:root {
    --bg: #f5f7fb;
    --bg-elev: #ffffff;
    --bg-muted: #f0f3f8;
    --border: #e3e8f0;
    --border-strong: #d0d7e2;
    --text: #1f2937;
    --text-muted: #64748b;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --danger: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
    --shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
    --radius: 10px;

    --json-key: #c41a16;
    --json-string: #1a7f37;
    --json-number: #0550ae;
    --json-boolean: #8250df;
    --json-null: #6e7781;
    --json-brace: #24292f;
}

[data-theme="dark"] {
    --bg: #0f172a;
    --bg-elev: #1e293b;
    --bg-muted: #172033;
    --border: #334155;
    --border-strong: #475569;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --primary: #60a5fa;
    --primary-hover: #3b82f6;
    --shadow: 0 4px 14px rgba(0, 0, 0, 0.4);

    --json-key: #ff7b72;
    --json-string: #7ee787;
    --json-number: #79c0ff;
    --json-boolean: #d2a8ff;
    --json-null: #8b949e;
    --json-brace: #c9d1d9;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    font-size: 18px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background-color 0.2s, color 0.2s;
}

.container {
    width: 100%;
    max-width: 2400px;
    margin: 0 auto;
    padding: 0 60px;
}

/* Header */
.site-header {
    background-color: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: saturate(180%) blur(12px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 600;
    font-size: 22px;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: #fff;
    border-radius: 10px;
    font-family: "SF Mono", Menlo, monospace;
    font-size: 17px;
    letter-spacing: -1px;
}

.nav {
    display: flex;
    gap: 6px;
}

.nav-item {
    color: var(--text-muted);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 16px;
    transition: background-color 0.15s, color 0.15s;
}

.nav-item:hover {
    background-color: var(--bg-muted);
    color: var(--text);
}

.nav-item.active {
    color: var(--primary);
    background-color: rgba(37, 99, 235, 0.08);
    font-weight: 500;
}

[data-theme="dark"] .nav-item.active {
    background-color: rgba(96, 165, 250, 0.15);
}

.header-actions {
    display: flex;
    gap: 10px;
}

.icon-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    width: 46px;
    height: 46px;
    border-radius: 10px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.icon-btn svg {
    width: 22px;
    height: 22px;
}

.icon-btn:hover {
    background-color: var(--bg-muted);
    border-color: var(--border-strong);
}

.icon-sun { display: none; }
.icon-moon { display: block; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

/* Main */
.main-area {
    flex: 1;
    padding: 32px 48px 60px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Toolbar */
.toolbar {
    background-color: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
}

.toolbar-left, .toolbar-right {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.btn {
    height: 42px;
    padding: 0 20px;
    border: 1px solid var(--border);
    background-color: var(--bg-elev);
    color: var(--text);
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.15s;
    white-space: nowrap;
}

.btn svg {
    width: 16px;
    height: 16px;
}

.btn:hover {
    background-color: var(--bg-muted);
    border-color: var(--border-strong);
}

.btn:active { transform: translateY(1px); }

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

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

.btn-danger {
    color: var(--danger);
    border-color: transparent;
}

.btn-danger:hover {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}

.field-inline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--text-muted);
}

select {
    height: 42px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: var(--bg-elev);
    color: var(--text);
    font-size: 15px;
    cursor: pointer;
}

/* Editor area */
.editor-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    min-height: calc(100vh - 280px);
}

@media (max-width: 1200px) {
    .editor-wrap { grid-template-columns: 1fr; min-height: 600px; }
}

.editor-pane {
    background-color: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.pane-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    background-color: var(--bg-muted);
}

.pane-title {
    font-weight: 600;
    font-size: 16px;
}

.pane-info {
    font-size: 14px;
    color: var(--text-muted);
}

.editor-body {
    position: relative;
    flex: 1;
    display: flex;
    min-height: 0;
}

