:root {
    /* Light theme colors */
    --primary-color: #2196F3;
    --primary-dark: #1976D2;
    --secondary-color: #4CAF50;
    --secondary-dark: #45a049;
    --background: #f8f9fa;
    --surface: #ffffff;
    --text-primary: #212121;
    --text-secondary: #666666;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --error-color: #f44336;
    --success-color: #4CAF50;
    --primary: #2196f3;
    --primary-rgb: 33, 150, 243;
    --primary-light: #bbdefb;
    --secondary: #ff9800;
    --success: #4caf50;
    --danger: #f44336;
    --warning: #ff9800;
    --info: #2196f3;
    --background: #f5f7fb;
    --surface: #ffffff;
    --surface-rgb: 255, 255, 255;
    --surface-alt: #f0f4f8;
    --surface-alt-rgb: 248, 249, 250;
    --text: #2c3e50;
    --text-tertiary: #9e9e9e;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --hover-color: #e9ecef;
    --accent: #4a6cf7;
    --placeholder: #a0a0a0;
    --disabled: #e6e6e6;
}

[data-theme="dark"] {
    --primary-color: #64B5F6;
    --primary-dark: #42A5F5;
    --secondary-color: #81C784;
    --secondary-dark: #66BB6A;
    --background: #121212;
    --surface: #1E1E1E;
    --surface-rgb: 30, 30, 30;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --text-tertiary: #909090;
    --border-color: #333333;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --primary: #64b5f6;
    --primary-rgb: 100, 181, 246;
    --primary-light: #bbdefb;
    --secondary: #ff9800;
    --danger: #f44336;
    --success: #4caf50;
    --background: #1a1a2e;
    --surface: #272741;
    --surface-alt: #202035;
    --surface-alt-rgb: 37, 37, 37;
    --text: #f0f0f0;
    --text-secondary: #a0a0a0;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --border-color: #353545;
    --hover-color: #32324b;
    --accent: #4a6cf7;
    --placeholder: #515151;
    --disabled: #3a3a3a;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--background);
    position: relative;
}

/* Header Styles */
.app-header {
    background-color: var(--surface);
    padding: 0.75rem 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    z-index: 100;
    position: sticky;
    top: 0;
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.app-header h1 {
    font-size: 1.3rem;
    color: var(--primary);
    margin: 0;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    letter-spacing: -0.5px;
    white-space: nowrap;
}

#connectionStatus {
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    border-radius: 1rem;
    margin: 0 0.5rem;
    white-space: nowrap;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#connectionStatus::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

#connectionStatus.connected {
    background-color: rgba(76, 175, 80, 0.15);
    color: var(--success);
    border: 1px solid rgba(76, 175, 80, 0.3);
}

#connectionStatus.connected::before {
    background-color: var(--success);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.3);
}

#connectionStatus.disconnected {
    background-color: rgba(244, 67, 54, 0.15);
    color: var(--danger);
    border: 1px solid rgba(244, 67, 54, 0.3);
}

#connectionStatus.disconnected::before {
    background-color: var(--danger);
    box-shadow: 0 0 0 2px rgba(244, 67, 54, 0.3);
}

.header-buttons {
    display: flex;
    gap: 0.5rem;
}

.header-buttons .btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--surface-alt);
    color: var(--text-secondary);
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header-buttons .btn-icon:hover {
    transform: translateY(-2px);
    background-color: var(--hover-color);
    color: var(--primary);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.header-buttons .btn-icon:active {
    transform: translateY(0);
}

/* Main Content */
.app-main {
    flex: 1;
    display: flex;
    padding: 1.5rem;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
    background-color: var(--background);
}

.content-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Capture Section */
.capture-section {
    background-color: var(--surface);
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 1.5rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 0.75rem 1rem;
    background-color: var(--surface-alt);
    border-radius: 0.75rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
}

.toolbar-buttons {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
}

.button-group {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.analysis-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding: 1.5rem;
    background-color: var(--surface-alt);
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.analysis-button .button-group {
    display: flex;
    gap: 1rem;
    width: 100%;
    max-width: 500px;
    justify-content: center;
}

.text-editor {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background-color: var(--surface);
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    margin-top: 1.5rem;
}

.text-editor:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.text-editor textarea {
    width: 100%;
    min-height: 150px;
    padding: 1rem;
    border: 1.5px solid var(--border-color);
    border-radius: 0.5rem;
    background-color: var(--background);
    color: var(--text-primary);
    font-size: 1rem;
    resize: vertical;
    transition: all 0.2s ease;
    line-height: 1.5;
}

