.line-single-test { border: 1px solid #b9dfda; padding: 24px; }
.line-single-test[hidden] { display: none !important; }
.line-test-header h2 { margin: 0 0 8px; font-size: 21px; }
.line-test-header p, .line-test-footnote { color: #536878; }
.line-test-toolbar { display: flex; align-items: end; gap: 12px; margin: 22px 0 10px; }
.line-test-toolbar label { display: grid; gap: 8px; min-width: 240px; max-width: 100%; }
.line-test-toolbar select { min-height: 44px; }
.line-test-status { color: #a63b27; white-space: pre-wrap; overflow-wrap: anywhere; }
.line-test-status:empty { display: none; }
.line-test-intro { padding: 22px 0; color: #536878; }
.line-test-recipient, .line-test-result { background: #ecf9f6; border: 1px solid #b9dfda; border-radius: 12px; padding: 18px; margin: 18px 0; overflow-wrap: anywhere; }
.line-test-recipient > span { display: block; color: #536878; font-size: 12px; margin-bottom: 8px; }
.line-test-recipient > strong, .line-test-result > strong { font-size: 20px; color: #08796d; }
.line-test-recipient p { margin: 10px 0; }
.line-test-cases { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; margin: 12px 0 22px; }
.line-test-case { border: 1px solid #dce6ed; border-top: 4px solid #13998b; border-radius: 10px; padding: 16px; overflow-wrap: anywhere; }
.line-test-case h3 { font-size: 18px; margin: 8px 0 18px; }
.line-test-case p { margin: 10px 0; white-space: pre-wrap; }
.line-test-case p > span { display: block; font-size: 12px; color: #536878; margin-bottom: 6px; }
.line-test-case .line-test-action { background: #f1faf8; border-radius: 6px; padding: 12px; }
.line-test-case a { display: block; text-align: center; border: 1px solid #b9dfda; border-radius: 6px; padding: 10px; margin-top: 14px; }
.line-test-confirm { display: flex; align-items: start; gap: 10px; margin: 18px 0; }
.line-test-confirm input { flex: none; width: 18px; height: 18px; padding: 0; margin: 3px 0 0; accent-color: #08796d; }
.line-single-test button:disabled { opacity: .5; cursor: not-allowed; }
.line-test-footnote { display: block; margin-top: 18px; }
@media (max-width: 850px) { .line-test-cases { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .line-single-test { padding: 16px; } .line-test-toolbar { align-items: stretch; flex-direction: column; } .line-test-toolbar label { min-width: 0; width: 100%; } }