.gutter {
    display: none;
}

#input {
    flex: 1;
    border: 0;
    resize: none;
    padding: 18px 24px;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 16px;
    line-height: 1.8;
    background-color: transparent;
    color: var(--text);
    outline: none;
    white-space: pre-wrap;
    word-break: break-all;
    overflow-x: hidden;
    overflow-y: auto;
    tab-size: 4;
}

.output-text {
    margin: 0;
    padding: 18px 24px;
    flex: 1;
    overflow: auto;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 16px;
    line-height: 1.9;
    white-space: pre;
    color: var(--text);
    background-color: var(--bg-elev);
}

/* foldable text-view */
.output-text .jl {
    position: relative;
    white-space: pre;
    padding-left: 22px; /* 给折叠箭头留位 */
}

.output-text .jl .pad {
    white-space: pre;
}

.output-text .fold-toggle {
    position: absolute;
    left: 2px;
    top: 0;
    width: 18px;
    height: 1.8em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 11px;
    user-select: none;
    border-radius: 4px;
    transition: color 0.15s, background-color 0.15s;
}

.output-text .fold-toggle:hover {
    color: var(--primary);
    background-color: var(--bg-muted);
}

.output-text .fold-toggle.empty {
    visibility: hidden;
}

.output-text .fold-summary {
    color: var(--text-muted);
    font-style: italic;
    margin-left: 4px;
}

.output-text .fold-placeholder {
    margin-left: 2px;
}

.output-text .fold-block.collapsed > .fold-body,
.output-text .fold-block.collapsed > .jl-tail {
    display: none;
}

.output-text .err-line {
    display: block;
    background-color: rgba(239, 68, 68, 0.12);
    border-left: 3px solid var(--danger);
    padding-left: 8px;
    margin-left: -11px;
}

.output-tree {
    flex: 1;
    overflow: auto;
    padding: 18px 24px;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 16px;
    line-height: 2;
    background-color: var(--bg-elev);
}

/* JSON syntax colors */
.tk-key { color: var(--json-key); }
.tk-str { color: var(--json-string); }
.tk-num { color: var(--json-number); }
.tk-bool { color: var(--json-boolean); }
.tk-null { color: var(--json-null); }
.tk-punc { color: var(--json-brace); }

/* Tree */
.tree-node {
    position: relative;
    padding-left: 22px;
}

.tree-toggle {
    position: absolute;
    left: 0;
    top: 4px;
    cursor: pointer;
    user-select: none;
    color: var(--text-muted);
    font-size: 12px;
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: transform 0.15s;
}

.tree-toggle:hover {
    background-color: var(--bg-muted);
    color: var(--text);
}

.tree-toggle.collapsed::before { content: "▶"; }
.tree-toggle.expanded::before { content: "▼"; }

.tree-children { margin: 0; padding-left: 24px; border-left: 1px dashed var(--border); }
.tree-children.hidden { display: none; }

.tree-summary {
    color: var(--text-muted);
    font-size: 14px;
    margin-left: 8px;
}

.status-bar {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-bar::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: currentColor;
    flex-shrink: 0;
}

.status-idle { color: var(--text-muted); }
.status-ok { color: var(--success); }
.status-err { color: var(--danger); }
.status-warn { color: var(--warning); }

.result-foot {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-muted);
}

.view-switch {
    display: inline-flex;
    background-color: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 3px;
}

.switch-btn {
    border: 0;
    background: transparent;
    color: var(--text-muted);
    padding: 6px 14px;
    font-size: 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
}

.switch-btn.active {
    background-color: var(--primary);
    color: #fff;
}

.mini-btn {
    border: 1px solid var(--border);
    background-color: var(--bg-elev);
    color: var(--text-muted);
    padding: 6px 14px;
    font-size: 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
    margin-left: 8px;
}

.mini-btn:hover {
    color: var(--text);
    background-color: var(--bg-muted);
}

/* Features */
.features {
    margin-top: 32px;
    padding: 36px 40px;
    background-color: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.features h2 {
    margin: 0 0 24px;
    font-size: 24px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    padding: 26px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--bg-muted);
    transition: transform 0.15s, box-shadow 0.15s;
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: #fff;
    font-family: "SF Mono", Menlo, monospace;
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 14px;
}

