/* Staff sign-in (cloud/login.html). Full-height split: brand panel on the university purple, form on the page surface.
   Consumes theme.css / brand.css tokens only; the page hides the global header and footer. */
.auth-page{background:var(--surface)}
body.auth-page>.header,body.auth-page>footer{display:none}
body.auth-page:not(.workspace) main{max-width:none;margin:0;padding:0;min-height:100dvh}

.auth{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);min-height:100dvh}

/* ---- brand panel ---- */
.auth-brand{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;gap:48px;
  padding:40px clamp(32px,4vw,64px);background:var(--uu-primary,#4b17cc);color:#fff}
.auth-logo{display:inline-flex;align-items:center;gap:12px;color:inherit;width:max-content}
.auth-logo svg{width:36px;height:34px;flex:none}
.auth-logo span{display:flex;flex-direction:column;line-height:1.1}
.auth-logo b{font-size:20px;font-weight:800;letter-spacing:-.4px}
.auth-logo small{margin-top:4px;font-size:10px;font-weight:600;letter-spacing:1.8px;opacity:.8}
.auth-pitch{position:relative;z-index:1;max-width:460px}
.auth-kicker{margin:0 0 12px;font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--uu-lime,#b8f54a)}
.auth-brand h1{margin:0 0 32px;color:#fff;font-size:clamp(28px,2.6vw,36px);line-height:1.18;letter-spacing:-.8px;font-weight:700}
.auth-features{display:grid;gap:20px;margin:0;padding:0;list-style:none}
.auth-features li{display:flex;gap:14px;align-items:flex-start}
.auth-features .icon{width:40px;height:40px;padding:9px;border-radius:12px;background:#ffffff1f;color:#fff}
.auth-features span{display:flex;flex-direction:column;gap:2px;font-size:14px;line-height:1.5;color:#ffffffd0}
.auth-features b{font-size:15px;color:#fff;font-weight:600}
.auth-foot{position:relative;z-index:1;margin:0;font-size:12px;color:#ffffffd9}
.auth-mark{position:absolute;right:-60px;bottom:-70px;width:360px;height:auto;color:#fff;opacity:.07;pointer-events:none}

/* ---- form side ---- */
.auth-main{display:flex;flex-direction:column;align-items:center;gap:24px;padding:24px clamp(16px,4vw,48px) 32px;background:var(--canvas)}
.auth-top{display:flex;justify-content:flex-end;align-items:center;width:100%}
.auth-logo.compact{display:none;color:var(--ink)}
.auth-logo.compact svg{width:28px;height:26px;color:var(--accent)}
.auth-logo.compact b{font-size:18px}
.auth-top .icon-btn{color:var(--muted)}
.auth-top .icon-btn:hover{color:var(--ink)}

/* background: soft violet glow behind the card, a faded dot grid and the INO mark echoing the brand panel */
.auth-main{position:relative;isolation:isolate;overflow:hidden;
  background:
    radial-gradient(520px 420px at 50% 42%,color-mix(in srgb,var(--accent) 14%,transparent),transparent 70%),
    radial-gradient(420px 360px at 100% 0%,color-mix(in srgb,var(--uu-lavender,#9b76ef) 16%,transparent),transparent 70%),
    var(--canvas)}
.auth-main::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:radial-gradient(color-mix(in srgb,var(--accent) 22%,transparent) 1px,transparent 1.2px);background-size:24px 24px;
  -webkit-mask-image:radial-gradient(ellipse 65% 55% at 50% 45%,#000 10%,transparent 72%);mask-image:radial-gradient(ellipse 65% 55% at 50% 45%,#000 10%,transparent 72%)}
.auth-main::after{content:"";position:absolute;right:-90px;bottom:-110px;z-index:-1;width:440px;aspect-ratio:177/163;pointer-events:none;
  background:var(--accent);opacity:.06;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 177 163'%3E%3Cpath d='M44 134C21 134 3 117 3 95c0-19 13-35 32-38C41 37 61 23 85 23c24 0 44 15 50 37 22 1 39 17 39 37 0 21-17 37-38 37ZM88 61a27 27 0 1 0 0 54 27 27 0 1 0 0-54ZM88 76a12 12 0 1 1 0 24 12 12 0 1 1 0-24Z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 177 163'%3E%3Cpath d='M44 134C21 134 3 117 3 95c0-19 13-35 32-38C41 37 61 23 85 23c24 0 44 15 50 37 22 1 39 17 39 37 0 21-17 37-38 37ZM88 61a27 27 0 1 0 0 54 27 27 0 1 0 0-54ZM88 76a12 12 0 1 1 0 24 12 12 0 1 1 0-24Z'/%3E%3C/svg%3E") center/contain no-repeat}

