:root{
  color-scheme: light dark;
  --sky-soft:#7dd3fc;
  --bg:#f1f5f9;
  --bg:oklch(0.971 0.006 247);
  --surface:#ffffff;
  --surface:oklch(1 0 0);
  --ink:#0f172a;
  --ink:oklch(0.21 0.04 257);
  --muted:#64748b;
  --muted:oklch(0.55 0.03 257);
  --label:#334155;
  --label:oklch(0.37 0.04 257);
  --line:#e2e8f0;
  --line:oklch(0.922 0.01 255);
  --line-strong:#cbd5e1;
  --line-strong:oklch(0.85 0.02 255);
  --field-bg:#ffffff;
  --field-bg:oklch(1 0 0);
  --placeholder:#94a3b8;
  --placeholder:oklch(0.68 0.03 257);
  --blue:#1d4ed8;
  --blue:oklch(0.52 0.2 264);
  --blue-dark:#1e3a8a;
  --navy:#0b1120;
  --on-accent:#ffffff;
  --danger:#dc2626;
  --danger-bg:#fef2f2;
  --danger-line:#fecaca;
  --danger-text:#991b1b;
  --success:#047857;
  --success-bg:#ecfdf5;
  --success-line:#a7f3d0;
  --success-text:#065f46;
  --warn-bg:#fffbeb;
  --warn-line:#fde68a;
  --warn-text:#92400e;
  --info-bg:#eff6ff;
  --info-line:#bfdbfe;
  --info-text:#1e40af;
  --shadow:0 12px 40px rgba(2,6,23,.08);
  --radius:16px;
  --ring:0 0 0 4px rgba(37,99,235,.30);
  --brand-font:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1120;
    --bg:oklch(0.19 0.03 257);
    --surface:#111827;
    --surface:oklch(0.23 0.03 257);
    --ink:#e5e7eb;
    --ink:oklch(0.93 0.01 255);
    --muted:#94a3b8;
    --muted:oklch(0.71 0.03 257);
    --label:#cbd5e1;
    --label:oklch(0.83 0.02 257);
    --line:#243042;
    --line:oklch(0.32 0.02 257);
    --line-strong:#334155;
    --line-strong:oklch(0.42 0.03 257);
    --field-bg:#0b1120;
    --field-bg:oklch(0.17 0.03 257);
    --placeholder:#64748b;
    --placeholder:oklch(0.55 0.03 257);
    --blue:#3b82f6;
    --blue:oklch(0.62 0.19 264);
    --danger-bg:#2a1416;
    --danger-line:#7f1d1d;
    --danger-text:#fca5a5;
    --success-bg:#0c211a;
    --success-line:#14532d;
    --success-text:#86efac;
    --warn-bg:#241a06;
    --warn-line:#78350f;
    --warn-text:#fcd34d;
    --info-bg:#0f1d33;
    --info-line:#1e3a8a;
    --info-text:#93c5fd;
    --shadow:0 16px 48px rgba(0,0,0,.45);
    --ring:0 0 0 4px rgba(59,130,246,.40);
  }
}

*{box-sizing:border-box}

html,
body{height:100%}

body.auth-body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji",sans-serif;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible{
  outline:none;
  box-shadow:var(--ring);
  border-radius:10px;
}

@media (prefers-reduced-motion: reduce){
  *{
    transition:none !important;
    animation:none !important;
  }
}

.auth-shell{min-height:100dvh; display:grid; grid-template-columns:1fr;}

@media (min-width:992px){
  .auth-shell{grid-template-columns:1.05fr .95fr}
}

.auth-brand{
  position:relative;
  overflow:hidden;
  padding:28px 24px;
  color:#fff;
  background:
    radial-gradient(900px 520px at 8% 2%, rgba(56,189,248,.22), transparent 55%),
    radial-gradient(820px 640px at 96% 104%, rgba(37,99,235,.42), transparent 55%),
    linear-gradient(158deg, #0e2a6b 0%, #122f7d 38%, #0a1430 100%);
}

@media (min-width:992px){
  .auth-brand{
    display:flex;
    flex-direction:column;
    justify-content:space-between;
    padding:56px 56px;
  }
}

/* Faint dot-grid texture, faded toward the edges for depth. */
.auth-brand::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px, transparent 1.4px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(circle at 25% 18%, #000 0%, transparent 72%);
  mask-image:radial-gradient(circle at 25% 18%, #000 0%, transparent 72%);
  opacity:.6;
  pointer-events:none;
}