.feature-card h3 {
    margin: 0 0 8px;
    font-size: 18px;
}

.feature-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    background-color: var(--bg-elev);
    padding: 26px 0;
    color: var(--text-muted);
    font-size: 15px;
    text-align: center;
}

.site-footer p { margin: 4px 0; }

.site-footer .beian {
    font-size: 13px;
    color: var(--text-muted);
}

.site-footer .beian a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.15s;
}

.site-footer .beian a:hover {
    color: var(--primary);
    text-decoration: underline;
}

/* Toast */
.toast {
    position: fixed;
    left: 50%;
    bottom: 60px;
    transform: translateX(-50%);
    background-color: #1f2937;
    color: #fff;
    padding: 14px 24px;
    border-radius: 10px;
    font-size: 15px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    z-index: 100;
    animation: toastIn 0.2s ease;
}

@keyframes toastIn {
    from { opacity: 0; transform: translate(-50%, 10px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

/* Scrollbar */
textarea::-webkit-scrollbar,
.output-text::-webkit-scrollbar,
.output-tree::-webkit-scrollbar {
    width: 14px;
    height: 14px;
}

textarea::-webkit-scrollbar-thumb,
.output-text::-webkit-scrollbar-thumb,
.output-tree::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 7px;
    border: 3px solid var(--bg-elev);
    background-clip: padding-box;
}

textarea::-webkit-scrollbar-track,
.output-text::-webkit-scrollbar-track,
.output-tree::-webkit-scrollbar-track {
    background: transparent;
}

/* ========== Tabs ========== */
.tab-panel { display: none; flex-direction: column; gap: 24px; }
.tab-panel.active { display: flex; }

/* ========== Generic tool card ========== */
.tool-card {
    background-color: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 32px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.tool-title {
    margin: 0 0 8px;
    font-size: 22px;
    font-weight: 600;
}

.tool-card h3 {
    margin: 18px 0 10px;
    font-size: 17px;
    font-weight: 600;
}

.tool-card label.block-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.row > input[type="text"],
.row > input[type="number"],
.row > input[type="datetime-local"] {
    flex: 1;
    min-width: 240px;
    height: 42px;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: var(--bg);
    color: var(--text);
    font-size: 15px;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    outline: none;
    transition: border-color 0.15s;
}

.row > input:focus {
    border-color: var(--primary);
}

.plain-area {
    width: 100%;
    min-height: 180px;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: var(--bg);
    color: var(--text);
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 15px;
    line-height: 1.7;
    outline: none;
    resize: vertical;
    box-sizing: border-box;
    white-space: pre-wrap;
    word-break: break-all;
}

.plain-area:focus { border-color: var(--primary); }

.options {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
}

.chk {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
}

.chk input { cursor: pointer; }

.status-line {
    font-size: 13px;
    color: var(--text-muted);
}

.mono { font-family: "SF Mono", Menlo, Consolas, monospace; }

/* ========== dual-pane (Base64 / URL) ========== */
.dual-wrap {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 18px;
    align-items: stretch;
}

.dual-pane {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--bg);
}

.dual-pane .pane-header {
    padding: 10px 14px;
    background-color: var(--bg-muted);
    border-bottom: 1px solid var(--border);
}

.dual-pane textarea {
    border: 0;
    border-radius: 0;
    flex: 1;
    min-height: 300px;
    background: transparent;
}

.dual-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
    align-items: stretch;
    min-width: 120px;
}

.dual-actions .btn { justify-content: center; }

@media (max-width: 1000px) {
    .dual-wrap { grid-template-columns: 1fr; }
    .dual-actions { flex-direction: row; justify-content: center; }
}

/* ========== timestamp now-bar & form-grid ========== */
.now-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    padding: 18px 20px;
    background-color: var(--bg-muted);
    border-radius: 8px;
    border: 1px solid var(--border);
    align-items: center;
    font-size: 15px;
}

