:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --text: #1c1f24;
  --muted: #6b7280;
  --border: #e3e6ea;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --hover: #f0f3f7;
  --error: #c62828;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --surface: #1a1d22;
    --text: #e6e8eb;
    --muted: #9aa1ab;
    --border: #2a2e35;
    --accent: #4f8cff;
    --hover: #22262d;
    --error: #ff6b6b;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

[hidden] {
  display: none !important;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.muted {
  color: var(--muted);
}

.error {
  color: var(--error);
  margin: 0;
  min-height: 1.5em;
}

/* Login */

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

.login {
  width: min(360px, 100%);
  padding: 28px;
  display: grid;
  gap: 14px;
}

.login h1 {
  margin: 0 0 4px;
  font-size: 22px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

input {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 11px;
}

input:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

button,
.button {
  font: inherit;
  font-weight: 500;
  display: inline-block;
  border: none;
  border-radius: 6px;
  padding: 9px 14px;
  background: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
  white-space: nowrap;
}

.button:hover {
  text-decoration: none;
  filter: brightness(1.08);
}

.button.small {
  padding: 4px 10px;
  font-size: 13px;
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

/* Browser */

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  max-width: 1000px;
  margin: 0 auto;
}

.brand {
  font-weight: 700;
  font-size: 18px;
}

.spacer {
  flex: 1;
}

#browser-view main {
  max-width: 1000px;
  margin: 0 auto 24px;
  width: calc(100% - 32px);
  overflow: hidden;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

#breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-weight: 500;
}

#breadcrumbs .sep {
  color: var(--muted);
}

#browser-error:not(:empty) {
  padding: 10px 16px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 10px 16px;
}

td {
  padding: 9px 16px;
  border-top: 1px solid var(--border);
}

tbody tr:hover {
  background: var(--hover);
}

.num {
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.modified {
  white-space: nowrap;
  color: var(--muted);
}

.actions {
  text-align: right;
  width: 1%;
}

.name {
  word-break: break-all;
}

.entry::before {
  display: inline-block;
  width: 1.5em;
}

.entry.dir::before {
  content: '📁';
}

.entry.file::before {
  content: '📄';
}

.entry.up::before {
  content: '↩';
}

@media (max-width: 640px) {
  .modified {
    display: none;
  }
}