/* Soft ambient glow anchored to the bottom-right corner. */
.auth-brand::after{
  content:"";
  position:absolute;
  inset:auto -140px -180px auto;
  width:460px;
  height:460px;
  border-radius:50%;
  background:radial-gradient(circle at 32% 32%, rgba(125,211,252,.32), transparent 62%);
  filter:blur(6px);
  pointer-events:none;
}

.brand-mark{display:flex; align-items:center; position:relative; z-index:1}
.brand-lockup{display:flex; flex-direction:column; gap:9px}
.brand-word{font-family:var(--brand-font); font-size:28px; font-weight:800; letter-spacing:-.03em; line-height:1}
.brand-word .blue{
  background:linear-gradient(90deg, #7dd3fc, #bae6fd);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:var(--sky-soft);
}
.brand-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  align-self:flex-start;
  padding:4px 11px 4px 9px;
  font-family:var(--brand-font);
  font-size:11px;
  font-weight:700;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:rgba(255,255,255,.92);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  border-radius:999px;
  backdrop-filter:blur(6px);
}
.brand-tag__dot{
  width:7px;
  height:7px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--sky-soft);
  box-shadow:0 0 0 0 rgba(125,211,252,.55);
  animation:brand-pulse 2.4s ease-out infinite;
}
@keyframes brand-pulse{
  0%{box-shadow:0 0 0 0 rgba(125,211,252,.5)}
  70%{box-shadow:0 0 0 7px rgba(125,211,252,0)}
  100%{box-shadow:0 0 0 0 rgba(125,211,252,0)}
}
@keyframes brand-rise{
  from{opacity:0; transform:translateY(12px)}
  to{opacity:1; transform:none}
}
.brand-mark{animation:brand-rise .5s cubic-bezier(.2,.7,.2,1) both}
.brand-hero{position:relative; z-index:1; margin:28px 0; animation:brand-rise .5s cubic-bezier(.2,.7,.2,1) .08s both}
.brand-feats{animation:brand-rise .5s cubic-bezier(.2,.7,.2,1) .16s both}
.brand-foot{animation:brand-rise .5s cubic-bezier(.2,.7,.2,1) .24s both}
.brand-hero h2{font-family:var(--brand-font); font-size:clamp(24px,3.4vw,38px); line-height:1.1; font-weight:800; letter-spacing:-.02em; margin:0 0 12px}
.brand-hero p{font-size:15px; line-height:1.6; color:rgba(255,255,255,.82); max-width:42ch; margin:0}
.brand-feats{list-style:none; margin:26px 0 0; padding:0; display:grid; gap:14px; position:relative; z-index:1}
.brand-feats li{display:flex; align-items:center; gap:13px; font-size:14.5px; font-weight:600; color:rgba(255,255,255,.92)}
.brand-feat__icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  flex:0 0 auto;
  color:var(--sky-soft);
  background:rgba(125,211,252,.12);
  border:1px solid rgba(125,211,252,.22);
  border-radius:11px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1);
}
.brand-foot{position:relative; z-index:1; display:flex; flex-direction:column; gap:8px}
.brand-foot__notice{margin:0; display:flex; align-items:center; gap:8px; font-size:12.5px; color:rgba(255,255,255,.7)}
.brand-foot__notice svg{flex:0 0 auto; opacity:.85}
.brand-foot__by{margin:0; font-size:11.5px; letter-spacing:.04em; color:rgba(255,255,255,.5)}
.brand-foot__link{color:rgba(255,255,255,.72); font-weight:600; text-decoration:none; border-bottom:1px solid rgba(125,211,252,.4); transition:color .15s, border-color .15s}
.brand-foot__link:hover{color:#fff; border-color:var(--sky-soft)}

.auth-main{display:flex; flex-direction:column; align-items:center; justify-content:center; padding:32px 20px}

@media (min-width:992px){
  .auth-main{padding:48px}
}

.auth-card{
  position:relative;
  overflow:hidden;
  width:100%;
  max-width:440px;
  padding:30px 26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 1px 2px rgba(2,6,23,.04), 0 18px 50px -12px rgba(2,6,23,.18);
  animation:auth-card-in .35s cubic-bezier(.2,.7,.2,1) both;
}

/* Thin brand accent along the top edge of the card. */
.auth-card::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:3px;
  background:linear-gradient(90deg, var(--blue), #38bdf8);
}

@keyframes auth-card-in{
  from{opacity:0; transform:translateY(10px)}
  to{opacity:1; transform:none}
}

