/* ==========================================================
   Student Accommodation Registry Portal — sign-in screens
   Bright campus photograph on the left fading into the page,
   floating white masthead, credentials in a white card.
   Ink #10233A · Teal #0B6E69 · Marigold #E8912D · Indigo #1A237E
   ========================================================== */
:root{
  --ink:#10233A; --ink-2:#4A5B6B; --ink-3:#7C8A97;
  --accent:#0B6E69; --accent-deep:#07524E; --accent-bright:#17A393;
  --accent-wash:#E9F3F2; --accent-ring:rgba(11,110,105,.16);
  --marigold:#D9892B;
  --line:#E4EAEA; --line-strong:#D3DDDD;
  --danger:#B42318; --danger-wash:#FEF3F2; --ok:#067647; --ok-wash:#ECFDF3;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --r:12px;
}
.auth-body.is-admin{
  --accent:#1A237E; --accent-deep:#121a5e; --accent-bright:#3F51B5;
  --accent-wash:#EEF0FA; --accent-ring:rgba(26,35,126,.16);
}

*,*::before,*::after{box-sizing:border-box}
html,body{min-height:100%}
body.auth-body{
  margin:0;color:var(--ink);
  background:
    radial-gradient(60% 50% at 0% 0%,#FFF6E8 0,rgba(255,246,232,0) 70%),
    radial-gradient(50% 60% at 100% 100%,#E8F4F2 0,rgba(232,244,242,0) 70%),
    #FAFCFB;
  font-family:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.5;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
.auth-body.is-admin{
  background:
    radial-gradient(60% 50% at 0% 0%,#FFF6E8 0,rgba(255,246,232,0) 70%),
    radial-gradient(50% 60% at 100% 100%,#ECEEFA 0,rgba(236,238,250,0) 70%),
    #FAFBFD;
}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent-ring);outline-offset:2px;border-radius:6px}

.auth-shell{
  min-height:100vh;max-width:1340px;margin:0 auto;
  padding:22px 32px 18px;display:flex;flex-direction:column;
}

/* ---------- floating masthead ---------- */
.auth-masthead{
  position:relative;z-index:2;
  display:flex;align-items:center;gap:22px;
  padding:14px 28px 14px 22px;border-radius:26px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:0 18px 40px -22px rgba(16,35,58,.28),0 2px 6px rgba(16,35,58,.04);
}
.masthead-logo{flex:none;display:block;width:84px;height:84px;filter:drop-shadow(0 4px 10px rgba(80,30,120,.18))}
.masthead-text{min-width:0;flex:1}
.masthead-title{
  margin:0;font-family:var(--serif);font-weight:700;
  font-size:2rem;line-height:1.15;letter-spacing:-.01em;color:var(--ink);
}
.masthead-org{
  position:relative;display:inline-block;margin:.45rem 0 0;padding-bottom:.6rem;
  color:var(--ink-2);font-size:.82rem;font-weight:600;letter-spacing:.38em;text-transform:uppercase;
}
.masthead-org::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:3px;border-radius:3px;background:var(--marigold)}
.masthead-badge{
  flex:none;display:flex;align-items:center;gap:.85rem;
  padding:12px 22px 12px 18px;border-radius:999px;
  background:var(--accent-wash);color:var(--ink);
}
.masthead-badge > i{font-size:1.55rem;color:var(--accent)}
.masthead-badge b{display:block;font-weight:700;font-size:.9rem;line-height:1.3}
.masthead-badge span{display:block;color:var(--ink-2);font-size:.78rem}

