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

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    background: #1e1e1e;
    color: #e0e0e0;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid #333;
    background: #252525;
}

h1 {
    font-size: 1.5rem;
}

.status-ok { color: #0f0; }
.status-error { color: #f00; }
.status-loading { color: #ff0; }

.search-bar {
    padding: 1rem;
    border-bottom: 1px solid #333;
    background: #252525;
}

#search {
    width: 70%;
    padding: 0.5rem;
    border: 1px solid #444;
    border-radius: 4px;
    background: #2a2a2a;
    color: #e0e0e0;
}

button {
    padding: 0.5rem 1rem;
    background: #0066cc;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #0052a3;
}

button:disabled {
    background: #444;
    cursor: not-allowed;
}

.container {
    display: flex;
    height: calc(100vh - 140px);
}

.thread-list {
    width: 40%;
    overflow-y: auto;
    border-right: 1px solid #333;
}

.thread {
    padding: 1rem;
    border-bottom: 1px solid #2a2a2a;
    cursor: pointer;
}

.thread:hover {
    background: #2a2a2a;
}

.thread-subject {
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.thread-authors {
    color: #999;
    font-size: 0.9rem;
}

.thread-date {
    color: #666;
    font-size: 0.85rem;
}

.message-view {
    width: 60%;
    overflow-y: auto;
    padding: 1rem;
}

.message {
    margin-bottom: 2rem;
    padding: 1rem;
    border: 1px solid #333;
    border-radius: 4px;
    background: #252525;
}

.message-header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #333;
}

.message-content {
    margin-top: 1rem;
}

.content {
    padding: 1rem;
    background: #2a2a2a;
    border-radius: 4px;
}

.content pre {
    white-space: pre-wrap;
    word-wrap: break-word;
}

.attachments {
    margin-top: 1rem;
    padding: 0.5rem;
    background: #3a3a00;
    border-radius: 4px;
}

.loading {
    padding: 1rem;
    text-align: center;
    color: #999;
}

.error {
    padding: 1rem;
    background: #3a0000;
    border: 1px solid #600;
    border-radius: 4px;
    margin: 1rem;
}