* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #1a1a1a;
    color: #e0e0e0;
    font-family: system-ui, sans-serif;
    font-size: 14px;
    line-height: 1.4;
    overflow-x: hidden;
}

.header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #333;
}

.header h1 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.layout {
    display: flex;
    height: calc(100vh - 48px);
}

.list-panel {
    width: 320px;
    min-width: 280px;
    overflow-y: auto;
    border-right: 1px solid #333;
    padding: 0.5rem 0;
}

.filter-wrap {
    border-bottom: 1px solid #2a2a2a;
}

.filter-toggle {
    width: 100%;
    padding: 0.5rem 1rem;
    margin: 0;
    border: none;
    border-bottom: 1px solid #333;
    background: #1e1e1e;
    color: #aaa;
    font: inherit;
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
}

.filter-toggle:hover {
    background: #252525;
    color: #ddd;
}

.filter-body[hidden] {
    display: none;
}

.filter-body {
    padding: 0;
}

.filter-form {
    padding: 0 1rem 0.75rem;
    display: grid;
    gap: 0.35rem;
}

.filter-form label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #999;
    letter-spacing: 0.05em;
}

.filter-form input,
.filter-form select,
.filter-form button,
.clear-btn {
    width: 100%;
    border: 1px solid #333;
    padding: 0.45rem 0.55rem;
    background: #121212;
    color: #ddd;
    font: inherit;
}

.clear-btn {
    margin: 0 1rem 0.75rem;
    cursor: pointer;
}

.clear-btn:hover,
.filter-form button:hover {
    background: #222;
}

.clear-btn:active,
.filter-form button:active {
    background: #2b2b2b;
}

.list-item {
    display: block;
    padding: 0.5rem 1rem;
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid #2a2a2a;
}

.list-item:hover {
    background: #252525;
}

.list-item.selected {
    background: #1e3d1e;
}

.method-path {
    display: block;
    font-weight: 500;
    margin-bottom: 0.2rem;
}

.meta {
    display: block;
    font-size: 0.85rem;
    color: #999;
}

.detail-panel {
    flex: 1;
    overflow: auto;
    padding: 1rem;
}

.detail-panel pre {
    margin: 0 0 0.25rem 0;
    font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
    font-size: 13px;
    white-space: pre-wrap;
    word-break: break-all;
}

.request-line {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.header-line {
    color: #aaa;
}

.body-actions {
    margin-top: 0.5rem;
    margin-bottom: 0.25rem;
}

.pretty-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
    color: #999;
    cursor: pointer;
}

.pretty-toggle input {
    cursor: pointer;
}

.body {
    margin-top: 0.25rem;
    padding-top: 0.5rem;
    border-top: 1px solid #333;
}

.empty {
    color: #666;
    padding: 1rem;
}

.empty-state-title {
    color: #aaa;
    margin: 0 0 0.75rem 0;
    font-size: 1rem;
}

.empty-state-hint {
    color: #888;
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
}

.curl-tip {
    margin: 0;
    padding: 0.75rem 1rem;
    background: #252525;
    border: 1px solid #333;
    border-radius: 4px;
    color: #b8d4a8;
    font-size: 13px;
}

/* Responsive: mobile */
@media (max-width: 768px) {
    .layout {
        flex-direction: column;
        height: auto;
        min-height: calc(100vh - 48px);
    }

    .list-panel {
        width: 100%;
        min-width: 0;
        max-height: 45vh;
        flex-shrink: 0;
        border-right: none;
        border-bottom: 1px solid #333;
    }

    .detail-panel {
        flex: 1;
        min-height: 50vh;
        min-height: 50dvh;
    }

    .filter-form input,
    .filter-form select,
    .filter-form button,
    .clear-btn {
        min-height: 44px;
        padding: 0.6rem 0.75rem;
    }

    .list-item {
        min-height: 44px;
        padding: 0.65rem 1rem;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .header {
        padding: 0.6rem 1rem;
    }

    .detail-panel {
        padding: 0.75rem 1rem;
    }

    .detail-panel pre {
        font-size: 12px;
    }

    .curl-tip {
        font-size: 11px;
        overflow-wrap: break-word;
    }
}