/* ============================================================
   Auth pages (login / register / admin login)
   Self-contained — do NOT load style.css alongside this.
   Identity: QR finder-pattern mark + faint module grid.
   ============================================================ */
:root{
  --ink:#191735;
  --accent:#6366f1;
  --accent-strong:#4f46e5;
  --paper:#ffffff;
  --mist:#f4f5fb;
  --text:#1f2438;
  --muted:#6b7280;
  --line:#e6e7ef;
  --danger:#b91c1c;
  --danger-bg:#fef2f2;
  --font-display:'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-body:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
*{box-sizing:border-box;}
html,body{height:100%;}
body{margin:0;font-family:var(--font-body);color:var(--text);background:var(--mist);-webkit-font-smoothing:antialiased;}

.auth{min-height:100dvh;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);}
@media (max-width:860px){.auth{grid-template-columns:1fr;}}

/* ---------- Brand panel ---------- */
.auth__brand{
  position:relative;overflow:hidden;color:#fff;
  background:
     radial-gradient(115% 115% at 12% 8%, #3b3690 0%, rgba(59,54,144,0) 46%),
     linear-gradient(150deg,#211e4e 0%, #191735 55%, #131129 100%);
  padding:56px 52px;display:flex;flex-direction:column;justify-content:space-between;gap:40px;
}
.auth__brand::after{               /* faint QR-module grid, fading out */
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(125% 85% at 82% 18%, #000 0%, transparent 72%);
          mask-image:radial-gradient(125% 85% at 82% 18%, #000 0%, transparent 72%);
}
.brand__top{position:relative;z-index:1;display:flex;align-items:center;gap:12px;}
.brand__name{font-family:var(--font-display);font-weight:600;font-size:1.12rem;letter-spacing:.01em;}
.brand__body{position:relative;z-index:1;max-width:24ch;}
.brand__headline{font-family:var(--font-display);font-weight:600;font-size:2.2rem;line-height:1.08;letter-spacing:-.02em;margin:0 0 14px;}
.brand__tag{color:rgba(255,255,255,.72);font-size:1.02rem;line-height:1.55;margin:0;}
.brand__points{position:relative;z-index:1;list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:13px;}
.brand__points li{display:flex;align-items:center;gap:12px;color:rgba(255,255,255,.85);font-size:.95rem;}
.brand__points .tick{flex:none;color:#a5a1ff;}
@media (max-width:860px){
  .auth__brand{padding:22px 24px;flex-direction:row;align-items:center;justify-content:flex-start;gap:12px;}
  .brand__body,.brand__points{display:none;}
}

/* ---------- Form panel ---------- */
.auth__form{display:flex;align-items:center;justify-content:center;padding:48px 28px;background:var(--paper);}
.form__inner{width:100%;max-width:384px;animation:rise .5s ease both;}
@keyframes rise{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}

.form__mark{display:none;}
@media (max-width:860px){.form__mark{display:flex;margin-bottom:20px;}}

.form__title{font-family:var(--font-display);font-weight:600;font-size:1.6rem;letter-spacing:-.01em;margin:0 0 6px;}
.form__sub{color:var(--muted);margin:0 0 26px;}

.field{margin-bottom:16px;}
.field label{display:block;font-size:.82rem;font-weight:600;color:#3a4056;margin-bottom:7px;}
.field .control{position:relative;display:flex;align-items:center;}
.field .control .lead{position:absolute;left:14px;color:#9aa0b4;pointer-events:none;display:flex;}
.field input{
  width:100%;height:48px;border:1px solid var(--line);border-radius:12px;
  padding:0 14px 0 42px;font-size:1rem;font-family:inherit;color:var(--text);background:#fff;
  transition:border-color .15s, box-shadow .15s;
}
.field input::placeholder{color:#aeb3c4;}
.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(99,102,241,.15);}

.btn-primary{
  width:100%;height:48px;border:0;border-radius:12px;cursor:pointer;margin-top:6px;
  font-family:var(--font-display);font-size:1rem;font-weight:600;color:#fff;letter-spacing:.01em;
  background:linear-gradient(180deg,#5b57ea,#4f46e5);
  box-shadow:0 6px 16px rgba(79,70,229,.28);
  transition:filter .12s ease, box-shadow .12s ease, transform .12s ease;
}
.btn-primary:hover{filter:brightness(1.05);box-shadow:0 9px 22px rgba(79,70,229,.34);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:focus-visible{outline:3px solid #c7d2fe;outline-offset:2px;}

.alert{
  display:flex;align-items:center;gap:9px;background:var(--danger-bg);color:var(--danger);
  border:1px solid #fbd5d5;border-radius:11px;padding:11px 13px;font-size:.9rem;margin-bottom:18px;
}
.alert svg{flex:none;}

.form__foot{margin-top:22px;font-size:.92rem;color:var(--muted);text-align:center;}
.form__foot a{color:var(--accent-strong);font-weight:600;text-decoration:none;}
.form__foot a:hover{text-decoration:underline;}

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