.auth-card{width:100%;max-width:440px;margin:auto 0 0;padding:36px;border:1px solid var(--line);border-radius:24px;background:var(--card);
  box-shadow:0 1px 2px #1d0f4f0f,0 16px 32px -20px #3a1d9a33}
.auth-head{display:flex;align-items:center;gap:16px;margin:0 0 14px}
.auth-badge{display:grid;place-items:center;flex:none;width:52px;height:52px;border-radius:16px;background:var(--tint);color:var(--accent)}
.auth-badge .icon{width:26px;height:26px}
.auth-greet{margin:0 0 2px;font-size:13px;font-weight:600;color:var(--accent)}
.auth-card h2{margin:0;font-size:24px;line-height:1.2;letter-spacing:-.5px;color:var(--ink)}
.auth-sub{margin:0 0 28px;font-size:14px;line-height:1.5;color:var(--muted)}

.auth-sso{width:100%;justify-content:center}
.auth-divider{display:flex;align-items:center;gap:12px;margin:20px 0;font-size:12px;color:var(--muted)}
.auth-divider::before,.auth-divider::after{content:"";flex:1;height:1px;background:var(--line)}

.auth-error{display:flex;gap:10px;align-items:flex-start;margin:0 0 20px;padding:12px 14px;border-radius:var(--r-ctl,12px);background:var(--bad-bg);color:var(--bad);font-size:14px;line-height:1.45}
.auth-error .icon{width:20px;height:20px;margin-top:1px}
.auth-error p{margin:0}

.auth-form{display:grid;gap:18px}
.auth-field label{margin:0 0 8px;font-size:13px;font-weight:600;color:var(--ink)}
.auth-input{position:relative}
.auth-input>.icon{position:absolute;left:14px;top:50%;width:20px;height:20px;transform:translateY(-50%);color:var(--muted);pointer-events:none;transition:color var(--dur,.16s)}
.auth-input:focus-within>.icon{color:var(--accent)}
.auth-field .auth-input input{padding-left:46px}
.auth-field input{min-height:var(--ctl-h,46px);margin:0;border:1px solid var(--line);background:var(--surface);font-size:15px;transition:border-color var(--dur,.16s),box-shadow var(--dur,.16s)}
.auth-field input:hover{border-color:var(--uu-lavender,#9b76ef)}
.auth-field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--tint)}
.auth-field input[aria-invalid=true]{border-color:var(--bad)}
.auth-password input{padding-right:104px}
.auth-reveal{position:absolute;top:4px;right:4px;bottom:4px;min-height:0;padding:0 12px;border:0;border-radius:9px;background:transparent;color:var(--accent);font-size:13px;font-weight:600}
.auth-reveal:hover{background:var(--tint);filter:none}
.auth-hint,.auth-field-error{display:flex;align-items:center;gap:6px;margin:8px 0 0;font-size:13px;line-height:1.4}
.auth-hint{color:var(--warn)}
.auth-hint .icon{width:16px;height:16px}
.auth-field-error{color:var(--bad)}
.auth-submit{width:100%;margin-top:6px;background:var(--uu-primary,#4b17cc);border-color:var(--uu-primary,#4b17cc)}
.auth-submit .icon{transition:transform var(--dur,.16s) var(--ease,ease)}
.auth-submit:hover .icon{transform:translateX(3px)}

.auth-help{margin-top:24px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.auth-help summary{display:inline-flex;align-items:center;gap:8px;min-height:40px;cursor:pointer;color:var(--ink);font-weight:600;list-style:none}
.auth-help summary::-webkit-details-marker{display:none}
.auth-help summary .icon{width:18px;height:18px;color:var(--accent)}
.auth-help p{margin:8px 0 0;line-height:1.55}

