/* Color tokens */
:root {
  --bg: #060A1A;
  --panel: #20364C;
  --panel-border: #20364C;
  --text: #060A1A;
  --muted: #B1DDE8;
  --accent: #008090; /* change to your primary brand color */
}

/* Reset-ish */
* { box-sizing: border-box; }
html, body { height: 100%; }
body.sp-login {
  margin: 0;
  color: var(--text);
  font: 16px/1.5 "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  overflow: hidden; /* avoid scroll with full-bleed background */
}

/* Key visual as full-screen background */
.kv {
  position: fixed; inset: 0;
  background: var(--bg) center/cover no-repeat url("/assets/img/Wabenstruktur dunkel.png");
  filter: brightness(0.85) saturate(1.05);
  will-change: transform;
}

/* Centered auth card */
.card {
  position: relative;
  width: 500px;
  max-width: calc(100% - 32px);
  margin: 10vh auto;
  padding: 28px 26px 34px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  box-shadow: 0 20px 60px --bg;
  backdrop-filter: blur(6px); /* graceful no-op on older browsers */
}

/* Branding */
.brand {
  display: block;
  height: 250px;
  margin: 0 auto 14px;
}

/* Typography */
h1 {
  margin: 6px 0 14px;
  text-align: center;
  font-size: 22px;
  letter-spacing: 0.2px;
}

/* Form controls */
label {
  display: block;
  margin-top: 12px;
  font-weight: 600;
  color: var(--muted);
}
input {
  width: 100%;
  padding: 10px 12px;
  margin-top: 6px;
  border-radius: 10px;
  border: 1px solid --panel-border;
  background: --bg;
  color: var(--text);
  outline: none;
}
input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px --accent; }

button {
  width: 100%;
  margin-top: 18px;
  padding: 12px;
  border: 0;
  border-radius: 10px;
  font-weight: 700;
  background: var(--accent);
  color: #002;
  cursor: pointer;
}
button:hover { filter: brightness(1.06); }

/* Messages */
.msg { margin-top: 12px; font-size: 13px; text-align: center; }
.msg.error { color: #FF5C00; }
.msg.info  { color: #65C0C2; }

/* Small screens: move card higher, keep background */
@media (max-height: 720px) {
  .card { margin-top: 6vh; margin-bottom: 6vh; }
}