/* ========================================
   AiMarkmap 主样式
   所有颜色使用 var(--xxx) 引用 themes.css
   ======================================== */

/* === 布局常量 === */
:root {
    --header-height: 68px;
    --mobile-header-height: 56px;
    --tab-bar-height: 56px;
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    --touch-target-min: 44px;
}

/* === 全局基础 === */
* { 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;
    color: var(--text-primary);
}

.hidden { display: none !important; }


/* === Header === */
.header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header h1 {
    color: white;
    font-size: 1.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.ai-badge {
    background: linear-gradient(45deg, #ff6b6b, #ffa500);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: white;
    animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.7; } }


/* === 主容器 === */
.container {
    display: flex;
    height: calc(100vh - 68px);
    gap: 1rem;
    padding: 1rem;
    flex-wrap: nowrap;
}


/* === 编辑面板 === */
.editor-panel {
    width: 400px;
    background: var(--panel-bg);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-panel);
    flex-shrink: 0;
    height: 100%;
}
.editor-panel > .panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header {
    background: var(--panel-header-bg);
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--panel-header-border);
    flex-shrink: 0;
}
.panel-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-accent);
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ai-config {
    background: var(--panel-section-bg);
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.config-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
    align-items: center;
}
.config-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    min-width: 50px;
    flex-shrink: 0;
    padding-top: 0;
}
.config-input {
    flex: 1;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    font-size: 0.85rem;
    min-width: 120px;
    height: 32px;
    background: var(--input-bg);
    color: var(--text-primary);
}

.model-input-wrapper { flex: 1; display: flex; flex-direction: column; }
#custom-model-input { margin-top: 0.4rem; }

.model-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.3rem;
    width: 100%;
    overflow: hidden;
}
.model-select {
    flex: 1 1 auto;
    width: 240px;
    max-width: 100%;
    min-width: 0;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    font-size: 0.85rem;
    height: 32px;
    background: var(--input-bg);
    color: var(--text-primary);
    cursor: pointer;
}
.query-models-btn {
    flex-shrink: 0;
    flex-grow: 0;
    flex-basis: 60px;
    min-width: 60px;
    max-width: 80px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0.3rem 0.6rem;
    border: 1px solid var(--btn-primary-start);
    border-radius: 4px;
    background: linear-gradient(135deg, var(--btn-secondary-start), var(--btn-secondary-end));
    color: var(--text-accent);
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.query-models-btn:hover {
    background: linear-gradient(135deg, var(--btn-secondary-hover-start), var(--btn-secondary-hover-end));
    transform: translateY(-1px);
    box-shadow: var(--shadow-btn-hover);
}
.query-models-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; box-shadow: none !important; }


/* === 操作按钮 === */
.button-row { display: flex; gap: 0.4rem; margin-bottom: 0.6rem; }
.panel-section { padding: 0.75rem; background: var(--panel-section-bg); border-bottom: 1px solid var(--border-color); }
.panel-section .config-row { margin-bottom: 0 !important; }
.panel-section .button-row:last-child { margin-bottom: 0; }

.control-btn {
    padding: 0.5rem 0.8rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
    flex: 1;
    min-width: 70px;
    font-weight: 500;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.control-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

.control-btn.ai-btn {
    background: linear-gradient(45deg, var(--btn-primary-start), var(--btn-primary-end));
    color: white;
    border: 2px solid transparent;
}
.control-btn.ai-btn:hover {
    background: linear-gradient(45deg, var(--btn-primary-hover-start), var(--btn-primary-hover-end));
    transform: translateY(-1px);
    box-shadow: var(--shadow-btn-hover);
}

