/* Atlas customer sign-in page.
   Shares the portal's visual system: warm paper palette, Fraunces display,
   DM Sans body, pill buttons. */
:root {
  color-scheme: light;
  --paper: #F4EFE5;
  --paper-warm: #EFE8D9;
  --paper-soft: #F9F5EB;
  --panel: #FCFAF4;
  --ink: #1C1A15;
  --muted: #6B6558;
  --faint: #9A9283;
  --line: #D8CEB8;
  --line-soft: #E4DBC6;
  --blue: #1E3A6F;
  --blue-deep: #152749;
  --blue-tint: #E6EBF4;
  --ochre: #A87A32;
  --green: #3A5A3C;
  --green-tint: #E7EFE6;
  --amber: #8A6516;
  --amber-tint: #F6ECD4;
  --red: #8F2D22;
  --red-tint: #F6E3DF;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 18px 40px -24px rgba(28, 26, 18, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 85% -10%, var(--paper-soft), transparent 60%),
    var(--paper);
  color: var(--ink);
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font-family: inherit;
}

.auth-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 32px 16px;
}

.auth-card {
  width: min(440px, 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 30px 28px 26px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--ochre);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.014em;
  font-size: 30px;
  line-height: 1.12;
}

.summary {
  margin: 12px 0 6px;
  color: var(--muted);
}

.field {
  display: grid;
  gap: 6px;
  margin: 16px 0;
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 11px;
  background: var(--paper-soft);
  color: var(--ink);
  font-size: 14px;
}

input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(30, 58, 111, 0.14);
}

.form-error {
  margin: 0 0 14px;
  border: 1px solid var(--red);
  border-radius: var(--radius);
  background: var(--red-tint);
  color: var(--red);
  padding: 10px 12px;
  font-size: 14px;
}

.form-error[hidden] {
  display: none;
}

.button {
  display: inline-flex;
  min-height: 40px;
  width: 100%;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 18px;
  background: var(--paper-soft);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px -12px rgba(28, 26, 18, 0.4);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.button.primary {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}

.help {
  margin: 18px 0 0;
  color: var(--faint);
  font-size: 13px;
}

.help a {
  color: var(--blue);
}