:root {
    --primary-color: #ff2442; /* Xiaohongshu Red */
    --primary-hover: #e01b37;
    --bg-color: #f5f5f5;
    --sidebar-bg: #ffffff;
    --text-main: #333333;
    --text-secondary: #666666;
    --border-color: #e0e0e0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.logo {
    padding: 20px;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
}

.sidebar nav ul {
    list-style: none;
    padding: 10px 0;
}

.sidebar nav li {
    padding: 12px 20px;
    cursor: pointer;
    transition: background 0.2s;
    color: var(--text-secondary);
}

.sidebar nav li:hover {
    background-color: #fff0f2;
    color: var(--primary-color);
}

.sidebar nav li.active {
    background-color: #fff0f2;
    color: var(--primary-color);
    font-weight: 500;
    border-right: 3px solid var(--primary-color);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

header {
    background: #fff;
    padding: 15px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.content-body {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.2s;
}

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

.btn-primary:disabled {
    background-color: #ffb3bd;
    cursor: not-allowed;
}

.btn-secondary {
    background-color: white;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Tool Views */
.tool-view {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-main);
}

.input-group input,
.input-group textarea,
.input-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

.input-group textarea {
    height: 100px;
    resize: vertical;
}

.input-group input:focus,
.input-group textarea:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Result Area */
.result-area {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.result-area h4 {
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.markdown-body {
    line-height: 1.6;
    color: #333;
}

.markdown-body ul {
    padding-left: 20px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal {
    background: white;
    padding: 30px;
    border-radius: 8px;
    width: 400px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.modal h3 {
    margin-bottom: 15px;
}

.modal .hint {
    font-size: 12px;
    color: #888;
    margin-bottom: 20px;
}

.api-input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 20px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.btn-text {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 10px;
}

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

.status-ok {
    color: green;
    font-weight: bold;
}
.status-warn {
    color: #ff9800;
}