.control-btn.view-btn {
    background: linear-gradient(135deg, var(--btn-secondary-start), var(--btn-secondary-end));
    color: var(--text-accent);
    border: 1px solid var(--btn-primary-start);
}
.control-btn.view-btn:hover {
    background: linear-gradient(135deg, var(--btn-secondary-hover-start), var(--btn-secondary-hover-end));
    transform: translateY(-1px);
    box-shadow: var(--shadow-btn-hover);
}
.control-btn.view-btn.active {
    background: linear-gradient(45deg, var(--btn-primary-start), var(--btn-primary-end));
    color: white;
    border: 1px solid var(--btn-primary-start);
}

.control-btn.markdown-btn {
    background: linear-gradient(135deg, var(--btn-md-start), var(--btn-md-end));
    color: #2e7d32;
    border: 1px solid #4caf50;
}
.control-btn.markdown-btn:hover {
    background: linear-gradient(135deg, var(--btn-md-hover-start), var(--btn-md-hover-end));
    transform: translateY(-1px);
}
.control-btn.markdown-btn.active {
    background: linear-gradient(45deg, #4caf50, #2e7d32);
    color: white;
    border: 1px solid #4caf50;
}

.control-btn.clear-btn {
    background: linear-gradient(135deg, var(--btn-clear-start), var(--btn-clear-end));
    color: #d32f2f;
    border: 1px solid #f44336;
    flex: 0 0 auto;
    min-width: 55px;
}
.control-btn.clear-btn:hover {
    background: linear-gradient(135deg, var(--btn-clear-hover-start), var(--btn-clear-hover-end));
    transform: translateY(-1px);
}

#settings-btn, #prompt-settings-btn {
    flex: 0 0 auto;
    padding: 0.4rem 0.8rem;
    height: 30px;
    background: linear-gradient(135deg, var(--btn-secondary-start), var(--btn-secondary-end));
    color: var(--text-accent);
    border: 1px solid var(--btn-primary-start);
}
#settings-btn:hover, #prompt-settings-btn:hover {
    background: linear-gradient(135deg, var(--btn-secondary-hover-start), var(--btn-secondary-hover-end));
    transform: translateY(-1px);
    box-shadow: var(--shadow-btn-hover);
}


/* === 输入区 === */
.input-section { flex: 1; display: flex; flex-direction: column; padding: 0.75rem; overflow: hidden; }
.text-input, .content-display {
    width: 100%;
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    font-size: 0.9rem;
    resize: none;
    line-height: 1.5;
    background: var(--input-bg);
    color: var(--text-primary);
    min-height: 200px;
}


/* === 版本滑块 === */
#version-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    background: linear-gradient(135deg, var(--slider-bg-start), var(--slider-bg-end));
    border-radius: 5px;
    outline: none;
    cursor: pointer;
    border: 1px solid var(--panel-header-border);
    transition: opacity .2s;
}
#version-slider::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 20px; height: 20px;
    background: var(--slider-thumb-bg);
    border-radius: 50%; cursor: pointer;
    border: 3px solid var(--slider-thumb-border);
    box-shadow: 0 2px 5px rgba(102, 126, 234, 0.2);
    margin-top: -7px; transition: all 0.2s ease;
}
#version-slider:hover::-webkit-slider-thumb {
    transform: scale(1.15);
    background: var(--slider-thumb-hover-bg);
    border-color: var(--slider-thumb-hover-bg);
}
#version-slider::-moz-range-thumb {
    width: 20px; height: 20px;
    background: var(--slider-thumb-bg);
    border-radius: 50%; cursor: pointer;
    border: 3px solid var(--slider-thumb-border);
    box-shadow: 0 2px 5px rgba(102, 126, 234, 0.2);
    transition: all 0.2s ease;
}
#version-slider:hover::-moz-range-thumb {
    transform: scale(1.15);
    background: var(--slider-thumb-hover-bg);
    border-color: var(--slider-thumb-hover-bg);
}
#version-count-display { font-weight: 600; color: var(--text-accent); min-width: 20px; text-align: center; }

