/* 关系地图 - 样式表 */

:root {
    --bg-gradient-start: #667eea;
    --bg-gradient-end: #764ba2;
    --card-bg: #ffffff;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #888888;
    --border-color: #e0e0e0;
    --input-bg: #ffffff;
    --input-border: #e0e0e0;
    --input-focus: #667eea;
    --btn-primary: #667eea;
    --btn-primary-hover: #5a6fd6;
    --btn-success: #4caf50;
    --btn-success-hover: #43a047;
    --modal-bg: #ffffff;
    --modal-overlay: rgba(0,0,0,0.5);
    --tooltip-bg: rgba(0,0,0,0.85);
    --tooltip-text: #ffffff;
    --shadow-color: rgba(0,0,0,0.2);
}

[data-theme="dark"] {
    --bg-gradient-start: #1a1a2e;
    --bg-gradient-end: #16213e;
    --card-bg: #1f1f3a;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-muted: #888888;
    --border-color: #3a3a5a;
    --input-bg: #2a2a4a;
    --input-border: #3a3a5a;
    --input-focus: #667eea;
    --btn-primary: #667eea;
    --btn-primary-hover: #7a8aef;
    --btn-success: #4caf50;
    --btn-success-hover: #5cbf60;
    --modal-bg: #1f1f3a;
    --modal-overlay: rgba(0,0,0,0.7);
    --tooltip-bg: rgba(255,255,255,0.9);
    --tooltip-text: #333333;
    --shadow-color: rgba(0,0,0,0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
    transition: background 0.3s;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    text-align: center;
    padding: 40px 20px;
    color: white;
    position: relative;
}

.header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.header p {
    font-size: 1.2em;
    opacity: 0.9;
}

.header-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.my-graphs-btn,
.help-btn,
.theme-toggle-btn {
    padding: 10px 20px;
    background: rgba(255,255,255,0.2);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.my-graphs-btn:hover,
.help-btn:hover,
.theme-toggle-btn:hover {
    background: rgba(255,255,255,0.3);
}

.theme-toggle-btn {
    font-size: 18px;
    padding: 10px 15px;
}

.input-section {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: 0 10px 40px var(--shadow-color);
    transition: background 0.3s;
}

.input-label {
    font-size: 1.1em;
    color: var(--text-primary);
    margin-bottom: 15px;
    display: block;
}

.input-hint {
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-bottom: 10px;
}

.text-input {
    width: 100%;
    height: 200px;
    border: 2px solid var(--input-border);
    border-radius: 12px;
    padding: 15px;
    font-size: 16px;
    line-height: 1.6;
    resize: vertical;
    transition: border-color 0.3s, background 0.3s;
    background: var(--input-bg);
    color: var(--text-primary);
}

.text-input:focus {
    outline: none;
    border-color: var(--input-focus);
}

.text-input::placeholder {
    color: var(--text-muted);
}

.templates-section {
    margin-top: 20px;
}

.templates-title {
    font-size: 0.95em;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.templates-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.filter-btn {
    padding: 6px 14px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
    color: var(--text-primary);
}

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

.filter-btn.active {
    background: var(--btn-primary);
    color: white;
    border-color: var(--btn-primary);
}

.templates-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.template-btn {
    padding: 8px 16px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
    color: var(--text-primary);
}

.template-btn:hover {
    background: var(--btn-primary);
    color: white;
    border-color: #667eea;
}

.button-row {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.generate-btn {
    flex: 1;
    min-width: 200px;
    padding: 18px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.generate-btn:active {
    transform: translateY(0);
}

.generate-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.settings-btn,
.template-save-btn {
    padding: 18px 25px;
    background: var(--card-bg);
    border: 2px solid var(--btn-primary);
    border-radius: 12px;
    font-size: 1em;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--btn-primary);
}

.settings-btn:hover,
.template-save-btn:hover {
    background: var(--btn-primary);
    color: white;
}

.template-save-btn {
    color: var(--btn-success);
    border-color: var(--btn-success);
}

.template-save-btn:hover {
    background: var(--btn-success);
}

.preview-section {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: 0 10px 40px var(--shadow-color);
    display: none;
    transition: background 0.3s;
}

.preview-section.visible {
    display: block;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.preview-title {
    font-size: 1.2em;
    color: var(--text-primary);
}

.preview-status {
    font-size: 0.9em;
    padding: 5px 12px;
    border-radius: 15px;
}

