/* ==========================================================================
   login.css

   Eine Seite, ein Feld, ein Knopf. Damit das nicht nach Standard-Formular
   aussieht: Tinte statt Schwarz, ein sehr ruhiger Lichtschein hinter dem
   Namen, und ein einziger Akzent.
   ========================================================================== */

:root {
  --ink:        #0B0E14;
  --ink-raised: #131926;
  --line:       #26303F;
  --line-lit:   #3A4759;
  --text:       #EEF2F7;
  --muted:      #8E9AAC;
  --accent:     #F4AF2D;
  --accent-ink: #1A1300;
  --danger:     #FFB4A2;

  --radius: 3px;
  --ease:   cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100svh;
  background: var(--ink);
  color: var(--text);
  font-family: "Instrument Sans", ui-sans-serif, system-ui, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* Der Lichtschein sitzt hinter der Wortmarke, nicht in der Bildmitte:
   so bekommt der Block oben Gewicht und die Seite eine Leserichtung. */
.gate {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding: clamp(1.5rem, 4vw, 4rem) clamp(1.25rem, 6vw, 6rem);
  overflow: hidden;
}

.gate::before {
  content: "";
  position: absolute;
  inset: -30% 40% 30% -25%;
  background: radial-gradient(closest-side, rgba(37, 64, 116, 0.55), transparent 100%);
  filter: blur(10px);
  pointer-events: none;
}

.gate-inner {
  position: relative;
  width: 100%;
  max-width: 26rem;
}

/* --- Name --------------------------------------------------------------- */

.brand-name {
  margin: 0 0 clamp(2rem, 5vw, 3rem);
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.25rem, 1.05rem + 0.8vw, 1.625rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

/* --- Meldung ------------------------------------------------------------ */

.alert {
  margin: 0 0 1.25rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(255, 180, 162, 0.35);
  border-left-width: 3px;
  border-radius: var(--radius);
  background: rgba(255, 180, 162, 0.07);
  color: var(--danger);
  font-size: 0.875rem;
  line-height: 1.5;
}

/* --- Formular ----------------------------------------------------------- */

.form { display: grid; gap: 0.875rem; }

.field { display: grid; gap: 0.5rem; }

.field-label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-raised);
  color: var(--text);
  font: inherit;
  letter-spacing: 0.04em;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.field input::placeholder { color: #5A6678; }

.field input:hover { border-color: var(--line-lit); }

.field input:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(244, 175, 45, 0.22);
}

.submit {
  padding: 0.9rem 1.25rem;
  border: 0;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-ink);
  font: inherit;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 160ms var(--ease), filter 160ms var(--ease);
}

.submit:hover { filter: brightness(1.08); }
.submit:active { transform: translateY(1px); }

.submit:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 1ms !important; animation-duration: 1ms !important; }
}