.password-input-wrapper { position: relative; flex: 1; display: flex; align-items: center; }
.password-input-wrapper .config-input { padding-right: 40px; }
.visibility-toggle-btn {
    position: absolute; right: 0; top: 0;
    height: 100%; width: 40px;
    background: transparent; border: none;
    cursor: pointer; font-size: 1.1rem;
    color: var(--text-secondary);
    display: flex; align-items: center; justify-content: center;
    transition: color 0.2s;
}
.visibility-toggle-btn:hover { color: var(--text-primary); }

.prompt-tip {
    background-color: var(--tip-bg);
    border: 1px solid var(--tip-border);
    color: var(--tip-text);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}
.prompt-tip code {
    background-color: rgba(255, 255, 255, 0.3);
    padding: 0.1em 0.4em;
    border-radius: 4px;
    font-weight: 600;
    color: #d32f2f;
}


/* === 思维导图面板 === */
.mindmap-panel {
    flex: 1;
    background: var(--mindmap-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-panel);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.mindmap-header {
    background: linear-gradient(135deg, var(--mindmap-header-start) 0%, var(--mindmap-header-end) 100%);
    color: white;
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}
.mindmap-header .panel-title { color: white; }
.mindmap-container { width: 100%; height: calc(100% - 52px); background: var(--mindmap-bg); position: relative; flex: 1; }
#mindmap { width: 100%; height: 100%; }

.export-btn {
    background: var(--export-btn-bg);
    color: white;
    border: 1px solid var(--export-btn-border);
    padding: 0.4rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 80px;
    font-weight: 500;
}
.export-btn:hover { background: var(--export-btn-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2); }
.export-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

.results-tabs { display: flex; gap: 0.5rem; }
.result-tab-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}
.result-tab-btn:hover { background: rgba(255, 255, 255, 0.3); }
.result-tab-btn.active { background: rgba(255, 255, 255, 0.4); font-weight: 700; border-color: white; }


/* === Loading === */
.loading-overlay {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--loading-bg);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    z-index: 1000; color: var(--text-secondary); gap: 0.5rem;
}
.spinner-container { position: relative; width: 60px; height: 60px; margin-bottom: 0.5rem; }
.loading-spinner {
    width: 60px; height: 60px;
    border: 5px solid var(--spinner-track);
    border-top: 5px solid var(--spinner-active);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
#timer-display { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-weight: 600; color: var(--text-accent-alt); font-size: 1rem; }
.status-message { font-size: 0.9rem; text-align: center; }

#edit-node-input { height: 120px; margin-bottom: 1rem; }


/* === 模态框 === */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--modal-overlay);
    display: flex; align-items: center; justify-content: center;
    z-index: 2000; backdrop-filter: blur(5px);
    opacity: 0; visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-overlay:not(.hidden) { opacity: 1; visibility: visible; }
.modal-content {
    background: var(--modal-bg);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 450px; overflow: hidden;
    position: relative;
    transform: scale(0.95);
    transition: transform 0.3s ease;
    color: var(--text-primary);
}
.modal-overlay:not(.hidden) .modal-content { transform: scale(1); }
.modal-close-btn {
    position: absolute; top: 10px; right: 15px;
    background: none; border: none;
    font-size: 1.8rem; color: var(--text-secondary);
    cursor: pointer; line-height: 1; padding: 0;
}
.modal-close-btn:hover { color: var(--text-primary); }
.modal-content .ai-config { padding: 1rem 1.5rem 1.5rem 1.5rem; background: transparent; border-bottom: none; }
.modal-content .panel-header { background: var(--panel-header-bg); padding: 1rem 1.5rem; }


/* === 右键菜单 === */
.context-menu {
    position: absolute; z-index: 3000;
    background-color: var(--context-menu-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 6px 0; min-width: 150px;
    font-size: 0.9rem; list-style: none; user-select: none;
}
.context-menu-item {
    padding: 8px 16px; cursor: pointer;
    color: var(--text-primary);
    display: flex; align-items: center; gap: 8px;
}
.context-menu-item:hover { background-color: var(--context-menu-hover); }