.preview-status.ai {
    background: #e8f5e9;
    color: #2e7d32;
}

.preview-status.local {
    background: #fff3e0;
    color: #ef6c00;
}

.preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.preview-column h4 {
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 0.95em;
}

.entity-list, .relation-list {
    max-height: 250px;
    overflow-y: auto;
}

.entity-item, .relation-item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    background: var(--input-bg);
    border-radius: 8px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.entity-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 10px;
}

.entity-name {
    flex: 1;
    font-size: 14px;
}

.entity-type {
    font-size: 12px;
    color: var(--text-muted);
}

.relation-item {
    font-size: 14px;
}

.relation-arrow {
    color: var(--btn-primary);
    margin: 0 8px;
}

.suggestions-box {
    margin-top: 20px;
    padding: 15px;
    background: #fff8e1;
    border-radius: 10px;
    border-left: 4px solid #ffc107;
    display: none;
}

.suggestions-box.visible {
    display: block;
}

.suggestions-title {
    font-size: 0.95em;
    color: #f57c00;
    margin-bottom: 10px;
}

.suggestion-item {
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
}

.preview-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.confirm-btn {
    flex: 1;
    min-width: 150px;
    padding: 15px;
    background: #4caf50;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1em;
    font-weight: bold;
    cursor: pointer;
}

.cancel-btn {
    padding: 15px 30px;
    background: var(--input-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 1em;
    cursor: pointer;
    transition: all 0.2s;
}

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

.graph-section {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px var(--shadow-color);
    display: none;
    transition: background 0.3s;
}

.graph-section.visible {
    display: block;
}

.graph-header {
    padding: 15px 20px;
    background: var(--input-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.graph-title {
    font-size: 1.1em;
    color: var(--text-primary);
}

.graph-stats {
    color: var(--text-muted);
    font-size: 0.9em;
}

.graph-container {
    height: 500px;
    position: relative;
}

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

#graph-canvas:active {
    cursor: grabbing;
}

.graph-controls {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
}

.control-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    background: #f0f0f0;
}

.save-btn,
.export-btn,
.share-btn,
.edit-btn,
.relation-btn {
    position: absolute;
    top: 20px;
    padding: 10px 20px;
    border: none;
    border-radius: 20px;
    box-shadow: 0 2px 10px var(--shadow-color);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
    z-index: 10;
}

.save-btn {
    right: 20px;
    background: var(--btn-primary);
    color: white;
}

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

.export-btn {
    right: 150px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

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

.share-btn {
    right: 290px;
    background: var(--btn-success);
    color: white;
}

.share-btn:hover {
    background: var(--btn-success-hover);
}

.edit-btn {
    right: 410px;
    background: #ff9800;
    color: white;
}

.edit-btn:hover {
    background: #f57c00;
}

.relation-btn {
    right: 550px;
    background: #9c27b0;
    color: white;
}

.relation-btn:hover {
    background: #7b1fa2;
}

.context-menu {
    position: absolute;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 20px var(--shadow-color);
    z-index: 1000;
    min-width: 150px;
    display: none;
}

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

.context-menu-item {
    padding: 10px 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    transition: background 0.2s;
}

.context-menu-item:hover {
    background: var(--input-bg);
}

.context-menu-item:first-child {
    border-radius: 8px 8px 0 0;
}

.context-menu-item:last-child {
    border-radius: 0 0 8px 8px;
}

.context-menu-item.danger {
    color: #f44336;
}

.tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 13px;
    pointer-events: none;
    z-index: 100;
    max-width: 200px;
}

.tooltip-title {
    font-weight: bold;
    margin-bottom: 5px;
}

.tooltip-info {
    opacity: 0.8;
    font-size: 12px;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--modal-overlay);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.visible {
    display: flex;
}

.modal-content {
    background: var(--modal-bg);
    padding: 30px;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    transition: background 0.3s;
}

.modal-title {
    font-size: 1.3em;
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

.modal-field label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-secondary);
    font-size: 0.9em;
}

.modal-field input,
.modal-field select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    background: var(--input-bg);
    color: var(--text-primary);
    transition: all 0.2s;
}

.modal-field input:focus,
.modal-field select:focus {
    outline: none;
    border-color: var(--input-focus);
}

.modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.modal-save {
    flex: 1;
    min-width: 100px;
    padding: 12px;
    background: var(--btn-primary);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

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

.modal-close {
    padding: 12px 20px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--border-color);
}

.graphs-list {
    max-height: 400px;
    overflow-y: auto;
}

.graph-item {
    display: flex;
    align-items: center;
    padding: 15px;
    background: var(--input-bg);
    border-radius: 10px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-primary);
}