.text-editor textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.15);
}

/* 发送文本按钮样式 */
#sendExtractedText {
    width: 100%;
    justify-content: center;
    padding: 0.875rem;
    margin-top: 0.5rem;
}

.image-preview {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    background-color: var(--surface-alt);
    margin: 0;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px dashed var(--border-color);
}

.image-container {
    display: inline-block;
    position: relative;
    margin: 0 auto;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    max-width: 90%;
}

.image-container:hover {
    transform: scale(1.01);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
}

#screenshotImg {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .app-header {
        padding: 0.6rem;
    }
    
    .app-header h1 {
        font-size: 1.1rem;
    }
    
    #connectionStatus {
        font-size: 0.7rem;
        padding: 0.15rem 0.4rem;
    }
    
    .header-buttons .btn-icon {
        width: 32px;
        height: 32px;
    }
    
    .toolbar-buttons {
        flex-direction: row;
        gap: 0.5rem;
    }
    
    .button-group {
        flex-wrap: wrap;
    }
    
    .btn-primary, .btn-secondary {
        padding: 0.5rem 0.7rem;
        font-size: 0.85rem;
    }
    
    .app-main {
        padding: 1rem 0.75rem;
    }
    
    .settings-panel {
        width: 100%;
    }
    
    .claude-panel {
        border-radius: 0.75rem;
        min-height: 200px;
    }
    
    .response-content {
        padding: 1rem;
        font-size: 0.95rem;
    }
    
    .thinking-content {
        font-size: 0.85rem;
    }
    
    .thinking-content.expanded {
        padding: 0.75rem 1rem;
    }
    
    .fab {
        right: 1rem;
        bottom: 1rem;
    }
    
    .text-editor {
        padding: 1.25rem;
        margin-top: 1.25rem;
    }
    
    .text-editor textarea {
        min-height: 120px;
        font-size: 0.95rem;
    }
    
    #sendExtractedText {
        padding: 0.75rem;
    }
}

@media (max-width: 480px) {
    .app-header h1 {
        font-size: 1rem;
    }
    
    #connectionStatus {
        max-width: 70px;
        text-overflow: ellipsis;
        overflow: hidden;
    }
    
    .header-buttons .btn-icon {
        width: 28px;
        height: 28px;
        font-size: 0.85rem;
    }
    
    .toolbar-buttons {
        justify-content: center;
    }
    
    .toast-container {
        top: 3.5rem;
        right: 0.5rem;
    }
    
    .empty-state i {
        font-size: 3rem;
    }
    
    .empty-state h3 {
        font-size: 1.2rem;
    }
    
    .empty-state p {
        font-size: 0.9rem;
    }
    
    .text-editor {
        padding: 1rem;
        border-radius: 0.5rem;
        margin-top: 1rem;
        gap: 1rem;
    }
    
    .text-editor textarea {
        min-height: 100px;
        padding: 0.75rem;
        font-size: 0.9rem;
    }
    
    .confidence-indicator {
        padding: 0.375rem 0.625rem;
        font-size: 0.8rem;
    }
    
    #sendExtractedText {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
}

/* Claude Panel */
.claude-panel {
    background-color: var(--surface);
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: 300px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    overflow: visible;
    width: 100%;
}

.claude-panel:not(.hidden) {
    animation: panel-slide-in 0.4s cubic-bezier(0.19, 1, 0.22, 1) forwards;
}

@keyframes panel-slide-in {
    0% { 
        opacity: 0;
        transform: translateY(20px);
    }
    100% { 
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--surface);
    position: sticky;
    top: 0;
    z-index: 5;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.analysis-status {
    display: flex;
    align-items: center;
}

.status-light {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--text-secondary);
    transition: background-color 0.3s ease;
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.05);
}

.status-light.processing {
    background-color: #ffd700;
    animation: pulse 1.5s infinite;
    box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
}

.status-light.completed {
    background-color: var(--success);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.status-light.error {
    background-color: var(--danger);
    box-shadow: 0 0 0 2px rgba(244, 67, 54, 0.2);
}

@keyframes pulse {
    0% {
        opacity: 1;
        box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
    }
    50% {
        opacity: 0.6;
        box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.4);
    }
    100% {
        opacity: 1;
        box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
    }
}

.response-content {
    padding: 1.5rem;
    background-color: #fff;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    line-height: 1.6;
    white-space: pre-wrap;
    overflow-wrap: break-word;
    margin-top: 1rem;
    font-size: 1rem;
    height: auto;
    width: 100%;
}

[data-theme="dark"] .response-content {
    background-color: rgba(var(--surface-rgb), 0.7);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* Settings Panel */
.settings-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 400px;
    max-width: 100vw;
    background-color: var(--surface);
    box-shadow: -8px 0 20px var(--shadow-color);
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.19, 1, 0.22, 1);
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border-color);
}

