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

/* 站点统一返回链接样式 - 调整为页面内布局 */
.back-link {
    display: inline-block;
    margin-bottom: 15px;
    color: #4f8a8b;
    text-decoration: none;
    font-size: 0.85rem;
}
.back-link:hover { text-decoration: underline; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    height: 100vh;
    color: #fff;
    overflow: hidden;
}

.container {
    display: flex;
    height: 100vh;
    margin: 0;
}

.left-panel {
    width: 400px;
    min-height: 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    transition: width 0.3s, padding 0.3s, opacity 0.3s;
    overflow: hidden;
}

.left-panel.collapsed {
    width: 0;
    padding: 20px 0;
    opacity: 0;
    border-right: none;
}

.panel-toggle {
    flex-shrink: 0;
    width: auto;
    padding: 8px 4px;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0;
}

.panel-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #e2e8f0;
}

.right-panel {
    flex: 1;
    position: relative;
    overflow: hidden;
}

h1 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #fff;
    text-align: center;
}

.input-section {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

textarea {
    flex: 1;
    width: 100%;
    padding: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 14px;
    resize: none;
    outline: none;
    transition: border-color 0.3s;
}

textarea:focus {
    border-color: #00d4ff;
}

textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.btn {
    margin-top: 15px;
    padding: 12px 20px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.btn-row {
    display: flex;
    gap: 8px;
}

.btn-row .btn {
    flex: 1;
}

#canvas {
    width: 100%;
    height: 100%;
    cursor: grab;
}

#canvas:active {
    cursor: grabbing;
}

.info-panel {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.35);
    padding: 15px;
    border-radius: 10px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
}

.node {
    cursor: pointer;
    transition: all 0.3s ease;
}

.node:hover .node-box {
    filter: brightness(1.2);
}

.node-title {
    font-weight: 600;
    font-size: 13px;
}

.node-value {
    font-size: 12px;
    opacity: 0.8;
}

.collapsed {
    opacity: 0.6;
}

.legend {
    position: absolute;
    bottom: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.35);
    padding: 10px;
    border-radius: 8px;
    font-size: 12px;
}

.legend-item {
    display: flex;
    align-items: center;
    margin: 5px 0;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    margin-right: 8px;
}

.error-message {
    color: #ff6b6b;
    font-size: 12px;
    margin-top: 10px;
    display: none;
}

.tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.35);
    color: #fff;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    pointer-events: none;
    z-index: 1000;
    max-width: 250px;
    word-wrap: break-word;
    overflow-wrap: break-word;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.25);
    display: none;
    line-height: 1.5;
}

.tooltip-key {
    font-weight: 600;
    color: #00d4ff;
}

.tooltip-value {
    color: #38ef7d;
    word-break: break-all;
    display: inline-block;
    max-width: 100%;
}

.tooltip-type {
    color: #ffa726;
    font-size: 12px;
}

.context-menu {
    position: fixed;
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 8px 0;
    min-width: 160px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    display: none;
    backdrop-filter: blur(10px);
}

.context-menu.show {
    display: block;
}

.context-menu-item {
    padding: 10px 20px;
    color: #e5e7eb;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.context-menu-item:hover {
    background-color: rgba(59, 130, 246, 0.3);
}

.context-menu-item:first-child {
    border-radius: 12px 12px 0 0;
}

.context-menu-item:last-child {
    border-radius: 0 0 12px 12px;
}

.context-menu-item .icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.context-menu-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 8px 0;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 3000;
    backdrop-filter: blur(5px);
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 24px;
    min-width: 400px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.modal-form label {
    font-size: 14px;
    color: #94a3b8;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.modal-form input,
.modal-form select {
    padding: 12px 14px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s;
}

.modal-form input:focus,
.modal-form select:focus {
    border-color: #3b82f6;
}

.modal-form select option {
    background: #1e293b;
    color: #fff;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.modal-btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.modal-btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #fff;
}

.modal-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #e5e7eb;
}

.modal-btn:hover {
    transform: translateY(-1px);
}

#editModal {
    min-width: 400px;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
}

.list-header {
    margin-bottom: 10px;
    font-size: 14px;
    color: #94a3b8;
}

#propertyList {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 350px;
    overflow-y: auto;
}

.property-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
}

.property-item input,
.property-item select {
    padding: 6px 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 12px;
    outline: none;
}

.property-item input:focus,
.property-item select:focus {
    border-color: #3b82f6;
}

