/* ============ Verified blue-teal palette (WCAG-audited) ============ */
:root{
  --panel:#0A2F40;        /* deep blue-teal panel                */
  --panel-body:#C3D9E2;   /* 9.60:1 on panel  AAA                */
  --panel-faint:#8FB4C4;  /* 6.36:1 on panel  AA                 */
  --ice:#7EC8EA;          /* 7.59:1 on panel  accent             */
  --node-label:#A5C8D6;   /* 7.92:1 on panel  canvas labels      */

  --paper:#FFFFFF;
  --wash:#F1F6F8;         /* input fill                          */
  --ink:#122B35;          /* 14.8:1 on white  AAA                */
  --muted:#3F5763;        /* 7.62:1 on white  AAA                */
  --faint:#57707B;        /* 5.24:1 on white  AA                 */
  --border:#7B929C;       /* 3.26:1 on white  UI pass            */
  --border-soft:#D4DFE4;

  --blue-700:#0E7490;     /* 5.36:1 on white  icons/focus        */
  --blue-800:#0B5570;     /* 8.24:1 w/ white  buttons/links AAA  */
  --blue-900:#083D50;     /* 11.7:1 w/ white  hover        AAA   */
  --pill-bg:#DBEEF5;

  --error:#B42318;
  --warn:#8A5A00;

  --radius:10px;
  --f-display:"Bricolage Grotesque",sans-serif;
  --f-body:"Instrument Sans",system-ui,sans-serif;
  --f-mono:"Spline Sans Mono",monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{font-family:var(--f-body);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}

.shell{display:grid;grid-template-columns:minmax(430px,47%) 1fr;height:100vh;height:100dvh}

/* ============ Brand panel ============ */
.panel{position:relative;background:var(--panel);color:#fff;overflow:hidden}
#panel-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;pointer-events:none}
.panel-inner{
  position:relative;z-index:1;height:100%;
  display:flex;flex-direction:column;
  padding:26px 44px 22px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;width:max-content;min-height:40px}
.brand:focus-visible{outline:2px solid var(--ice);outline-offset:4px;border-radius:6px}
.brand-mark{height:40px;display:flex;align-items:center}
.brand-mark img{display:block;height:100%;width:auto;max-width:150px;object-fit:contain}
.brand-name{font-family:var(--f-display);font-weight:600;font-size:18px;letter-spacing:.01em}

.viz-space{flex:1 1 auto;min-height:220px}

.panel-text{max-width:430px}
.panel-text h1{
  font-family:var(--f-display);font-weight:600;
  font-size:clamp(22px,2.1vw,29px);line-height:1.16;letter-spacing:-0.015em;
}
.panel-text .lede{color:var(--panel-body);font-size:13.5px;line-height:1.6;margin-top:9px;max-width:46ch}

.panel-foot{
  display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center;margin-top:18px;
  font-family:var(--f-mono);font-size:11px;color:var(--panel-faint);letter-spacing:.03em;
}
.panel-foot a{color:inherit;text-decoration:none;padding:5px 0;display:inline-block}
.panel-foot a:hover{color:var(--panel-body);text-decoration:underline}
.panel-foot a:focus-visible{outline:2px solid var(--ice);outline-offset:3px;border-radius:4px}

/* ============ Form side ============ */
.form-side{display:flex;align-items:center;justify-content:center;padding:24px 30px;overflow-y:auto}
.login{width:100%;max-width:392px}

.ai-pill{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--f-mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--blue-900);background:var(--pill-bg);
  border:1px solid var(--blue-700);border-radius:999px;
  padding:5px 12px;margin-bottom:14px;
}
.ai-pill .caret{
  display:inline-block;width:1px;height:1em;background:currentColor;
  margin-left:3px;vertical-align:-2px;
  animation:caretBlink .9s step-end infinite;
}
@keyframes caretBlink{0%,100%{opacity:1}50%{opacity:0}}
.ai-pill .caret.done{opacity:0;transition:opacity .4s;animation:none}
@media (prefers-reduced-motion:reduce){.ai-pill .caret{display:none}}
.login h2{font-family:var(--f-display);font-weight:600;font-size:24px;letter-spacing:-0.01em}
.login .sub{color:var(--muted);font-size:13.5px;margin:7px 0 20px;line-height:1.5}

