/* terrasund login — Video Vollbild einmal, Formular bei ~11s mittig */

html,
body {
  margin: 0;
  height: 100%;
  background: #0a1020;
  color: #f4f7fb;
  font-family: "Segoe UI", system-ui, sans-serif;
  overflow: hidden;
}

.login-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: #0a1020 url("/static/video/landing-bg-poster.jpg") center / cover no-repeat;
}

.login-bg__video,
.login-bg__still {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.login-bg__video {
  transition: opacity 0.2s ease;
}

.login-bg.is-ended .login-bg__video {
  opacity: 0;
  pointer-events: none;
}

.login-bg__still[hidden] {
  display: none;
}

.login-bg.is-ended .login-bg__still {
  display: block;
}

.login-bg__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(
      180deg,
      rgba(4, 12, 22, 0.22) 0%,
      rgba(4, 12, 22, 0.12) 45%,
      rgba(4, 12, 22, 0.32) 100%
    );
}

.stage {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
}

.login-form {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1rem;
  width: min(320px, calc(100vw - 2.5rem));
  margin: 0;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.login-form.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.field {
  position: relative;
  margin: 0;
}

.field-box {
  box-sizing: border-box;
  width: 100%;
  height: 3rem;
  padding: 0 0.95rem;
  border: 1.5px solid #fff;
  border-radius: 0.55rem;
  background: rgba(8, 18, 30, 0.42);
  color: #fff;
  font-size: 1rem;
  outline: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.field-box::placeholder {
  color: rgba(255, 255, 255, 0.65);
}

.field-box:focus {
  background: rgba(8, 18, 30, 0.55);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.35);
}

.field-box.is-locked {
  cursor: default;
}

.login-btn {
  box-sizing: border-box;
  width: 100%;
  height: 2.85rem;
  margin: 0.25rem 0 0;
  padding: 0 1rem;
  border: 1.5px solid #fff;
  border-radius: 0.55rem;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    visibility 0.25s ease,
    background 0.2s ease,
    transform 0.15s ease;
}

.login-btn.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.login-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.16);
}

.login-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.login-btn:disabled {
  cursor: default;
  opacity: 0.45;
}

.error {
  position: absolute;
  top: clamp(1.25rem, 8vh, 4rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  margin: 0;
  max-width: min(360px, 90vw);
  color: #ffb4a8;
  font-size: 0.95rem;
  text-align: center;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
}

.forgot {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  margin: 0;
  font-size: 0.85rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.stage.is-ready .forgot {
  opacity: 1;
  visibility: visible;
}

.forgot a {
  color: rgba(220, 235, 250, 0.8);
  text-decoration: none;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}

.forgot a:hover {
  color: #fff;
  text-decoration: underline;
}

@media (prefers-reduced-motion: reduce) {
  .login-bg__video {
    display: none;
  }

  .login-form,
  .forgot,
  .login-btn {
    transition: none;
  }
}