/* === 帮助信息弹窗 === */
.info-modal-content { line-height: 1.6; color: var(--text-primary); padding: 1rem 1.5rem; }
.info-modal-content h2 {
    font-size: 1.5rem; color: var(--text-accent);
    margin-top: 1.5rem; margin-bottom: 1rem;
    padding-bottom: 0.5rem; border-bottom: 2px solid var(--info-h2-border);
}
.info-modal-content h2:first-of-type { margin-top: 0; }
.info-modal-content h3 { font-size: 1.2rem; color: var(--btn-primary-start); margin-top: 1.2rem; margin-bottom: 0.8rem; }
.info-modal-content p, .info-modal-content ul { margin-bottom: 1rem; }
.info-modal-content ul { list-style-position: outside; padding-left: 1.5rem; }
.info-modal-content li { margin-bottom: 0.5rem; }
.info-modal-content li > ul { margin-top: 0.5rem; margin-bottom: 0.5rem; }
.info-modal-content strong { color: var(--text-accent-alt); }
.info-modal-content code {
    background-color: var(--info-code-bg);
    padding: 0.2em 0.4em; border-radius: 4px;
    font-family: monospace; color: var(--text-accent); font-weight: 600;
}


/* === 移动端汉堡菜单 === */
.hamburger-btn {
    display: none; flex-direction: column; justify-content: space-around;
    width: 28px; height: 24px;
    background: transparent; border: none;
    cursor: pointer; padding: 0; z-index: 1100;
}
.hamburger-btn span { display: block; width: 100%; height: 3px; background: white; border-radius: 2px; transition: all 0.3s ease; }
.hamburger-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger-btn.active span:nth-child(2) { opacity: 0; }
.hamburger-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -6px); }

.mobile-menu {
    display: none; position: fixed;
    top: var(--mobile-header-height); left: 0; right: 0;
    background: var(--mobile-menu-bg);
    backdrop-filter: blur(10px);
    padding: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 1050; flex-direction: column; gap: 0.75rem;
    max-height: calc(100vh - var(--mobile-header-height));
    overflow-y: auto;
}
.mobile-menu.show { display: flex; }
.mobile-menu-item {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--panel-header-bg);
    border-radius: 8px; color: var(--text-accent);
    text-decoration: none; font-weight: 500;
    transition: all 0.2s; border: none;
    cursor: pointer; font-size: 1rem; width: 100%; text-align: left;
}
.mobile-menu-item:hover { background: var(--panel-header-border); }


/* === 移动端底部标签栏 === */
.mobile-tab-bar {
    display: none; position: fixed; bottom: 0; left: 0; right: 0;
    height: calc(var(--tab-bar-height) + var(--safe-area-bottom));
    padding-bottom: var(--safe-area-bottom);
    background: var(--tab-bar-bg);
    border-top: 1px solid var(--border-color);
    z-index: 1000; justify-content: space-around; align-items: center;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}
.mobile-tab-bar .tab-btn {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 4px; flex: 1; height: 100%;
    background: transparent; border: none; cursor: pointer;
    color: var(--text-secondary); font-size: 0.75rem;
    transition: all 0.2s; padding: 8px 0;
}
.mobile-tab-bar .tab-btn svg { width: 24px; height: 24px; transition: all 0.2s; }
.mobile-tab-bar .tab-btn.active { color: var(--btn-primary-start); }
.mobile-tab-bar .tab-btn.active svg { transform: scale(1.1); }


/* ========== 响应式媒体查询 ========== */

/* 平板和大屏手机 */
@media (max-width: 1024px) {
    .editor-panel { width: 350px; }
}

/* 移动端（768px 以下） */
@media (max-width: 768px) {
    .header { padding: 0.5rem 1rem; height: var(--mobile-header-height); }
    .header h1 { font-size: 1.3rem; }
    .header-right { gap: 0.5rem; }
    .header-right > #info-btn { display: none; }
    .hamburger-btn { display: flex; }