/* ---------- photo + card ---------- */
.auth-split{
  flex:1;position:relative;
  display:grid;grid-template-columns:minmax(0,1.45fr) minmax(470px,1fr);
  align-items:stretch;align-content:center;gap:0;padding:18px 0 22px;
}
/* the photo bleeds to the left edge and rises behind the masthead */
/* the photo rises behind the masthead and ends on the same line as the card */
.auth-art{position:relative;display:flex;margin:-28px -6px 0 -32px}
.art-figure{
  position:relative;margin:0;width:100%;height:100%;
  container-type:inline-size;
}
/* the photograph fades into the page on every edge but the bottom-left */
.art-photo{
  position:absolute;inset:0;display:block;width:100%;height:100%;
  object-fit:cover;object-position:72% 100%;
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 7%,#000 90%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 9%);
  -webkit-mask-composite:source-in;
  mask-image:linear-gradient(to right,transparent 0,#000 7%,#000 90%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 9%);
  mask-composite:intersect;
}
.art-copy{position:absolute;left:12%;top:10%;width:56%;text-align:left}
.art-kicker{
  position:relative;display:block;padding-top:1.9cqw;
  color:var(--marigold);font-weight:700;font-size:max(11px,1.35cqw);letter-spacing:.38em;text-transform:uppercase;
}
.art-kicker::before{content:"";position:absolute;left:0;top:0;width:5.8cqw;height:3px;border-radius:3px;background:var(--marigold)}
.art-copy h2{
  margin:2.2cqw 0 1.6cqw;font-family:var(--serif);font-weight:400;
  font-size:5.3cqw;line-height:1.14;letter-spacing:-.015em;color:var(--ink);
  text-shadow:0 1px 18px rgba(255,255,255,.9);
}
.auth-body.is-admin .art-copy h2{color:#141B4D}
.art-copy p{
  margin:0;max-width:40ch;color:var(--ink-2);font-size:max(13px,1.9cqw);line-height:1.5;
  text-shadow:0 1px 12px rgba(255,255,255,.95);font-weight:bold;
}
@media (prefers-reduced-motion:no-preference){
  .art-copy{animation:rise .7s cubic-bezier(.2,.7,.2,1) both}
  .auth-card{animation:rise .7s cubic-bezier(.2,.7,.2,1) .12s both}
  @keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
}

.auth-panel{position:relative;z-index:1;display:flex;justify-content:flex-end;align-items:flex-start}
.auth-card{
  position:relative;width:100%;max-width:600px;
  padding:42px 46px 28px;border-radius:28px;background:#fff;
  border:1px solid rgba(228,234,234,.9);
  box-shadow:0 30px 70px -30px rgba(16,35,58,.32),0 4px 14px rgba(16,35,58,.05);
}
.auth-card-icon{
  float:right;margin:-8px -6px 10px 18px;display:grid;place-items:center;
  width:82px;height:82px;border-radius:50%;color:var(--accent);font-size:1.8rem;
  background:radial-gradient(circle at 35% 30%,#fff 0,var(--accent-wash) 70%);
  box-shadow:0 0 0 14px rgba(233,243,242,.55),0 12px 26px -12px var(--accent-ring);
}
.auth-body.is-admin .auth-card-icon{box-shadow:0 0 0 14px rgba(238,240,250,.6),0 12px 26px -12px var(--accent-ring)}
.auth-form{position:relative;width:100%}

/* ---------- form ---------- */
.auth-kicker{
  display:flex;align-items:center;gap:.9rem;margin:0 0 1.1rem;
  color:var(--marigold);font-weight:700;font-size:.8rem;letter-spacing:.32em;text-transform:uppercase;
}
.auth-kicker::before{content:"";width:40px;height:2px;border-radius:2px;background:var(--marigold)}
.auth-title{
  font-family:var(--serif);font-size:2.1rem;font-weight:700;letter-spacing:-.015em;
  line-height:1.15;margin:0 0 .7rem;
}
.nowrap{white-space:nowrap}
.auth-lead{color:var(--ink-2);margin:0 0 1.9rem;font-size:1rem;line-height:1.6;max-width:30rem}

.f-group{margin-bottom:1.2rem}
.f-label{display:block;font-weight:700;font-size:.92rem;margin-bottom:.5rem}
.f-hint{display:block;color:var(--ink-3);font-size:.82rem;margin:-.15rem 0 .45rem}

