:root{
  --lav:#7C6CE0; --lav-deep:#5B4BC4; --lav-ink:#3D2E8E; --navy:#241F3D;
  --lav-soft:#C7BEF2; --lav-mist:#EEEAFB; --ink:#241F3D; --ink-soft:#6B6585;
  --line:rgba(92,75,196,.14); --page-bg:#F4F1FB;
  --green:#16b364; --red:#e23b5a; --amber:#f59e0b;
  --fs-base:1rem;        /* overridden larger on elderly pages */
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{min-height:100%}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  color:var(--ink); background:#0c0a16;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
  font-size:var(--fs-base);
}
.stage{
  position:relative; min-height:100vh;
  background:
    linear-gradient(180deg, rgba(244,241,251,.30), rgba(244,241,251,.55) 55%, rgba(244,241,251,.82)),
    url("/assets/pages/auth-bg.jpg");
  background-size:cover;
  background-position:center;
  display:flex;flex-direction:column;
}
/* top bar */
.topbar{
  position:relative; z-index:5;
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 56px; gap:16px; flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;
  background:rgba(255,255,255,.55);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  padding:6px 16px 6px 8px;
  border-radius:100px;
  box-shadow:0 4px 16px rgba(61,46,142,.12);}
.brand .logo{
  width:48px;height:48px;flex:0 0 48px;
  display:flex;align-items:center;justify-content:center;
}
.brand .logo svg{width:26px;height:26px;color:#fff}
.brand .wm{display:flex;flex-direction:column;line-height:1.05}
.brand .wm b{font-size:1.55rem;font-weight:800;color:#6d4ef0;letter-spacing:.04em}
.brand .wm span{font-size:.74rem;font-weight:600;color:var(--ink-soft);letter-spacing:.3px}
.support{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.7);backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.9);
  padding:11px 22px;border-radius:999px;
  font-weight:600;color:var(--lav-deep);cursor:pointer;text-decoration:none;
  box-shadow:0 8px 24px rgba(60,46,142,.12);
  transition:transform .2s ease, box-shadow .2s ease;
}
.support:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(60,46,142,.2)}
.support svg{width:20px;height:20px}

/* layout */
.shell{
  position:relative;z-index:5;flex:1;width:100%;
  display:flex;align-items:center;justify-content:center;
  padding:14px 20px 56px;
}
.card{
  background:rgba(255,255,255,.80);
  backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.85);
  border-radius:26px;
  padding:38px 38px 32px;
  box-shadow:0 24px 60px rgba(60,46,142,.18);
  width:100%;max-width:460px;position:relative;margin-inline:auto;
}
.role-badge{
  display:inline-flex;align-items:center;gap:9px;
  background:linear-gradient(135deg,var(--lav),var(--lav-deep));
  color:#fff;font-weight:700;font-size:.82rem;letter-spacing:.4px;
  padding:8px 16px;border-radius:999px;margin:0 auto 18px;
  box-shadow:0 10px 22px rgba(92,75,196,.34);
}
.role-badge svg{width:18px;height:18px}
.center{display:flex;justify-content:center}
.card h1{text-align:center;font-size:1.9rem;font-weight:800;color:var(--navy);letter-spacing:-.4px}
.card .sub{text-align:center;color:var(--ink-soft);font-weight:500;margin-top:7px;margin-bottom:6px}
.card .sub a{color:var(--lav-deep);font-weight:700;text-decoration:none}
.card .sub a:hover{text-decoration:underline}
.uline{height:3px;width:54px;border-radius:3px;background:var(--lav-soft);margin:14px auto 6px}

/* form */
form{margin-top:18px}
.row2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}
.field{margin-top:16px}
.field > label{display:block;font-weight:700;color:var(--navy);margin-bottom:7px;font-size:.92rem}
.input{
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1.5px solid var(--line);border-radius:14px;
  padding:0 14px;transition:border-color .15s ease, box-shadow .15s ease;
}
.input:focus-within{border-color:var(--lav);box-shadow:0 0 0 4px rgba(124,108,224,.16)}
.input.invalid{border-color:var(--red);box-shadow:0 0 0 4px rgba(226,59,90,.12)}
.input .lead{width:20px;height:20px;color:var(--lav-deep);flex:0 0 20px}
.input input{
  flex:1;border:none;outline:none;background:transparent;
  font:inherit;font-size:1rem;color:var(--ink);padding:.92rem 0;
}
.input input::placeholder{color:#a9a4bd}
.eye{
  border:none;background:transparent;cursor:pointer;color:var(--ink-soft);
  display:flex;align-items:center;justify-content:center;padding:4px;
}
.eye:hover{color:var(--lav-deep)}
.field-error{display:none;color:var(--red);font-size:.84rem;font-weight:600;margin-top:6px}
.field-error.show{display:block}
.form-error{
  display:none;background:rgba(226,59,90,.10);border:1px solid rgba(226,59,90,.3);
  color:#b3243f;font-weight:600;border-radius:12px;padding:12px 14px;margin-top:14px;font-size:.92rem;
}
.form-error.show{display:block}