.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:600;margin-bottom:6px}
.control{position:relative}
.control input{
  width:100%;font:inherit;font-size:14.5px;color:var(--ink);
  background:var(--wash);border:1px solid var(--border);border-radius:var(--radius);
  padding:10px 13px;min-height:42px;
  transition:border-color .15s,background .15s,box-shadow .15s;
}
.control input::placeholder{color:var(--faint)}
.control input:hover{border-color:var(--blue-700)}
.control input:focus{
  outline:none;background:#fff;border-color:var(--blue-700);
  box-shadow:0 0 0 3px rgba(14,116,144,.20);
}
.field.invalid input{border-color:var(--error);background:#FDF6F5}
.field.invalid input:focus{box-shadow:0 0 0 3px rgba(180,35,24,.16)}
.hint{font-size:12px;color:var(--faint);margin-top:5px}
.err{display:none;font-size:12px;color:var(--error);margin-top:5px;font-weight:500}
.field.invalid .err{display:block}
.field.invalid .hint{display:none}
.caps{display:none;font-size:12px;color:var(--warn);margin-top:5px;font-weight:500}
.caps.show{display:block}

.eye{
  position:absolute;top:50%;right:4px;transform:translateY(-50%);
  border:0;background:none;cursor:pointer;
  min-width:40px;min-height:40px;border-radius:8px;
  color:var(--muted);display:grid;place-items:center;
}
.eye:hover{background:#E6EEF2;color:var(--ink)}
.eye:focus-visible{outline:2px solid var(--blue-700);outline-offset:1px}

.row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:4px;margin:0 0 16px}
.remember{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);cursor:pointer;user-select:none;padding:6px 0}
.remember input{width:16px;height:16px;accent-color:var(--blue-800);cursor:pointer}
.remember input:focus-visible{outline:2px solid var(--blue-700);outline-offset:2px}
.forgot{
  font-size:13px;font-weight:500;color:var(--blue-800);text-decoration:underline;
  text-underline-offset:2px;padding:6px 0;display:inline-block;
}
.forgot:hover{color:var(--blue-900)}
.forgot:focus-visible{outline:2px solid var(--blue-700);outline-offset:3px;border-radius:4px}

.btn{
  width:100%;display:flex;align-items:center;justify-content:center;gap:9px;
  font:inherit;font-size:14.5px;font-weight:600;color:#fff;
  background:var(--blue-800);border:0;border-radius:var(--radius);
  padding:12px;min-height:44px;cursor:pointer;
  transition:background .15s,transform .12s,box-shadow .15s;
}
.btn:hover{background:var(--blue-900);box-shadow:0 8px 18px -10px rgba(8,61,80,.55)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--blue-700);outline-offset:3px}
.btn[disabled]{cursor:default;opacity:.92;transform:none}
.btn .arrow{transition:transform .15s}
.btn:hover .arrow{transform:translateX(3px)}
.spinner{width:15px;height:15px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.divider{display:flex;align-items:center;gap:12px;margin:16px 0;color:var(--faint);font-size:12px}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--border-soft)}

.sso{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.sso-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  font:inherit;font-size:13.5px;font-weight:500;color:var(--ink);
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:9px;min-height:42px;cursor:pointer;
  transition:border-color .15s,background .15s;
}
.sso-btn:hover{border-color:var(--blue-700);background:var(--wash)}
.sso-btn:focus-visible{outline:2px solid var(--blue-700);outline-offset:2px}

.signup{font-size:13px;color:var(--muted);text-align:center;margin-top:15px}
.signup a{color:var(--blue-800);font-weight:500;text-decoration:underline;text-underline-offset:2px}
.signup a:hover{color:var(--blue-900)}
.signup a:focus-visible{outline:2px solid var(--blue-700);outline-offset:3px;border-radius:4px}

.secure{
  display:flex;align-items:center;justify-content:center;gap:7px;flex-wrap:wrap;
  margin-top:15px;padding-top:13px;border-top:1px solid var(--border-soft);
  font-family:var(--f-mono);font-size:10.5px;color:var(--faint);letter-spacing:.04em;text-align:center;
}
.secure .lock{color:var(--blue-700)}

/* ============ Fit-to-screen + responsive ============ */
@media (max-height:700px){
  .panel-inner{padding:20px 40px 16px}
  .viz-space{min-height:170px}
  .login h2{font-size:22px}
  .login .sub{margin-bottom:14px}
  .field{margin-bottom:11px}
  .hint{display:none}
  .divider{margin:12px 0}
  .signup{margin-top:11px}
  .secure{margin-top:11px;padding-top:10px}
}
@media (max-width:980px){
  .shell{grid-template-columns:1fr;height:auto;min-height:100vh;min-height:100dvh}
  .panel{min-height:0}
  #panel-canvas{display:none}
  .panel-inner{padding:18px 22px;height:auto}
  .viz-space{display:none}
  .panel-text{margin-top:12px}
  .panel-text h1{font-size:20px}
  .panel-text .lede{font-size:13px}
  .panel-foot{display:none}
  .form-side{padding:28px 20px 40px;align-items:flex-start}
}
@media (max-width:480px){
  .sso{grid-template-columns:1fr}
}
@media (prefers-contrast:more){
  :root{--border:#57707B;--border-soft:#7B929C}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
}