:root {
    --bg-dark: #121212;
    --panel-dark: #1e1e1e;
    --editor-dark: #252526;
    --text-primary: #e0e0e0;
    --text-secondary: #aaaaaa;
    --accent: #bb86fc;
    --accent-hover: #d0a2ff;
    --error: #ff5555;
    --success: #50fa7b;
    --warning: #ffb86c;
    --border: #333333;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

body {
    font-family: 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--panel-dark);
    padding: 30px;
    border-radius: 10px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

.modal h2 {
    color: var(--accent);
    margin-bottom: 15px;
}

.modal p {
    margin-bottom: 25px;
    color: var(--text-secondary);
}

.modal-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.modal-btn {
    padding: 10px 25px;
    border: none;
    border-radius: 5px;
    background-color: var(--accent);
    color: var(--bg-dark);
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
}

.modal-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

#mainContainer {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

header {
    background-color: var(--panel-dark);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.logo h1 {
    font-size: 1.5rem;
    background: linear-gradient(90deg, var(--accent), #ff79c6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.toolbar {
    display: flex;
    gap: 8px;
}

.tool-btn {
    padding: 6px 12px;
    background-color: var(--border);
    color: var(--text-primary);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.tool-btn:hover {
    background-color: var(--accent);
    color: var(--bg-dark);
}

.tool-btn.run {
    background-color: var(--success);
    color: var(--bg-dark);
}

.tool-btn.run:hover {
    background-color: #3ae06a;
}

.editor-area {
    display: flex;
    flex: 1;
    overflow: hidden;
    flex-direction: column;
}

@media (min-width: 768px) {
    .editor-area {
        flex-direction: row;
    }
}

.code-editor {
    flex: 1;
    background-color: var(--editor-dark);
    overflow: hidden;
    position: relative;
}

#codeEditor {
    width: 100%;
    height: 100%;
    padding: 15px;
    font-family: 'Consolas', monospace;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--editor-dark);
    border: none;
    outline: none;
    resize: none;
    white-space: pre;
}

.output-console {
    width: 100%;
    background-color: var(--editor-dark);
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

@media (min-width: 768px) {
    .output-console {
        width: 35%;
        min-width: 300px;
        border-left: 1px solid var(--border);
        border-top: none;
    }
}

.console-header {
    padding: 8px 15px;
    background-color: var(--panel-dark);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.console-header h3 {
    font-size: 0.9rem;
    color: var(--accent);
}

.console-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 2px 8px;
}

.console-btn:hover {
    color: var(--text-primary);
}

#outputArea {
    flex: 1;
    padding: 15px;
    overflow: auto;
    font-family: 'Consolas', monospace;
    font-size: 14px;
    white-space: pre-wrap;
    line-height: 1.5;
}

footer {
    padding: 8px;
    text-align: center;
    background-color: var(--panel-dark);
    border-top: 1px solid var(--border);
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.error-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--error), transparent);
    pointer-events: none;
}

.error-marker {
    position: absolute;
    width: 16px;
    height: 16px;
    background-color: var(--error);
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.7;
}

.error-tooltip {
    position: absolute;
    background-color: var(--error);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    pointer-events: none;
    z-index: 100;
    white-space: nowrap;
}