body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #1e1e1e;
    color: #d4d4d4;
    margin: 0;
    padding: 10px;
    height: 100vh;
    box-sizing: border-box;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

header {
    margin-bottom: 10px;
}

h1 { color: #3572A5; margin: 0; font-size: 1.5rem; }

.main-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    flex-grow: 1;
    overflow: hidden;
}

.left-panel,
.right-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.status-line {
  padding: 5px 10px;
  background: #333;
  border-bottom: 1px solid #444;
  font-size: 0.9rem;
  font-weight: bold;
  color: #4ec9b0;
}

.status-line.error {
  color: #f44747;
  background: #4b1e1e;
}

.status-line.escaped {
  color: #fff;
  background: #007acc;
}


.sample-selector {
    margin-bottom: 10px;
}

select {
    background: #333;
    color: #fff;
    border: 1px solid #555;
    padding: 5px;
}

textarea {
    flex-grow: 1;
    background: #2d2d2d;
    color: #9cdcfe;
    border: 1px solid #444;
    padding: 10px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 14px;
    resize: none;
    outline: none;
}

.controls {
    margin-bottom: 10px;
    display: flex;
    gap: 10px;
    align-items: center;
}

.mode-indicator {
    font-weight: bold;
    font-size: 0.9rem;
    padding: 2px 8px;
    border-radius: 3px;
    color: #fff;
    background: #007acc;
    display: none;
}

.mode-indicator.visible {
    display: inline-block;
}

.timeout-control {
    display: flex;
    align-items: center;
    gap: 5px;
    background: #333;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.9rem;
}

.timeout-control input {
    background: #444;
    color: #fff;
    border: 1px solid #555;
    width: 60px;
    padding: 2px 5px;
    border-radius: 2px;
}

button {
    background: #3572A5;
    color: white;
    border: none;
    padding: 8px 15px;
    cursor: pointer;
    border-radius: 3px;
    font-size: 0.9rem;
}

button:hover { background: #4582b5; }
button.active { background: #4582b5; font-weight: bold; }

.abort-btn {
    background: #3572A5;
}

.abort-btn:hover {
    background: #4582b5;
}

.output-tabs {
    display: flex;
    gap: 2px;
    background: #252526;
    padding: 5px 5px 0 5px;
}

.tab-btn {
    background: #2d2d2d;
    padding: 5px 10px;
    border-radius: 5px 5px 0 0;
}

.tab-content {
    flex-grow: 1;
    background: #252526;
    border: 1px solid #333;
    padding: 10px;
    overflow: auto;
}

.hidden { display: none; }

pre {
    margin: 0;
    font-family: 'Consolas', monospace;
    font-size: 12px;
    white-space: pre-wrap;
    word-break: break-all;
}

.result-box {
    font-size: 1.2rem;
    color: #4ec9b0;
}