    .container {
        height: calc(100vh - var(--mobile-header-height) - var(--tab-bar-height) - var(--safe-area-bottom));
        padding: 0; gap: 0; position: relative; overflow: hidden;
    }
    .editor-panel, .mindmap-panel {
        position: absolute; top: 0; left: 0; width: 100%; height: 100%;
        border-radius: 0; transition: transform 0.3s ease, opacity 0.2s ease;
    }
    .editor-panel { z-index: 2; }
    .mindmap-panel { z-index: 1; }
    .editor-panel.hidden-mobile { transform: translateX(-100%); opacity: 0; pointer-events: none; }
    .mindmap-panel.hidden-mobile { transform: translateX(100%); opacity: 0; pointer-events: none; }

    .mobile-tab-bar { display: flex; }

    .panel-header { padding: 0.4rem 0.75rem; }
    .panel-section { padding: 0.3rem 0.75rem; }
    .input-section { padding: 0.4rem 0.75rem; }
    .button-row { gap: 0.4rem; }
    .control-btn { padding: 0.4rem 0.6rem; min-height: var(--touch-target-min); font-size: 0.9rem; }
    .config-input, .text-input, .model-select, select { min-height: var(--touch-target-min); font-size: 16px; }
    .query-models-btn { min-height: 38px; }

    .mindmap-header { padding: 0.5rem 0.75rem; flex-wrap: wrap; gap: 0.5rem; }
    .mindmap-header .panel-title { font-size: 0.9rem; }
    .results-tabs { order: 3; width: 100%; justify-content: center; flex-wrap: wrap; }
    .result-tab-btn { padding: 0.4rem 0.8rem; font-size: 0.8rem; }
    .export-btn { padding: 0.4rem 0.75rem; font-size: 0.85rem; min-width: auto; }
    #fullscreen-btn { display: none; }
    .mindmap-container { height: calc(100% - 80px); }

    .modal-content { width: 95% !important; max-width: none !important; max-height: 90vh; margin: 0 auto; }
    .modal-content .ai-config { padding: 0.75rem 1rem 1rem 1rem; }
    .modal-content .panel-header { padding: 0.75rem 1rem; }
    .modal-header h3, .panel-title { font-size: 1rem; }
    .config-row { flex-wrap: wrap; }
    .config-label { min-width: 100%; margin-bottom: 0.25rem; }
    .version-row, .model-row { flex-wrap: nowrap; }
    .version-row .config-label, .model-row .config-label { min-width: auto; margin-bottom: 0; }
    #prompt-input { height: 250px !important; }
    .info-modal-content { padding: 0.75rem 1rem; }
    .info-modal-content h2 { font-size: 1.2rem; }
    .info-modal-content h3 { font-size: 1rem; }
}

/* 小屏手机（480px 以下） */
@media (max-width: 480px) {
    .header h1 { font-size: 1.1rem; }
    .ai-badge { font-size: 0.7rem; padding: 0.2rem 0.5rem; }
    .button-row { gap: 0.25rem; }
    .control-btn { flex: 1; min-width: 0; padding: 0.3rem 0.3rem; font-size: 0.8rem; min-height: 38px; }
    .model-container { flex-wrap: nowrap; }
    .model-select { flex: 1; min-width: 0; height: 32px; min-height: 32px; }
    .query-models-btn { flex: 0 0 auto; }
    .mindmap-header > div:last-child { width: 100%; justify-content: center; }
    .export-btn { flex: 1; }
    .panel-section { padding: 0.4rem 0.5rem; }
    .model-row { margin-bottom: 0.5rem; }
    .version-row { margin-top: 0.3rem; }
    .action-buttons-section { padding: 0.6rem 0.5rem; margin: 0.4rem 0; }
    .panel-header { padding: 0.25rem 0.5rem; }
    .input-section { padding: 0.25rem 0.5rem; }
}