:root {
  color-scheme: light;
  --bg: #f5efe6;
  --panel: #fffaf4;
  --panel-strong: #fffdf9;
  --line: #e1d6c6;
  --text: #1f1a17;
  --muted: #6b6158;
  --accent: #b4451d;
  --shadow: 0 22px 60px rgba(71, 46, 28, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(180, 69, 29, 0.08), transparent 22%),
    radial-gradient(circle at top right, rgba(70, 102, 59, 0.08), transparent 18%),
    linear-gradient(180deg, #f9f4ed 0%, var(--bg) 100%);
}

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

.login-card {
  width: min(100%, 460px);
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.login-eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.login-card h1 {
  margin: 0 0 12px;
  font-size: 34px;
  line-height: 1.05;
}

.login-copy,
.login-error {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.login-form {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.field-stack {
  display: grid;
  gap: 8px;
}

input,
button {
  font: inherit;
}

input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  color: var(--text);
}

input:focus {
  outline: 2px solid rgba(180, 69, 29, 0.18);
  border-color: rgba(180, 69, 29, 0.4);
}

button {
  border: none;
  border-radius: 16px;
  padding: 13px 16px;
  cursor: pointer;
  color: #fff;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent) 0%, #cc6432 100%);
  transition: transform 140ms ease, opacity 140ms ease;
}

button:hover {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.6;
  cursor: wait;
  transform: none;
}

.login-error {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(157, 38, 23, 0.18);
  background: rgba(157, 38, 23, 0.06);
  color: #9d2617;
}