:root {
  color-scheme: dark;
  --page: #101411;
  --panel: #1b211d;
  --line: #3d4741;
  --text: #f1f4f2;
  --muted: #aeb8b2;
  --accent: #a44750;
  --accent-hover: #b7545e;
  font-family: "Yu Gothic UI", "Hiragino Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  background: radial-gradient(circle at top, #28312b 0, var(--page) 54%);
  color: var(--text);
}

.login-shell {
  min-height: 100vh;
  min-height: 100dvh;
  padding: max(24px, env(safe-area-inset-top)) 18px max(24px, env(safe-area-inset-bottom));
  display: grid;
  place-items: center;
}

.login-card {
  width: min(100%, 430px);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--panel) 96%, transparent);
  box-shadow: 0 24px 70px #0008;
}

.login-logo {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0 auto 20px;
  object-fit: contain;
  border-radius: 10px;
}

.login-copy { text-align: center; }
.eyebrow {
  margin: 0 0 5px;
  color: #cf7d85;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
}
.login-copy h1 { margin: 0; font-size: 27px; }
.login-copy > p:last-child { margin: 10px 0 22px; color: var(--muted); font-size: 14px; }

.login-error {
  min-height: 1.5em;
  margin: -6px 0 10px;
  color: #ff9ca5;
  font-size: 13px;
  text-align: center;
}

form { display: grid; gap: 8px; }
label { margin-top: 6px; color: #d7ded9; font-size: 13px; font-weight: 700; }
input {
  width: 100%;
  height: 48px;
  border: 1px solid #4c5751;
  border-radius: 9px;
  padding: 10px 12px;
  background: #111613;
  color: #fff;
  font: inherit;
  font-size: 16px;
}
input:focus { outline: 3px solid #a4475066; border-color: #c46770; }
button {
  height: 48px;
  margin-top: 16px;
  border: 1px solid #bd5a64;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
button:hover { background: var(--accent-hover); }

@media (max-width: 520px) {
  .login-shell { padding-right: 14px; padding-left: 14px; }
  .login-card { padding: 24px 20px; border-radius: 13px; }
  .login-logo { width: 100%; height: auto; border-radius: 8px; }
  .login-copy h1 { font-size: 25px; }
}