:root {
  --bg: #17120e;
  --surface: rgba(37, 27, 21, 0.78);
  --line: rgba(255, 235, 210, 0.12);
  --text: #f6ecdd;
  --muted: #c6b9a6;
  --accent: #d76a31;
  --accent-strong: #9a3f16;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(215, 106, 49, 0.22), transparent 28%),
    radial-gradient(circle at bottom right, rgba(255, 224, 191, 0.08), transparent 22%),
    linear-gradient(180deg, #211711 0%, var(--bg) 55%, #130f0c 100%);
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(460px, 100%);
  padding: 32px;
  border-radius: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #f3a274;
}

h1 {
  margin: 0;
  font-family: "DM Serif Display", serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 0.98;
}

.intro {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.login-form {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.field {
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.field input {
  width: 100%;
  border: 1px solid rgba(255, 235, 210, 0.14);
  background: rgba(255, 248, 240, 0.08);
  color: var(--text);
  border-radius: 16px;
  padding: 14px 16px;
  font: inherit;
  outline: none;
}

.field input:focus {
  border-color: rgba(215, 106, 49, 0.8);
  box-shadow: 0 0 0 3px rgba(215, 106, 49, 0.16);
}

.primary-button {
  margin-top: 4px;
  border: none;
  border-radius: 999px;
  padding: 14px 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  font: inherit;
  cursor: pointer;
  box-shadow: 0 18px 36px rgba(154, 63, 22, 0.32);
}

.primary-button:disabled {
  opacity: 0.68;
  cursor: wait;
}

.message {
  min-height: 1.4rem;
  margin: 0;
  color: var(--muted);
}