@keyframes auth-spin{
  to{transform:translate(-50%, -50%) rotate(360deg)}
}

@media (min-width:480px){
  .auth-card{padding:36px 34px}
}

.auth-card h1{font-family:var(--brand-font); font-size:clamp(22px,4.5vw,28px); font-weight:800; letter-spacing:-.02em; color:var(--ink); margin:0 0 6px}
.auth-sub{color:var(--muted); font-size:15px; line-height:1.5; margin:0 0 22px}
.auth-help{margin:18px 0 0; font-size:13.5px; color:var(--muted); text-align:center}
.auth-foot{margin:18px 0 0; font-size:12px; color:var(--muted); text-align:center}
.auth-link{color:var(--blue); font-weight:600; text-decoration:none}
.auth-link:hover{text-decoration:underline}
.auth-row-end{display:flex; justify-content:flex-end; margin:-6px 0 16px}

.auth-card .form-group,
.auth-card .mb-3{margin-bottom:16px}

.auth-card label{display:block; font-size:13.5px; font-weight:600; color:var(--label); margin-bottom:6px; transition:color .15s}
.auth-card .form-group:has(input:focus),
.auth-card .form-group:has(select:focus),
.auth-card .form-group:has(textarea:focus){}
.auth-card .form-group:has(input:focus) > label,
.auth-card .form-group:has(textarea:focus) > label,
.auth-card .form-group:has(select:focus) > label{color:var(--blue)}
.auth-card .asteriskField{color:var(--danger); margin-left:2px}

.auth-card input:not([type=checkbox]):not([type=radio]):not([type=submit]):not([type=button]):not([type=hidden]),
.auth-card select,
.auth-card textarea{
  width:100%;
  min-height:50px;
  padding:12px 14px;
  font-size:16px;
  line-height:1.4;
  color:var(--ink);
  background:var(--field-bg);
  border:1.5px solid var(--line);
  border-radius:12px;
  outline:none;
  appearance:none;
  transition:border-color .15s, box-shadow .15s;
}

.auth-card input:not([type=checkbox]):not([type=radio]):hover:not(:focus),
.auth-card select:hover:not(:focus),
.auth-card textarea:hover:not(:focus){border-color:var(--line-strong)}

.auth-card input[type=checkbox],
.auth-card input[type=radio]{
  width:18px;
  height:18px;
  min-height:0;
  margin:0;
  padding:0;
  vertical-align:middle;
  accent-color:var(--blue);
}

.auth-card input:not([type=checkbox]):not([type=radio]):focus,
.auth-card select:focus,
.auth-card textarea:focus{border-color:var(--blue); box-shadow:var(--ring)}

.auth-card input::placeholder{color:var(--placeholder)}
.auth-card .form-text,
.auth-card small,
.auth-card .helptext{display:block; margin-top:6px; font-size:12.5px; color:var(--muted)}
.auth-card .form-check{display:flex; align-items:center; gap:9px}
.auth-card .form-check label,
.auth-card .form-check-label{margin:0; font-weight:500; color:var(--muted); font-size:14px}
.auth-card .form-check-input{width:18px; height:18px; min-height:0; margin:0}
.auth-card .radio{margin:6px 0}
.auth-card .radio label{display:flex; align-items:center; gap:8px; font-weight:500; color:var(--ink)}

.auth-card .is-invalid,
.auth-card input.is-invalid{border-color:var(--danger)}

.auth-card .invalid-feedback,
.auth-card .errorlist,
.auth-card .text-danger{display:block; margin-top:6px; color:var(--danger); font-size:13px; font-weight:500}

.auth-card .errorlist{list-style:none; padding:0; margin:6px 0 0}

.auth-alert,
.auth-card .alert{
  margin:0 0 16px;
  padding:12px 14px;
  font-size:13.5px;
  line-height:1.5;
  border:1px solid transparent;
  border-radius:12px;
}

.auth-card .alert ul,
.auth-alert ul{margin:0; padding-left:1.1em}

.alert.error,
.alert-danger,
.alert.alert-danger,
.auth-alert.error,
.auth-alert.bg-danger{background:var(--danger-bg); border-color:var(--danger-line); color:var(--danger-text)}

.alert.success,
.alert-success,
.auth-alert.success,
.auth-alert.bg-success{background:var(--success-bg); border-color:var(--success-line); color:var(--success-text)}

.auth-alert.bg-warning{background:var(--warn-bg); border-color:var(--warn-line); color:var(--warn-text)}

.alert.info,
.alert.warning,
.alert-info,
.alert-warning,
.auth-alert.bg-info,
.auth-alert.bg-primary{background:var(--info-bg); border-color:var(--info-line); color:var(--info-text)}