.auth-alt{display:flex;align-items:center;gap:14px;width:100%;max-width:440px;margin:0 0 auto;padding:14px 18px;border:1px solid var(--line);border-radius:18px;
  background:var(--card);color:var(--ink);transition:border-color var(--dur,.16s),background var(--dur,.16s)}
.auth-alt:hover{border-color:var(--uu-lavender,#9b76ef)}
.auth-alt-icon{display:grid;place-items:center;flex:none;width:40px;height:40px;border-radius:12px;background:var(--tint);color:var(--accent)}
.auth-alt-icon .icon{width:20px;height:20px}
.auth-alt>span:not(.auth-alt-icon){display:flex;flex-direction:column;flex:1;min-width:0;font-size:13px;color:var(--muted)}
.auth-alt b{font-size:14px;color:var(--ink)}
.auth-alt>.icon{width:18px;height:18px;color:var(--accent);transition:transform var(--dur,.16s) var(--ease,ease)}
.auth-alt:hover>.icon{transform:translateX(3px)}

/* ---- listener sign-in (learning/login.html, learning/code.html): two steps, e-mail then one-time code ---- */
.auth-steps{display:flex;gap:8px;margin:0 0 24px;padding:0;list-style:none;font-size:12px;font-weight:600;color:var(--muted)}
.auth-steps li{display:flex;align-items:center;gap:8px;flex:1;padding-bottom:10px;border-bottom:3px solid var(--line)}
.auth-steps li>span{display:grid;place-items:center;flex:none;width:22px;height:22px;border-radius:50%;background:var(--line);color:var(--muted);font-size:11px}
.auth-steps li>span .icon{width:14px;height:14px}
.auth-steps [aria-current=step]{color:var(--ink);border-color:var(--accent)}
.auth-steps [aria-current=step]>span{background:var(--accent);color:#fff}
.auth-steps .done{color:var(--ink);border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}
.auth-steps .done>span{background:var(--tint);color:var(--accent)}

.auth-note{display:flex;gap:8px;align-items:flex-start;margin:16px 0 0;font-size:13px;line-height:1.45;color:var(--muted)}
.auth-note .icon{flex:none;width:16px;height:16px;margin-top:1px;color:var(--accent)}

.auth-email{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:-12px 0 24px;padding:10px 14px;border-radius:var(--r-ctl,12px);background:var(--tint);font-size:14px}
.auth-email span{display:flex;align-items:center;gap:8px;min-width:0;color:var(--ink)}
.auth-email b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.auth-email .icon{flex:none;width:18px;height:18px;color:var(--accent)}
.auth-email a{flex:none;font-weight:600;color:var(--accent)}

.auth-field input.auth-code{text-align:center;font-size:28px;font-weight:700;letter-spacing:.5em;padding-left:.5em;min-height:60px;font-variant-numeric:tabular-nums}
.auth-field input.auth-code::placeholder{color:var(--line);letter-spacing:.5em}
.auth-field-error .icon{flex:none;width:16px;height:16px}

.auth-resend{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:4px 8px;margin:16px 0 0;font-size:14px;color:var(--muted)}
.auth-resend button{gap:0;min-height:36px;padding:0 8px;border:0;background:none;color:var(--accent);font-size:14px;font-weight:600}
.auth-resend button:hover:not(:disabled){text-decoration:underline;filter:none}
.auth-resend button:disabled{color:var(--muted);cursor:default;opacity:1}
.auth-resend span[data-resend-timer]{white-space:pre;font-variant-numeric:tabular-nums}
.auth-submit[aria-busy=true]{opacity:.75;cursor:progress}

@media (max-width:900px){
  .auth{grid-template-columns:1fr}
  .auth-brand{display:none}
  .auth-top{justify-content:space-between;max-width:440px;align-self:center}
  .auth-logo.compact{display:inline-flex}
  .auth-card{margin:8px 0 0}
  .auth-alt{margin:0}
}
@media (max-width:480px){
  .auth-main{padding:16px 16px 24px}
  .auth-card{padding:24px 20px;border-radius:20px}
  .auth-badge{width:44px;height:44px;border-radius:14px}
  .auth-card h2{font-size:22px}
}