.graph-item:hover {
    background: var(--border-color);
}

.graph-item-info {
    flex: 1;
}

.graph-item-name {
    font-weight: bold;
    margin-bottom: 5px;
    color: var(--text-primary);
}

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

.graph-item-actions {
    display: flex;
    gap: 8px;
}

.graph-item-btn {
    padding: 5px 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.graph-item-btn.load {
    background: var(--btn-primary);
    color: white;
}

.graph-item-btn.load:hover {
    background: var(--btn-primary-hover);
}

.graph-item-btn.delete {
    background: #ff5252;
    color: white;
}

.graph-item-btn.delete:hover {
    background: #ff6b6b;
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: #888;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.seo-content {
    display: none;
}

.modal-content.modal-lg {
    max-width: 600px;
}

.modal-field select {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: var(--text-primary);
}

.footer {
    text-align: center;
    padding: 30px;
    color: white;
    opacity: 0.7;
    font-size: 0.9em;
}

.mobile-bottom-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 10px 15px;
    box-shadow: 0 -2px 20px rgba(0,0,0,0.15);
    z-index: 100;
    padding-bottom: max(10px, env(safe-area-inset-bottom));
}

.mobile-bottom-bar.visible {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.mobile-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 15px;
    background: none;
    border: none;
    cursor: pointer;
    color: #667eea;
}

.mobile-action-btn:active {
    opacity: 0.6;
}

.mobile-action-icon {
    font-size: 22px;
    margin-bottom: 4px;
}

.mobile-action-text {
    font-size: 11px;
}

.touch-hint {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.touch-hint.visible {
    opacity: 1;
}

.share-qrcode {
    text-align: center;
    margin-bottom: 20px;
}

.share-qrcode canvas {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
}

.help-section {
    margin-bottom: 20px;
    text-align: left;
}

.help-section h4 {
    color: #667eea;
    margin-bottom: 10px;
}

.help-section ul {
    padding-left: 20px;
}

.help-section li {
    margin-bottom: 8px;
    line-height: 1.5;
    color: var(--text-primary);
}

.help-section code {
    background: var(--input-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    color: var(--text-primary);
}

.help-section kbd {
    background: var(--text-primary);
    color: var(--card-bg);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 12px;
}

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 12px 20px;
    border-radius: 8px;
    color: white;
    font-size: 14px;
    animation: slideIn 0.3s ease;
    max-width: 300px;
}

.toast.success {
    background: #4caf50;
}

.toast.error {
    background: #f44336;
}

.toast.info {
    background: #2196f3;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.version-link {
    cursor: pointer;
    text-decoration: underline;
    opacity: 0.8;
}

.version-link:hover {
    opacity: 1;
}

.changelog-section {
    margin-bottom: 15px;
    text-align: left;
}

.changelog-section h4 {
    color: var(--btn-primary);
    margin-bottom: 8px;
    font-size: 0.95em;
}

.changelog-section ul {
    padding-left: 20px;
    margin: 0;
}

.changelog-section li {
    margin-bottom: 5px;
    color: var(--text-primary);
    font-size: 13px;
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 1.8em;
    }
    
    .my-graphs-btn {
        position: static;
        transform: none;
        margin-top: 15px;
    }
    
    .input-section {
        padding: 20px;
    }
    
    .preview-grid {
        grid-template-columns: 1fr;
    }
    
    .graph-container {
        height: 400px;
    }
    
    .button-row {
        flex-direction: column;
    }
    
    .save-btn,
    .export-btn,
    .share-btn,
    .edit-btn,
    .relation-btn {
        display: none;
    }

    .graph-controls {
        display: none;
    }

    .footer {
        padding-bottom: 100px;
    }

    .template-btn {
        padding: 10px 16px;
        font-size: 15px;
    }

    .generate-btn, .settings-btn {
        padding: 16px;
        font-size: 16px;
    }

    .text-input {
        height: 150px;
        font-size: 16px;
    }

    .modal-content {
        padding: 20px;
        margin: 10px;
        max-height: 90vh;
    }

    .graph-item {
        padding: 12px;
    }

    .graph-item-btn {
        padding: 8px 12px;
        font-size: 13px;
    }
}

@media (hover: none) and (pointer: coarse) {
    .control-btn {
        width: 50px;
        height: 50px;
        font-size: 22px;
    }

    .entity-item, .relation-item {
        padding: 12px;
    }
}