:root {
  --color-bg: #ffffff;
  --color-text: #111111;
  --color-border: #444444;
  --color-warning-bg: #5c3d00;
  --color-warning-text: #ffffff;
  --color-error-bg: #5c0000;
  --color-error-text: #ffffff;
  --color-focus: #d9480f;
  --color-button-bg: #e8e8e8;
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  margin: 0;
  padding: 0;
  line-height: 1.5;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #000;
  color: #fff;
  padding: 0.6em 1em;
  z-index: 100;
}

.skip-link:focus {
  left: 0;
}

a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

header {
  padding: 1em;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1em;
  justify-content: space-between;
}

.site-title {
  font-weight: bold;
  margin: 0;
}

nav ul {
  display: flex;
  gap: 1em;
  list-style: none;
  padding: 0;
  margin: 0;
}

.logout-form {
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin: 0;
}

main {
  padding: 1em;
  max-width: 60em;
  margin: 0 auto;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 1.5em;
  overflow-x: auto;
  display: block;
}

caption {
  text-align: left;
  font-weight: bold;
  margin-bottom: 0.5em;
}

th,
td {
  border: 1px solid var(--color-border);
  padding: 0.5em;
  text-align: left;
}

.field {
  margin-bottom: 1em;
}

.field label {
  display: block;
  font-weight: bold;
  margin-bottom: 0.25em;
}

.field-hint {
  margin: 0.25em 0 0;
  font-size: 0.9em;
}

input[type="file"] {
  display: block;
  margin-bottom: 0.25em;
}

textarea,
input[type="text"],
input[type="password"],
input[type="search"] {
  width: 100%;
  max-width: 40em;
  padding: 0.5em;
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 1em;
}

button {
  padding: 0.5em 1em;
  border: 1px solid var(--color-border);
  background: var(--color-button-bg);
  color: var(--color-text);
  cursor: pointer;
  font-size: 1em;
}

.warning-box {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
  padding: 1em;
  margin-bottom: 1em;
  border: 2px solid #000;
}

.error-box {
  background: var(--color-error-bg);
  color: var(--color-error-text);
  padding: 1em;
  margin-bottom: 1em;
  border: 2px solid #000;
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: #f5f5f5;
  color: #111;
  padding: 1em;
  border: 1px solid var(--color-border);
}

footer {
  padding: 1em;
  border-top: 1px solid var(--color-border);
  font-size: 0.9em;
}