.now-bar .label { color: var(--text-muted); margin-right: 6px; }
.now-bar .mono { font-size: 16px; margin-right: 8px; }

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 1000px) {
    .form-grid { grid-template-columns: 1fr; }
    .now-bar { flex-direction: column; align-items: flex-start; gap: 10px; }
}

.form-block {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    background-color: var(--bg);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-block > label {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}

/* ========== kv list ========== */
.kv {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px 18px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: var(--bg-muted);
}

.kv > div {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 14px;
    min-height: 28px;
}

.kv-key {
    flex-shrink: 0;
    width: 130px;
    color: var(--text-muted);
}

.kv-val {
    flex: 1;
    color: var(--text);
    word-break: break-all;
    user-select: all;
}

.kv .mini-btn { margin-left: auto; }

.sub-section {
    margin-top: 10px;
    padding-top: 18px;
    border-top: 1px dashed var(--border);
}

/* ========== regex ========== */
.regex-line {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: var(--bg);
}

.regex-line:focus-within { border-color: var(--primary); }

.regex-slash {
    color: var(--text-muted);
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 18px;
}

.regex-line input {
    flex: 1;
    border: 0;
    outline: none;
    background: transparent;
    color: var(--text);
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 15px;
    height: 32px;
}

#regexHighlight .hl {
    background-color: rgba(251, 191, 36, 0.35);
    border-radius: 3px;
    padding: 1px 2px;
}

[data-theme="dark"] #regexHighlight .hl {
    background-color: rgba(250, 204, 21, 0.3);
}

#regexMatches .match-row {
    padding: 6px 10px;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
    display: flex;
    gap: 16px;
}

#regexMatches .match-idx {
    color: var(--text-muted);
    min-width: 48px;
}

#regexMatches .match-val {
    color: var(--json-string);
    word-break: break-all;
}

/* 保持主题切换按钮图标与之前一致 */
.icon-btn svg { width: 22px; height: 22px; }

/* 让旧的 .toolbar 按钮内部 svg 更小些 */
.toolbar .btn svg { width: 16px; height: 16px; }

/* ================== HTTP 请求（Postman 风格） ================== */
.http-card { gap: 14px; }

.http-url-bar {
    display: flex;
    gap: 0;
    align-items: stretch;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    background-color: var(--bg);
}

.http-method {
    width: 130px;
    height: 46px;
    border: 0;
    border-right: 1px solid var(--border);
    background-color: var(--bg-muted);
    color: var(--primary);
    font-weight: 700;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 15px;
    padding: 0 14px;
    cursor: pointer;
    outline: none;
}

.http-url {
    flex: 1;
    border: 0;
    outline: none;
    padding: 0 16px;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 15px;
    background: transparent;
    color: var(--text);
    min-width: 0;
}

.http-url-bar .btn {
    border-radius: 0;
    border: 0;
    border-left: 1px solid var(--border);
    height: 46px;
    padding: 0 22px;
}

.http-url-bar .btn-primary { font-weight: 600; }

/* 子标签 */
.http-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    margin-top: 4px;
}

.http-tabs.sub { margin-top: 0; }

.http-tab {
    border: 0;
    background: transparent;
    color: var(--text-muted);
    padding: 10px 18px;
    font-size: 14px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.15s;
    font-weight: 500;
}

.http-tab:hover { color: var(--text); }

.http-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.http-subpanel { display: none; padding: 12px 0; flex-direction: column; gap: 12px; }
.http-subpanel.active { display: flex; }

/* KV 编辑器（Params / Headers） */
.kv-editor {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.kv-row {
    display: grid;
    grid-template-columns: 28px 1fr 1fr 36px;
    gap: 8px;
    align-items: center;
}

.kv-row input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; }

.kv-row input[type="text"] {
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background-color: var(--bg);
    color: var(--text);
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 14px;
    outline: none;
}

.kv-row input[type="text"]:focus { border-color: var(--primary); }

.kv-row .kv-del {
    width: 32px;
    height: 32px;
    border: 0;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 6px;
    font-size: 18px;
}