.row-between{display:flex;align-items:center;justify-content:space-between;margin-top:16px;gap:10px;flex-wrap:wrap}
.check{display:inline-flex;align-items:center;gap:9px;cursor:pointer;font-weight:600;color:var(--ink-soft);user-select:none}
.check input{position:absolute;opacity:0;width:0;height:0}
.check .box{
  width:22px;height:22px;flex:0 0 22px;border-radius:7px;
  border:1.5px solid var(--lav-soft);background:#fff;
  display:flex;align-items:center;justify-content:center;color:#fff;transition:.15s;
}
.check .box svg{opacity:0;width:13px;height:13px}
.check input:checked + .box{background:linear-gradient(135deg,var(--lav),var(--lav-deep));border-color:var(--lav-deep)}
.check input:checked + .box svg{opacity:1}
.check input:focus-visible + .box{box-shadow:0 0 0 4px rgba(124,108,224,.25)}
.link{color:var(--lav-deep);font-weight:700;text-decoration:none}
.link:hover{text-decoration:underline}

.btn{
  display:flex;align-items:center;justify-content:center;gap:10px;
  width:100%;padding:16px;border:none;border-radius:14px;cursor:pointer;
  background:linear-gradient(135deg,var(--lav),var(--lav-deep));
  color:#fff;font-size:1.06rem;font-weight:700;font-family:inherit;margin-top:22px;
  box-shadow:0 14px 30px rgba(92,75,196,.42);
  transition:transform .2s ease, box-shadow .2s ease, opacity .2s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(92,75,196,.55)}
.btn:disabled{opacity:.7;cursor:default;transform:none}
.btn.loading .btn-label{opacity:.45}
.btn.loading::after{
  content:"";width:18px;height:18px;border-radius:50%;
  border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.btn-ghost{
  background:#fff;color:var(--lav-deep);border:1.5px solid var(--lav-soft);
  box-shadow:none;margin-top:12px;
}
.btn-ghost:hover{background:var(--lav-mist);box-shadow:none}

.back{
  display:inline-flex;align-items:center;gap:7px;justify-content:center;width:100%;
  margin-top:18px;color:var(--ink-soft);font-weight:600;text-decoration:none;font-size:.9rem;
}
.back:hover{color:var(--lav-deep)}
.back svg{width:16px;height:16px}

/* password strength */
.pw-strength{margin-top:10px;display:none}
.pw-strength.show{display:block}
.pw-bars{display:flex;gap:6px}
.pw-bars i{flex:1;height:6px;border-radius:3px;background:#e7e3f5;transition:.2s}
.pw-strength[data-score="1"] .pw-bars i:nth-child(-n+1),
.pw-strength[data-score="2"] .pw-bars i:nth-child(-n+2),
.pw-strength[data-score="3"] .pw-bars i:nth-child(-n+3),
.pw-strength[data-score="4"] .pw-bars i:nth-child(-n+4),
.pw-strength[data-score="5"] .pw-bars i:nth-child(-n+5){background:var(--strength,var(--lav))}
.pw-label{margin-top:7px;font-size:.82rem;font-weight:600;color:var(--ink-soft)}

/* success state */
.banner{
  display:flex;gap:12px;align-items:flex-start;
  background:rgba(22,179,100,.10);border:1px solid rgba(22,179,100,.3);
  color:#0c7a45;border-radius:14px;padding:16px;margin-bottom:14px;font-weight:500;line-height:1.5;
}
.banner svg{flex:0 0 22px;margin-top:2px}

/* toast (matches auth.js expectations) */
.toast{
  position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);
  background:var(--navy);color:#fff;font-weight:600;padding:13px 22px;border-radius:12px;
  box-shadow:0 16px 40px rgba(20,12,40,.4);opacity:0;pointer-events:none;
  transition:.3s;z-index:50;max-width:90vw;text-align:center;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast[data-type="success"]{background:#0c7a45}
.toast[data-type="error"]{background:#b3243f}

.foot{
  position:relative;z-index:5;text-align:center;color:var(--ink-soft);
  font-size:.82rem;font-weight:500;padding:18px;background:rgba(244,241,251,.5);
}

/* ---- elderly accessibility scale ---- */
body.elderly{--fs-base:1.12rem}
body.elderly .card{max-width:500px;padding:42px 42px 34px}
body.elderly .card h1{font-size:2.15rem}
body.elderly .field > label{font-size:1.02rem}
body.elderly .input input{font-size:1.12rem;padding:1.05rem 0}
body.elderly .btn{font-size:1.18rem;padding:18px}
body.elderly .check{font-size:1.02rem}

@media(max-width:560px){
  .topbar{padding:18px 20px}
  .card{padding:30px 24px 26px}
  .row2{grid-template-columns:1fr}
  body.elderly .card{padding:32px 24px 28px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important}
}

/* iPhone Safari: full-height sections follow the dynamic viewport (responsive job, 21 Oct 2026) */
@supports (height: 100dvh){
  .stage{min-height:100dvh}
}

/* phones: the main column never runs past the screen (responsive job, 21 Oct 2026) */
@media (max-width:640px){
  .auth-main,.auth-wrap{box-sizing:border-box;max-width:100%;min-width:0}
}