:root {
  --bg: #f6f5f0;
  --surface: #ffffff;
  --ink: #18212f;
  --muted: #667085;
  --line: #d9d6cb;
  --teal: #0b6868;
  --radius: 8px;
  --shadow: 0 18px 45px rgba(24, 33, 47, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
  letter-spacing: 0;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 22px;
}

.auth-panel {
  width: min(440px, 100%);
  display: grid;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  color: #fff;
  background: var(--teal);
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 28px;
}

.mode-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f4f2ea;
}

.mode-tabs button {
  min-height: 38px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-weight: 750;
  cursor: pointer;
}

.mode-tabs button.is-active {
  color: var(--ink);
  background: var(--surface);
}

.auth-form {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

.field label {
  font-weight: 750;
}

.field input {
  min-height: 44px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: #fff;
}

.hint,
.message {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.message:not(:empty) {
  padding: 10px 12px;
  border: 1px solid #efc8be;
  border-radius: var(--radius);
  color: #9d3425;
  background: #fff7f5;
}

.primary-button {
  min-height: 44px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border: 0;
  border-radius: var(--radius);
  color: #fff;
  background: var(--teal);
  font-weight: 800;
  cursor: pointer;
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.7;
}