.settings-panel:not(.hidden) {
    transform: translateX(0);
}

.settings-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.settings-section {
    margin-bottom: 2.5rem;
    background-color: var(--surface-alt);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.settings-section:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.settings-section h3 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.15rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.settings-section h3::before {
    content: "";
    display: inline-block;
    width: 4px;
    height: 18px;
    background-color: var(--primary);
    border-radius: 2px;
}

/* Form Elements */
.setting-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.setting-group:last-child {
    margin-bottom: 0;
}

.setting-group label {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.setting-group:hover label {
    color: var(--primary);
}

input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1.5px solid var(--border-color);
    border-radius: 0.5rem;
    background-color: var(--background);
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: all 0.2s ease-in-out;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.15);
    transform: translateY(-1px);
}

.input-styled {
    width: 100%;
    padding: 8px 10px;
    background-color: var(--input-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--input-text-color);
    font-size: 1rem;
    transition: border-color 0.2s;
}

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

[data-theme="dark"] .input-styled {
    background-color: var(--input-bg-color-dark);
    color: var(--input-text-color-dark);
    border-color: var(--border-color-dark);
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group input {
    padding-right: 2.75rem;
}

.input-group .btn-icon {
    position: absolute;
    right: 0.75rem;
    background-color: transparent;
    transition: all 0.2s ease;
}

.input-group .btn-icon:hover {
    color: var(--primary);
    transform: scale(1.1);
}

.range-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

input[type="range"] {
    flex: 1;
    height: 6px;
    -webkit-appearance: none;
    background: linear-gradient(to right, var(--primary) 0%, var(--primary) 50%, var(--border-color) 50%, var(--border-color) 100%);
    border-radius: 3px;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 4px rgba(74, 108, 247, 0.2);
}

#temperatureValue {
    min-width: 30px;
    text-align: center;
    font-weight: 600;
    color: var(--primary);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    transition: all 0.2s ease;
    background-color: var(--background);
}

.checkbox-label input[type="checkbox"]:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkbox-label input[type="checkbox"]:checked::after {
    content: "✓";
    position: absolute;
    color: white;
    font-size: 14px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.checkbox-label input[type="checkbox"]:focus {
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.15);
}

.proxy-settings {
    padding-top: 1rem;
    margin-top: 0.5rem;
    border-top: 1px dashed var(--border-color);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#proxyEnabled:not(:checked) ~ #proxySettings {
    opacity: 0.5;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-icon {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.btn-primary::after,
.btn-secondary::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(100%);
    transition: transform 0.2s ease;
}

.btn-primary:hover::after,
.btn-secondary:hover::after {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background-color: var(--surface-alt);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--hover-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.btn-icon {
    padding: 0.5rem;
    border-radius: 0.5rem;
    background: transparent;
    color: var(--text-secondary);
    box-shadow: none;
}

.btn-icon:hover {
    background-color: var(--hover-color);
    color: var(--primary);
    transform: translateY(-2px);
}

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

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Floating Action Button */
.fab {
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 8px var(--shadow-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: transform 0.2s, background-color 0.2s;
    z-index: 900;
}

.fab:hover {
    transform: scale(1.05);
    background-color: var(--primary-dark);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 4rem;
    right: 1rem;
    left: auto;
    transform: none;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.toast {
    background-color: var(--surface);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    box-shadow: 0 4px 6px var(--shadow-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    pointer-events: auto;
    animation: toast-in 0.3s ease;
    max-width: 250px;
    opacity: 0.9;
    font-size: 0.9rem;
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--error-color);
}

/* Crop Container */
.crop-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.crop-wrapper {
    flex: 1;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.crop-area {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.crop-area img {
    max-width: 100%;
    max-height: 100%;
}

.crop-actions {
    padding: 1rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    background-color: var(--surface);
}

/* Animations */
@keyframes toast-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 0.9;
    }
}

/* Thinking Section */
.thinking-section {
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.thinking-header {
    padding: 1rem 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
    background-color: rgba(var(--primary-rgb), 0.1);
    border: 2px solid transparent;
    border-radius: 6px;
    position: relative;
}

.thinking-header::after {
    position: absolute;
    right: 60px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.thinking-header:hover {
    background-color: rgba(var(--primary-rgb), 0.15);
    border: 2px dashed rgba(var(--primary-rgb), 0.3);
}

.thinking-header:hover::after {
    opacity: 0.7;
}

.thinking-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.thinking-title i {
    color: var(--primary);
    font-size: 1.125rem;
}

.thinking-title h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.toggle-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    padding: 5px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