.auth-alert p,
.auth-card .alert p{margin:0}

.auth-card .btn,
.auth-card button[type=submit],
.auth-card input[type=submit],
.auth-btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  width:100%;
  min-height:52px;
  padding:13px 18px;
  font-size:16px;
  font-weight:700;
  color:#fff;
  cursor:pointer;
  border:none;
  border-radius:12px;
  background:linear-gradient(135deg,var(--blue),var(--blue-dark));
  box-shadow:0 8px 20px rgba(29,78,216,.25);
  transition:transform .04s ease, box-shadow .15s, filter .15s, opacity .15s ease;
}

.auth-card .btn:hover,
.auth-card button[type=submit]:hover,
.auth-card input[type=submit]:hover,
.auth-btn:hover{filter:brightness(1.05); box-shadow:0 10px 26px rgba(29,78,216,.32)}

.auth-card .btn.btn-danger:hover{box-shadow:0 10px 26px rgba(220,38,38,.3)}

.auth-card .btn:active,
.auth-btn:active{transform:translateY(1px)}

.auth-card .btn:focus-visible,
.auth-card button:focus-visible{box-shadow:var(--ring)}

.auth-card .btn.btn-danger{
  background:linear-gradient(135deg, #dc2626, #991b1b);
  box-shadow:0 8px 20px rgba(220,38,38,.24);
}

.auth-card .btn[disabled],
.auth-card button[type=submit][disabled],
.auth-card input[type=submit][disabled]{
  opacity:.72;
  filter:none;
  box-shadow:none;
  cursor:not-allowed;
}

.auth-card .btn.is-busy,
.auth-card button[type=submit].is-busy,
.auth-card input[type=submit].is-busy{
  opacity:1;
  color:transparent;
  cursor:progress;
}

.auth-card .btn.is-busy::before,
.auth-card button[type=submit].is-busy::before,
.auth-card input[type=submit].is-busy::before{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  width:18px;
  height:18px;
  border:2px solid rgba(255,255,255,.35);
  border-top-color:#fff;
  border-radius:50%;
  transform:translate(-50%, -50%);
  animation:auth-spin .8s linear infinite;
}

.auth-card a.button,
.auth-card a.secondaryAction{
  display:inline;
  width:auto;
  min-height:0;
  padding:0;
  font-weight:600;
  color:var(--blue);
  text-decoration:none;
  background:none;
  box-shadow:none;
}

.auth-card a.button:hover,
.auth-card a.secondaryAction:hover{text-decoration:underline}

.auth-card form.is-submitting{pointer-events:none}

.auth-pw-wrap{position:relative}
.auth-pw-wrap input{padding-right:64px}

.auth-pw-toggle{
  position:absolute;
  top:50%;
  right:8px;
  width:auto;
  min-height:0;
  padding:8px 10px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--blue);
  background:transparent;
  border:none;
  border-radius:8px;
  box-shadow:none;
  cursor:pointer;
  transform:translateY(-50%);
}

.auth-pw-toggle:hover{background:var(--info-bg)}

.auth-status-icon{
  width:56px;
  height:56px;
  margin:0 0 14px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--blue);
  background:var(--info-bg);
  border-radius:50%;
}

.auth-status-icon.success{background:var(--success-bg); color:var(--success-text)}
.auth-status-icon.warn{background:var(--warn-bg); color:var(--warn-text)}

.auth-form-status{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:14px;
  padding:12px 14px;
  font-size:13.5px;
  line-height:1.45;
  color:var(--info-text);
  background:var(--info-bg);
  border:1px solid var(--info-line);
  border-radius:12px;
}

.auth-form-status__spinner{
  width:16px;
  height:16px;
  flex:0 0 auto;
  opacity:.8;
  border:2px solid currentColor;
  border-right-color:transparent;
  border-radius:50%;
  animation:auth-status-spin .7s linear infinite;
}

@keyframes auth-status-spin{
  to{transform:rotate(360deg)}
}

/* Mobile: keep the brand panel a slim bar and put the sign-in card at the top.
   Placed last so these overrides win the cascade over the base rules above. */
@media (max-width:991px){
  .brand-hero,
  .brand-feats,
  .brand-foot{display:none}

  .auth-shell{grid-template-rows:auto 1fr}
  .auth-brand{padding:16px 20px}
  .auth-main{justify-content:flex-start; padding:20px 18px 32px}
  .auth-card{padding:26px 22px; box-shadow:0 10px 30px -10px rgba(2,6,23,.12)}
}