.property-item select option {
    background: #1e293b;
    color: #fff;
}

.property-key {
    width: 80px;
}

.property-value {
    flex: 1;
    min-width: 0;
}

.property-type {
    width: 75px;
}

.property-bool {
    flex: 1;
    min-width: 0;
    padding: 6px 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 12px;
    outline: none;
}

.property-bool option {
    background: #1e293b;
    color: #fff;
}

.property-hint {
    flex: 1;
    text-align: center;
    padding: 6px 0;
}

.btn-delete {
    padding: 5px 10px;
    border: none;
    border-radius: 4px;
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    cursor: pointer;
    font-size: 11px;
    transition: background-color 0.2s;
    white-space: nowrap;
}

.btn-delete:hover {
    background: rgba(239, 68, 68, 0.4);
}

/* ===== 视图切换按钮 ===== */
.view-toggle {
    display: flex;
    gap: 0;
    margin-bottom: 6px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.12);
    width: fit-content;
}

.vt-btn {
    padding: 6px 16px;
    font-size: 12px;
    font-family: inherit;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.04);
    color: #94a3b8;
    border: none;
    transition: all 0.2s;
}

.vt-btn:first-child {
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.vt-btn.active {
    background: rgba(0, 212, 255, 0.15);
    color: #e2e8f0;
}

.vt-btn:hover:not(.active) {
    background: rgba(255, 255, 255, 0.08);
}

/* ===== JSON 树编辑器 ===== */
.json-editor {
    flex: 1;
    width: 100%;
    min-height: 0;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.25);
    overflow-y: auto;
    font-family: 'Consolas', 'Monaco', 'Menlo', monospace;
    font-size: 13px;
    line-height: 1.7;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.json-editor:hover {
    border-color: rgba(255, 255, 255, 0.25);
}

.json-editor:focus-within {
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.je-toolbar {
    display: flex;
    gap: 6px;
    padding: 8px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    position: sticky;
    top: 0;
    z-index: 1;
    backdrop-filter: blur(10px);
}

.je-tool-btn {
    padding: 5px 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.06);
    color: #94a3b8;
    font-size: 11px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
}

.je-tool-btn:hover {
    background: rgba(0, 212, 255, 0.15);
    color: #e2e8f0;
    border-color: rgba(0, 212, 255, 0.3);
}

.je-tree {
    padding: 10px 14px;
    user-select: none;
}

.je-line {
    white-space: nowrap;
    min-height: 24px;
    display: flex;
    align-items: center;
    line-height: 24px;
    padding: 0 4px;
    border-radius: 4px;
    transition: background-color 0.1s;
}

.je-line:hover {
    background: rgba(255, 255, 255, 0.04);
}

.je-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    font-size: 10px;
    cursor: pointer;
    color: #64748b;
    border-radius: 4px;
    margin-right: 4px;
    transition: all 0.15s;
    flex-shrink: 0;
}

.je-toggle:hover {
    background: rgba(0, 212, 255, 0.2);
    color: #00d4ff;
}

.je-key {
    color: #7dd3fc;
    margin-right: 0;
}

.je-colon {
    color: #475569;
    margin: 0 2px;
}

.je-index {
    color: #c084fc;
    font-size: 12px;
}

.je-bracket {
    color: #64748b;
    font-weight: 700;
}

.je-count {
    color: #475569;
    font-size: 11px;
    margin-left: 6px;
    font-style: italic;
}

.je-comma {
    color: #475569;
}

.je-ellipsis {
    color: #475569;
    font-style: italic;
    font-size: 12px;
    letter-spacing: 1px;
}

.je-children {
    border-left: 1px solid rgba(255, 255, 255, 0.06);
    margin-left: 8px;
}

.je-val-string {
    color: #34d399;
}

.je-val-number {
    color: #f472b6;
}

.je-val-boolean {
    color: #fbbf24;
}

.je-val-null {
    color: #64748b;
    font-style: italic;
}

/* 内联编辑输入框 */
.je-edit-input {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(0, 212, 255, 0.5);
    border-radius: 3px;
    color: #e2e8f0;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    padding: 1px 4px;
    outline: none;
    min-width: 60px;
    max-width: 260px;
}

.je-edit-input:focus {
    border-color: #00d4ff;
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.2);
}

.je-val-string:hover,
.je-val-number:hover,
.je-val-boolean:hover,
.je-val-null:hover {
    outline: 1px dashed rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    cursor: text;
}

.je-key {
    cursor: pointer;
}

.je-key:hover {
    text-decoration: underline;
}