.kv-row .kv-del:hover { color: var(--danger); background-color: rgba(239,68,68,0.1); }

.body-type-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    padding-bottom: 6px;
    border-bottom: 1px dashed var(--border);
}

.hint-note {
    margin: 6px 0 0;
    padding: 10px 14px;
    background-color: rgba(245, 158, 11, 0.08);
    border-left: 3px solid var(--warning);
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.6;
    border-radius: 0 6px 6px 0;
}

/* 响应区 */
.http-resp {
    margin-top: 10px;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    background-color: var(--bg);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.http-resp-head {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.resp-status {
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-weight: 700;
    font-size: 14px;
    padding: 4px 10px;
    border-radius: 5px;
}

.resp-idle { background-color: var(--bg-muted); color: var(--text-muted); }
.resp-ok { background-color: rgba(16, 185, 129, 0.15); color: var(--success); }
.resp-err { background-color: rgba(239, 68, 68, 0.15); color: var(--danger); }
.resp-warn { background-color: rgba(245, 158, 11, 0.15); color: var(--warning); }

.resp-meta {
    font-size: 13px;
    color: var(--text-muted);
    font-family: "SF Mono", Menlo, Consolas, monospace;
}

/* 历史记录 */
.http-history {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 260px;
    overflow-y: auto;
    margin-bottom: 10px;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background-color: var(--bg);
    cursor: pointer;
    transition: background-color 0.15s;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 13px;
}

.history-item:hover { background-color: var(--bg-muted); }

.history-item .m {
    font-weight: 700;
    min-width: 56px;
    color: var(--primary);
}

.history-item .u {
    flex: 1;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-item .s { color: var(--text-muted); font-size: 12px; }

.history-item .del {
    border: 0;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 6px;
    font-size: 16px;
}
.history-item .del:hover { color: var(--danger); }

/* ================== JSON Diff ================== */
.diff-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

@media (max-width: 1000px) {
    .diff-inputs { grid-template-columns: 1fr; }
}

.diff-editor {
    position: relative;
    min-height: 360px;
}

.diff-textarea {
    width: 100%;
    min-height: 360px !important;
    height: 100%;
}

.diff-preview {
    min-height: 360px;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: var(--bg);
    color: var(--text);
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 15px;
    line-height: 1.8;
    overflow: auto;
    white-space: pre;
    box-sizing: border-box;
    cursor: text;
}

.diff-preview .dline {
    display: block;
    padding: 0 6px;
    margin: 0 -6px;
    border-radius: 3px;
}

/* 左侧：删除 / 修改旧值 */
.diff-preview.side-left .dline.del,
.diff-preview.side-left .dline.mod {
    background-color: rgba(239, 68, 68, 0.14);
    box-shadow: inset 3px 0 0 #ef4444;
    padding-left: 10px;
}

/* 右侧：新增 / 修改新值 */
.diff-preview.side-right .dline.add,
.diff-preview.side-right .dline.mod {
    background-color: rgba(16, 185, 129, 0.14);
    box-shadow: inset 3px 0 0 #10b981;
    padding-left: 10px;
}

[data-theme="dark"] .diff-preview.side-left .dline.del,
[data-theme="dark"] .diff-preview.side-left .dline.mod {
    background-color: rgba(239, 68, 68, 0.22);
}

[data-theme="dark"] .diff-preview.side-right .dline.add,
[data-theme="dark"] .diff-preview.side-right .dline.mod {
    background-color: rgba(16, 185, 129, 0.22);
}

.diff-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.diff-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    font-family: "SF Mono", Menlo, Consolas, monospace;
}

.diff-badge b { font-size: 14px; }

.b-add { background-color: rgba(16,185,129,0.12); color: var(--success); }
.b-del { background-color: rgba(239,68,68,0.12); color: var(--danger); }
.b-mod { background-color: rgba(245,158,11,0.15); color: var(--warning); }
.b-same { background-color: var(--bg-muted); color: var(--text-muted); }