.f-control{position:relative;display:flex;align-items:center}
.f-control > i{
  position:absolute;left:20px;color:var(--ink-2);font-size:1.05rem;
  pointer-events:none;transition:color .18s ease;
}
/* thin divider after the leading icon */
.f-control::before{
  content:"";position:absolute;left:56px;top:16px;bottom:16px;width:1px;background:var(--line-strong);pointer-events:none;z-index:1;
}
.f-input{
  width:100%;height:62px;border:1.5px solid var(--line-strong);border-radius:14px;
  padding:0 18px 0 74px;background:#fff;color:var(--ink);caret-color:var(--accent);
  font:600 1.02rem "Manrope",sans-serif;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.f-input::placeholder{color:#A3B0BB;font-weight:500}
.f-input:hover{border-color:#B9C8C8}
.f-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-ring)}
.f-control:focus-within > i{color:var(--accent)}
.f-prefix{
  position:absolute;left:74px;font-weight:700;color:var(--ink);pointer-events:none;
  padding-right:14px;border-right:1px solid var(--line-strong);line-height:30px;
}
.f-input.has-prefix{padding-left:136px}
.f-toggle{
  position:absolute;right:10px;border:0;background:transparent;color:var(--ink-3);
  width:42px;height:42px;border-radius:10px;transition:background .15s,color .15s;
}
.f-toggle:hover{background:var(--accent-wash);color:var(--accent)}
.f-error{color:var(--danger);font-size:.85rem;font-weight:600;margin-top:.4rem;display:block}
.f-group.has-error .f-input{border-color:var(--danger)}
.f-group.has-error .f-input:focus{box-shadow:0 0 0 4px rgba(180,35,24,.14)}

.otp-input{
  height:70px;padding:0 16px;text-align:center;
  font:800 1.85rem "Manrope",sans-serif;letter-spacing:.55em;text-indent:.55em;
}

.btn-go{
  display:flex;align-items:center;justify-content:center;gap:.65rem;
  width:100%;height:62px;margin-top:.6rem;border:0;border-radius:16px;
  background:linear-gradient(100deg,var(--accent-deep) 0%,var(--accent) 45%,var(--accent-bright) 100%);
  color:#fff;font:700 1.08rem "Manrope",sans-serif;
  box-shadow:0 14px 28px -14px var(--accent),inset 0 1px 0 rgba(255,255,255,.18);
  transition:filter .18s ease,box-shadow .18s ease,transform .08s ease;
}
.btn-go i{transition:transform .18s ease}
.btn-go:hover{color:#fff;filter:brightness(1.06);box-shadow:0 18px 32px -14px var(--accent),inset 0 1px 0 rgba(255,255,255,.18)}
.btn-go:hover i{transform:translateX(4px)}
.btn-go:active{transform:translateY(1px)}
.btn-go[disabled]{opacity:.65;cursor:progress;box-shadow:none}
.btn-link{border:0;background:none;padding:0;color:var(--accent);font-weight:700;font-size:.9rem}
.btn-link:hover{text-decoration:underline}
.btn-link[disabled]{color:var(--ink-3);cursor:not-allowed;text-decoration:none}

.notice{
  display:flex;gap:.7rem;align-items:flex-start;border-radius:var(--r);
  padding:.85rem 1rem;margin-bottom:1.35rem;font-size:.9rem;line-height:1.45;
}
.notice i{margin-top:.15rem}
.notice-error{background:var(--danger-wash);color:var(--danger)}
.notice-ok{background:var(--ok-wash);color:var(--ok)}
.notice-info{background:var(--accent-wash);color:var(--accent-deep)}

.sent-to{
  background:#F7FAFA;border:1px solid var(--line);border-radius:var(--r);
  padding:.9rem 1.05rem;margin-bottom:1.4rem;font-size:.9rem;color:var(--ink-2);
}
.sent-to b{color:var(--ink)}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-top:1.05rem;font-size:.9rem;color:var(--ink-2)}
.alt-portal{margin:1.4rem 0 0;font-size:.9rem;color:var(--ink-2)}
.alt-portal a{color:var(--accent);font-weight:700;text-decoration:none}
.alt-portal a:hover{text-decoration:underline}
.pw-rules{font-size:.82rem;color:var(--ink-3);margin:-.4rem 0 1.2rem}


