:root {
  --bg: #ffffff;
  --text: #333333;
  --border: #cccccc;
  --link: #0066cc;
  --link-hover: #004499;
  --error: #cc0000;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Meiryo", sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--link);
  text-decoration: underline;
  cursor: pointer;
}
a:hover { color: var(--link-hover); }

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 12px 0;
}

input[type="text"],
input[type="password"] {
  border: 1px solid var(--border);
  padding: 6px 8px;
  width: 100%;
  font-size: 14px;
}

button {
  background: var(--link);
  color: #fff;
  border: none;
  padding: 8px 24px;
  cursor: pointer;
  font-size: 14px;
}
button:hover { background: var(--link-hover); }
button:disabled {
  background: var(--border);
  cursor: not-allowed;
}

.login-container {
  max-width: 320px;
  margin: 120px auto;
  padding: 0 16px;
}

.login-container h1 {
  font-size: 18px;
  font-weight: normal;
}

.login-container label {
  display: block;
  margin-top: 12px;
  margin-bottom: 4px;
}

.login-container button {
  margin-top: 16px;
}

.error { color: var(--error); margin-top: 12px; }

.main-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header h1 { font-size: 18px; font-weight: normal; }

.nav-path { margin: 12px 0; }

.selection-info { margin: 12px 0; }
.selection-info span { margin-right: 16px; }

.queue-status { margin: 12px 0; white-space: pre-line; }

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

th, td {
  border-bottom: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
}

th {
  font-weight: normal;
  cursor: pointer;
  text-decoration: underline;
}

td.size, td.date { white-space: nowrap; }
td.action { width: 60px; text-align: center; }

.pagination { margin-top: 16px; }
.pagination a { margin-right: 16px; }