:root { color-scheme: light; background: var(--surface-main); color: var(--text-primary); }
body { margin: 0; min-height: 100vh; background: var(--surface-main); }
.login-language-switcher { position: fixed; top: 12px; left: 12px; z-index: 10; }
.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(380px, 2fr);
}
.auth-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100vh;
  overflow: hidden;
  background-color: var(--surface-dark);
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 42px 42px;
  border-right: 1px solid var(--border-default);
}
.auth-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(16,26,36,.88), rgba(16,26,36,.93)),
    url("/frontend/assets/branding/geoportal-login-background.png") center / cover no-repeat;
  opacity: .58;
}
.auth-visual::after {
  content: "";
  position: absolute;
  inset: 9% 8%;
  border: 1px solid rgba(255,255,255,.07);
  pointer-events: none;
}
.auth-login-page .login-hero-logo-stage {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: min(78%, 760px);
  max-height: 65vh;
  perspective: 900px;
}
.auth-login-page .login-hero-logo-image {
  width: clamp(420px, 42vw, 760px);
  max-width: 100%;
  max-height: 64vh;
  filter: brightness(0) invert(1) drop-shadow(0 18px 28px rgba(0,0,0,.26));
  transform: translate3d(var(--logo-x, 0), var(--logo-y, 0), 0) rotateX(var(--logo-rx, 0)) rotateY(var(--logo-ry, 0)) scale(var(--logo-scale, 1));
  transform-origin: center;
  transition: transform .42s cubic-bezier(.2,.7,.2,1), filter .3s ease, opacity .7s ease;
  opacity: 0;
}
.auth-login-page .login-hero-logo-image.is-ready { opacity: 1; }
.auth-login-page .login-hero-logo-stage:hover .login-hero-logo-image {
  --logo-scale: 1.015;
  filter: brightness(0) invert(1) drop-shadow(0 22px 32px rgba(0,0,0,.34));
}
.auth-visual-caption {
  position: absolute;
  z-index: 1;
  left: clamp(28px, 5vw, 72px);
  bottom: clamp(28px, 5vh, 52px);
  display: grid;
  gap: 7px;
  color: var(--text-inverse);
}
.auth-visual-caption span { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; }
.auth-visual-caption strong { font-size: clamp(20px, 2.2vw, 32px); font-weight: 600; }
.auth-panel {
  display: grid;
  align-items: center;
  min-width: 0;
  padding: 42px clamp(28px, 4.2vw, 64px);
  background:
    linear-gradient(90deg, rgba(18,120,192,.035), transparent 44%),
    var(--surface-panel);
}
.auth-panel-inner { width: min(100%, 380px); margin: 0 auto; }
.auth-heading { padding-top: 15px; border-top: 2px solid var(--brand-accent); }
.auth-eyebrow { margin: 0 0 8px; color: var(--brand-primary-dark); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 0 0 6px; font-size: clamp(30px, 2.3vw, 36px); line-height: 1.2; }
.intro { margin: 0 0 20px; color: var(--text-secondary); font-size: 15px; }
label { display: block; margin: 12px 0 5px; color: #283747; font-size: 14px; font-weight: 650; }
input {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  border: 1px solid var(--border-default);
  border-radius: 5px;
  background: #fff;
  color: var(--text-primary);
  font: inherit;
}
input:focus { outline: 3px solid rgba(18, 120, 192, .18); border-color: var(--brand-primary); }
#login-submit {
  width: 100%;
  height: 45px;
  margin-top: 6px;
}
button:disabled { opacity: .65; cursor: wait; }
.error { min-height: 22px; margin: 10px 0 0; color: var(--state-error); font-size: 13px; }
@media (max-width: 760px) {
  .auth-shell { grid-template-columns: 1fr; background: var(--surface-panel); }
  .auth-visual { min-height: 240px; max-height: 34vh; border-right: 0; border-bottom: 1px solid var(--border-default); }
  .auth-visual::after { inset: 14px; }
  .auth-login-page .login-hero-logo-stage { width: min(82%, 320px); max-height: 210px; }
  .auth-login-page .login-hero-logo-image { width: clamp(220px, 72vw, 320px); max-height: 205px; transform: none; }
  .auth-visual-caption { display: none; }
  .auth-panel { align-items: start; min-height: 0; padding: 28px 22px 38px; }
  .auth-panel-inner { width: min(100%, 420px); }
}
@media (prefers-reduced-motion: reduce) {
  .auth-login-page .login-hero-logo-image {
    transform: none !important;
    transition: opacity .01s linear;
  }
  .auth-login-page .login-hero-logo-stage:hover .login-hero-logo-image { transform: none; }
}