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

.thinking-content {
    padding: 0;
    background-color: rgba(var(--primary-rgb), 0.05);
    border-left: 3px solid rgba(var(--primary-rgb), 0.3);
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    font-family: monospace;
    white-space: pre-wrap;
    font-size: 0.9rem;
    line-height: 1.5;
}

.thinking-content.collapsed {
    max-height: 0;
    padding: 0 1.5rem;
    overflow: hidden;
}

.thinking-content.expanded {
    max-height: none;
    padding: 1rem 1.5rem;
    overflow-y: visible;
}

/* Animation for thinking content */
@keyframes thinking-typing {
    from { opacity: 0.4; }
    to { opacity: 1; }
}

.thinking-typing {
    animation: thinking-typing 0.5s infinite alternate;
}

/* 初始化错误样式 */
.init-error {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--surface);
    border: 2px solid var(--danger);
    border-radius: 8px;
    padding: 1.5rem;
    max-width: 80%;
    max-height: 80%;
    overflow: auto;
    z-index: 9999;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.init-error h2 {
    color: var(--danger);
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.init-error p {
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.5;
}

.init-error pre {
    background-color: rgba(0, 0, 0, 0.05);
    padding: 1rem;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9rem;
    overflow: auto;
    white-space: pre-wrap;
    max-height: 300px;
}

[data-theme="dark"] .init-error pre {
    background-color: rgba(var(--surface-rgb), 0.5);
}

/* 删除历史缩略图相关样式 */

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Select Styling */
.select-styled {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23007CB2%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 0.7rem top 50%;
    background-size: 0.65rem auto;
    padding-right: 2rem !important;
    cursor: pointer;
}

.select-styled:focus {
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%234A6CF7%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
}

[data-theme="dark"] .select-styled {
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23A0A0A0%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
}

[data-theme="dark"] .select-styled:focus {
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%234A6CF7%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
}

/* 空状态提示样式 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text-secondary);
    height: 100%;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    color: var(--border-color);
    opacity: 0.7;
}

.empty-state h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.empty-state p {
    font-size: 1rem;
    max-width: 400px;
    margin: 0 auto 1.5rem;
    line-height: 1.6;
}

.loading-message {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
}

.thinking-hint {
    font-size: 0.8rem;
    font-weight: normal;
    color: var(--text-secondary);
    margin-left: 0.5rem;
}

/* 响应标题样式 */
.response-header,
.response-title,
.response-title i,
.response-title h3 {
    display: none;
}

/* 大屏幕设备的布局 */
@media (min-width: 769px) {
    .text-editor {
        max-width: 900px;
        margin: 1.5rem auto;
    }
    
    #sendExtractedText {
        width: auto;
        min-width: 200px;
        align-self: flex-end;
    }
}

/* 模型版本信息样式 */
.model-version-info {
    margin-top: 5px;
    font-size: 0.85em;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.model-version-info i {
    margin-right: 5px;
    color: var(--accent);
}

/* 在模型选择后添加版本信息 */
#modelSelect + .model-version-info {
    margin-top: 5px;
}

/* API密钥高亮显示样式 */
.api-key-group {
    transition: all 0.3s ease;
}

/* 可折叠内容样式 */
.collapsible-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding-bottom: 1rem;
}

.collapsible-header h3 {
    margin-bottom: 0 !important;
}

.collapsible-content {
    overflow: hidden;
    transition: max-height 0.3s ease, padding-top 0.3s ease;
}

.collapsible-content.collapsed {
    max-height: 0;
    padding-top: 0;
}

.collapsible-content:not(.collapsed) {
    max-height: 2000px;
    padding-top: 1rem;
    border-top: 1px dashed var(--border-color);
}

/* 推理深度设置相关样式 */
.reasoning-setting-group {
    padding: 10px;
    border-radius: 4px;
    background-color: var(--highlight-bg-color);
}

.think-budget-group {
    margin-top: 0;
    padding: 10px;
    border-radius: 4px;
    background-color: var(--highlight-bg-color);
}

/* 推理设置在暗模式下的样式 */
[data-theme="dark"] .reasoning-setting-group, 
[data-theme="dark"] .think-budget-group {
    background-color: var(--highlight-bg-color-dark);
}

/* Footer Styles */
.app-footer {
    background-color: var(--surface);
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--primary);
}

.footer-link i {
    font-size: 1rem;
}

.star-icon {
    font-size: 1rem;
}

.user-counter {
    display: flex;
    align-items: center;
}

.user-counter img {
    height: 20px;
    width: auto;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer-links {
        gap: 1rem;
    }

    .footer-link {
        font-size: 0.8rem;
    }
}