:root {
  --ink: #0E1726;
  --ground: #F6F7F9;
  --surface: #FFFFFF;
  --border: #E3E6EB;
  --text-secondary: #475467;
  --text-muted: #667085;
  --saffron: #F2A93B;
  --saffron-hover: #F5BA5E;
  --saffron-active: #D98E1F;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--ground);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  display: grid;
  place-items: center;
  padding: 24px 16px;
}

.auth {
  max-width: 400px;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(14, 23, 38, 0.06);
  padding: 36px 32px;
  display: grid;
  gap: 16px;
}

.auth-brand {
  margin: 0;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.auth-hint {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
}

.auth-alert {
  margin: 0;
  padding: 12px 14px;
  border-radius: 10px;
  background: #FEF3F2;
  border: 1px solid #FECDCA;
  color: #B42318;
  font-size: 14px;
  font-weight: 500;
}

.auth-form {
  display: grid;
  gap: 16px;
  margin-top: 8px;
}

.auth-form label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.auth-form input[type=tel],
.auth-form input[type=password] {
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  padding: 11px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.auth-form input:focus {
  outline: none;
  border-color: var(--saffron);
  box-shadow: 0 0 0 3px rgba(242, 169, 59, 0.25);
}

.auth-submit {
  border: 0;
  border-radius: 10px;
  padding: 13px 18px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  background: var(--saffron);
  transition: background 0.15s;
  margin-top: 4px;
}

.auth-submit:hover {
  background: var(--saffron-hover);
}

.auth-submit:active {
  background: var(--saffron-active);
}