;padding:56px}
}

/* Steps inside the sign-in box: password -> code */
.mfa-methods{display:flex;flex-wrap:wrap;gap:var(--s2) var(--s4);margin-top:var(--s4)}
.resend{font-size:14px;margin-top:var(--s4);color:var(--text-muted)}

/* ---------- Staff sign in (dark) ---------- */
.staff-auth{min-height:100dvh;background:var(--night);color:var(--night-text);display:flex;align-items:center;justify-content:center;padding:var(--s7) var(--pad)}
.staff-auth__inner{width:100%;max-width:420px;text-align:center}
.staff-tag{display:inline-flex;align-items:center;gap:var(--s2);background:rgba(143,202,125,.14);color:var(--brand-bright);font-weight:700;font-size:var(--fs-xs);letter-spacing:.04em;padding:6px 12px;border-radius:var(--pill);margin-bottom:22px}
.staff-card{background:var(--white);color:var(--ink);border-radius:var(--radius-xl);padding:clamp(22px,6vw,40px);text-align:left;box-shadow:var(--shadow-lg)}
.staff-card__logo{display:flex;justify-content:center;margin-bottom:var(--s5)}
.staff-card__logo img{height:52px;width:auto}
.staff-card .auth-title{font-size:24px;text-align:center}
.staff-card .auth-sub{text-align:center;margin-bottom:var(--s6)}
.staff-auth__copy{margin-top:var(--s6);font-size:var(--fs-sm);color:var(--night-muted)}

/* ---------- Single card pages: forgot, reset, setup ---------- */
.auth-page{min-height:100dvh;background:var(--brand-wash);padding:var(--s7) var(--s3) var(--s9);display:flex;flex-direction:column;align-items:center}
.auth-page > .logo-tile{margin-bottom:var(--s5)}
.auth-card{width:100%;max-width:720px;background:var(--white);border:1px solid var(--surface-muted);border-radius:22px;padding:clamp(20px,5vw,40px)}
.auth-card--sm{max-width:440px}
.auth-card .auth-title{font-size:clamp(24px,6vw,32px)}

.steps{display:flex;gap:var(--s2);flex-wrap:wrap;margin-top:var(--s4);padding:0;list-style:none}
.step{display:inline-flex;align-items:center;gap:7px;font-size:var(--fs-xs);font-weight:700;padding:7px 13px;border-radius:var(--pill);background:var(--line-faint);color:var(--text-muted)}
.step[aria-current="step"]{background:var(--brand-tint);color:var(--brand-dark)}
.rule{border:0;border-top:1px solid var(--line-faint);margin:var(--s6) 0}
.sec-head{display:flex;align-items:center;gap:10px;margin-bottom:var(--s4)}
.sec-head .disp{font-size:18px}
.sec-num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--brand);color:var(--white);font-family:var(--font-display);font-weight:800;font-size:var(--fs-sm);flex-shrink:0}

/* ---------- Security settings: authenticator QR + recovery codes ---------- */
.qr{width:200px;height:200px;padding:10px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}
.qr svg{width:100%;height:100%;display:block}
.secret{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:15px;letter-spacing:.06em;background:var(--brand-wash);border-radius:var(--radius-sm);padding:10px 12px;word-break:break-all}
.recovery-codes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s2);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:15px;background:var(--brand-wash);border-radius:var(--radius);padding:var(--s4);list-style:none}

/* ---------- Client welcome steps ---------- */
.welcome-page{min-height:100vh;min-height:100dvh;background:var(--surface-muted);padding:var(--s5) var(--s4) var(--s8)}
.welcome{max-width:720px;margin:0 auto;display:grid;gap:var(--s4)}
.welcome__brand img{width:120px;height:auto;margin:0 auto}
.welcome__card{padding:var(--s6);display:grid;gap:var(--s4);outline:none}
@media (min-width:600px){.welcome__card{padding:var(--s7)}}
.welcome__title{font-size:clamp(24px,6vw,32px);font-weight:700;letter-spacing:-.02em;line-height:1.15;color:var(--ink)}
.lead-sm{font-size:17px;color:var(--text-muted)}
.welcome__list{display:grid;gap:12px}
.welcome__list li{display:flex;align-items:center;gap:12px;font-weight:600;color:var(--ink)}
.welcome__nav{display:flex;justify-content:space-between;align-items:center;gap:var(--s3);flex-wrap:wrap;padding-top:var(--s4);border-top:1px solid var(--line-faint)}
.welcome__foot{text-align:center}
.coach-card{display:flex;align-items:center;gap:var(--s4);padding:var(--s4);border-radius:var(--radius-md);background:var(--brand-wash)}
.coach-card .avatar--lg{width:56px;height:56px;border-radius:50%;object-fit:cover;display:grid;place-items:center;background:var(--brand);color:var(--white);font-weight:800;font-size:22px}
.coach-card__name{font-weight:800;font-size:18px;color:var(--ink)}

/* Step indicator */
.stepper{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;counter-reset:step}
.stepper__item{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;position:relative}
.stepper__item:not(:last-child)::after{content:"";position:absolute;top:15px;left:calc(50% + 20px);right:calc(-50% + 20px);height:2px;background:var(--outline)}
.stepper__item.is-done:not(:last-child)::after{background:var(--brand)}
.stepper__dot{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;background:var(--white);border:2px solid var(--outline);color:var(--text-muted)}
.stepper__item.is-current .stepper__dot{border-color:var(--brand);color:var(--brand);box-shadow:0 0 0 4px var(--brand-wash)}
.stepper__item.is-done .stepper__dot{background:var(--brand);border-color:var(--brand);color:var(--white)}
.stepper__label{font-size:var(--fs-xs);font-weight:700;color:var(--text-muted)}
.stepper__item.is-current .stepper__label{color:var(--ink)}

/* Agreement document and signature */
.agreement{max-height:46vh;overflow:auto;padding:var(--s4) var(--s5);border:1px solid var(--line);border-radius:var(--radius-md);background:var(--white);display:grid;gap:var(--s3);overscroll-behavior:contain}
.agreement:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.agreement p{color:var(--text);line-height:1.55}
.agreement__h{font-weight:800;font-size:16px;color:var(--ink);margin-bottom:4px}
.sign-box{padding:var(--s4);border-radius:var(--radius-md);background:var(--surface-muted);display:grid;gap:var(--s3)}
.sign-box .field{margin-bottom:0}
.sign-box #ag-name{font-family:var(--font-display);font-size:20px}

/* Passkey sign-in, under the password form */
.passkey-alt{display:grid;gap:10px;margin-top:var(--s5)}
.passkey-alt__or{display:flex;align-items:center;gap:12px;font-size:var(--fs-xs);font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--text-faint)}
.passkey-alt__or::before,.passkey-alt__or::after{content:"";flex:1;height:1px;background:var(--line)}
.passkey-alt .hint{margin:0}