*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #f3f1ec;
  --ink: #1c1b19;
  --muted: #6f6a64;
  --accent: #c2410c;
  --accent-hover: #9a3412;
  --border: #e7e2da;
  --error: #b91c1c;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", "Noto Serif SC", serif;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--bg);
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--accent-hover);
}

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 880px;
  height: 64px;
  margin: 0 auto;
  padding: 0 20px;
}

.brand {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover {
  color: var(--ink);
}

.topnav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topnav a {
  font-size: 0.9375rem;
  text-decoration: none;
}

.topnav a:not(.button) {
  color: var(--accent);
}

.topnav a:not(.button):hover {
  color: var(--accent-hover);
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px 64px;
}

.landing {
  max-width: 640px;
  padding-top: 72px;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.landing h1 {
  margin: 0 0 20px;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 400;
  line-height: 1.25;
  color: var(--ink);
}

.landing .lead {
  margin: 0 0 20px;
  max-width: 36em;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--muted);
}

.landing p:not(.lead):not(.eyebrow) {
  margin: 0 0 16px;
  max-width: 36em;
  color: var(--ink);
}

.landing .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 48px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  font-size: 1rem;
  font-weight: 500;
  font-family: inherit;
  line-height: 1.25;
  color: #fff;
  text-decoration: none;
  background: var(--accent);
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
}

.button:hover {
  color: #fff;
  background: var(--accent-hover);
}

.button-secondary {
  color: var(--ink);
  background: #fff;
  border-color: var(--border);
}

.button-secondary:hover {
  color: var(--ink);
  background: #fff;
  border-color: var(--muted);
}

.auth-card {
  max-width: 400px;
  margin: 48px auto 0;
  padding: 32px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(28, 27, 25, 0.04);
}

.auth-card h1 {
  margin: 0 0 24px;
  font-size: 1.375rem;
  font-weight: 600;
}

.form-field {
  margin-bottom: 16px;
}

.form-field label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
}

.form-field input {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.form-field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.15);
}

.form-row-inline {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  margin-bottom: 16px;
}

.form-row-inline .form-field {
  flex: 1;
  margin-bottom: 0;
}

button,
.button-like {
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 8px;
  border: none;
}

button[type="submit"],
.btn-primary {
  width: 100%;
  margin-top: 8px;
  padding: 12px 22px;
  font-weight: 500;
  color: #fff;
  background: var(--accent);
}

button[type="submit"]:hover:not(:disabled),
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-secondary {
  flex-shrink: 0;
  height: 44px;
  padding: 0 14px;
  font-size: 0.875rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--muted);
  color: var(--ink);
}

.form-footer {
  margin-top: 24px;
  font-size: 0.875rem;
  text-align: center;
  color: var(--muted);
}

.form-footer a {
  text-decoration: none;
}

.form-footer a:hover {
  text-decoration: underline;
}

.form-message {
  min-height: 1.25rem;
  margin-top: 12px;
  font-size: 0.875rem;
  color: var(--error);
}

.form-message:empty {
  display: none;
}

.account-info {
  margin: 0 0 24px;
}

.account-info dt {
  margin-top: 16px;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.account-info dt:first-child {
  margin-top: 0;
}

.account-info dd {
  margin: 4px 0 0;
  font-size: 1.0625rem;
}

.btn-logout {
  width: 100%;
  padding: 12px 22px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border);
}

.btn-logout:hover {
  border-color: var(--muted);
  color: var(--ink);
}

.account-password-form {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.account-password-form h2 {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 600;
}