.auth-foot{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem;
  padding-top:14px;border-top:1px solid var(--line);color:var(--ink-3);font-size:.8rem;
}
.auth-foot a{color:var(--ink-3)}

/* ---------- standalone message pages (error, access denied) ---------- */
.auth-standalone{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:32px;text-align:center;
}
.auth-standalone .auth-form{max-width:460px;padding:44px 40px;border-radius:28px;background:#fff;box-shadow:0 30px 70px -30px rgba(16,35,58,.3)}
.auth-standalone .auth-title{max-width:none}
.auth-standalone .auth-lead{margin-left:auto;margin-right:auto}
.auth-standalone .btn-go{display:inline-flex;width:auto;padding:0 1.8rem;text-decoration:none}
.auth-standalone .code{color:var(--marigold);font-weight:800;letter-spacing:.12em;margin:0;font-size:.82rem}
.auth-standalone .ref{color:var(--ink-3);font-size:.8rem;margin-top:1.5rem}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .auth-shell{padding:18px 22px 16px}
  .auth-art{margin:-24px -6px 0 -22px}
  /* narrower column: show the whole photo, anchored to the card's bottom line */
  .art-photo{
    object-fit:contain;object-position:50% 100%;
    -webkit-mask-image:linear-gradient(to right,transparent 0,#000 7%,#000 90%,transparent 100%),linear-gradient(to bottom,transparent 0,transparent 24%,#000 46%);
    mask-image:linear-gradient(to right,transparent 0,#000 7%,#000 90%,transparent 100%),linear-gradient(to bottom,transparent 0,transparent 24%,#000 46%);
  }
  .auth-split{grid-template-columns:minmax(0,1.25fr) minmax(420px,1fr)}
  .masthead-title{font-size:1.6rem}
  .auth-card{padding:40px 36px 26px}
  .auth-card-icon{width:72px;height:72px;font-size:1.5rem}
  .auth-title{font-size:1.95rem}
}
@media (max-width:960px){
  .masthead-badge{display:none}
  .auth-split{grid-template-columns:1fr;padding-top:0}
  /* on tablets and phones the photo becomes a soft banner behind the card */
  .auth-art{position:absolute;inset:0 -22px auto;margin:0;opacity:.55;pointer-events:none}
  .art-figure{height:auto}
  .art-photo{
    position:static;height:auto;
    -webkit-mask-image:linear-gradient(to right,transparent 0,#000 7%,#000 90%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 12%,#000 75%,transparent 100%);
    mask-image:linear-gradient(to right,transparent 0,#000 7%,#000 90%,transparent 100%),linear-gradient(to bottom,transparent 0,#000 12%,#000 75%,transparent 100%);
  }
  .art-copy{display:none}
  .auth-panel{justify-content:center;padding-top:clamp(120px,22vw,220px)}
}
@media (max-width:560px){
  .auth-shell{padding:12px 12px 14px}
  .auth-masthead{gap:12px;padding:10px 14px;border-radius:18px}
  .masthead-logo{width:52px;height:52px}
  .masthead-title{font-size:1.12rem}
  .masthead-org{font-size:.66rem;letter-spacing:.24em;margin-top:.25rem;padding-bottom:.4rem}
  .masthead-org::after{width:32px;height:2px}
  .auth-art{inset:0 -12px auto}
  .auth-panel{padding-top:110px}
  .auth-card{padding:28px 20px 20px;border-radius:22px}
  .auth-card-icon{display:none}
  .auth-title{font-size:1.6rem}
  .auth-lead{font-size:.94rem;margin-bottom:1.5rem}
  .f-input{height:56px}
  .btn-go{height:56px}
}