/* 终端风格 - 极简线条设计 */

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

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #ffffff;
    --border-color: #e1e4e8;
    --text-primary: #24292e;
    --text-secondary: #586069;
    --text-accent: #0366d6;
    --text-success: #28a745;
    --text-warning: #ffc107;
    --text-error: #dc3545;
    --accent-color: #0366d6;
    --accent-hover: #0256c2;
    --grid-line: #e1e4e8;
}

body {
    font-family: 'JetBrains Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 终端容器 */
.terminal-container {
    flex: 1;
    max-width: 1400px;
    margin: 20px auto;
    width: 95%;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 0 1px var(--border-color);
}

/* 终端标题栏 */
.terminal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
    user-select: none;
    min-height: 44px;
}

.terminal-title {
    display: flex;
    align-items: center;
}

.terminal-text {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: 0.2px;
    font-size: 13px;
}

.terminal-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.terminal-controls {
    display: flex;
    gap: 10px;
}

.control-btn {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    text-align: center;
    transition: all 0.2s ease;
    border-radius: 4px;
    margin-left: 4px;
}

.control-btn:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.control-btn:active {
    transform: scale(0.95);
    background: var(--border-color);
}

/* 终端内容区 */
.terminal-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 终端输出 */
.terminal-output {
    font-size: 13px;
    padding-bottom: 8px;
}

.output-line {
    margin-bottom: 6px;
    display: flex;
    align-items: baseline;
    gap: 8px;
    line-height: 1.6;
}

.output-line:last-child {
    margin-bottom: 0;
}

.command-line {
    margin-bottom: 8px;
}

.prompt {
    color: var(--text-success);
    font-weight: bold;
    font-size: 14px;
}

.command {
    color: var(--text-primary);
    font-weight: 500;
}

.output-text {
    color: var(--text-secondary);
}

.version-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.output-label {
    color: var(--text-primary);
    font-weight: 500;
}

.version-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    color: var(--text-accent);
    font-size: 11px;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.5px;
}

.meta-info {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
}

.brand-link {
    color: var(--text-accent);
    text-decoration: none;
    transition: color 0.2s;
    cursor: pointer;
}

.brand-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.features-info {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
    padding-top: 4px;
}

.feature-tag {
    display: inline-block;
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    color: var(--text-secondary);
    font-size: 10px;
    font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
}

.separator-line {
    margin-top: 8px;
    margin-bottom: 0;
}

/* 主面板 */
.main-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.panel-section {
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.panel-section:nth-child(1) {
    grid-column: 1 / -1;
}

.panel-section:nth-child(4) {
    grid-column: 1 / -1;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.section-label {
    color: var(--text-accent);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 1px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 11px;
}

/* 输入区域 */
.input-area {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.code-input,
.code-output {
    width: 100%;
    min-height: 200px;
    padding: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    line-height: 1.6;
    resize: vertical;
    outline: none;
}

.code-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 1px var(--accent-color);
}

.code-output {
    background: var(--bg-primary);
    color: var(--text-secondary);
}

.input-stats {
    display: flex;
    gap: 16px;
    font-size: 11px;
    color: var(--text-secondary);
}

.stat-item {
    display: flex;
    gap: 4px;
}

.stat-item span {
    color: var(--text-accent);
    font-weight: 500;
}

/* 检测区域 */
.detect-area {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.detect-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.detect-item {
    border: 1px solid var(--border-color);
    padding: 12px;
    background: var(--bg-primary);
}

.detect-label {
    font-size: 10px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detect-value {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 600;
}

.detect-value.success {
    color: var(--text-success);
}

.detect-value.warning {
    color: var(--text-warning);
}

.detect-value.error {
    color: var(--text-error);
}

/* 修复选项 */
.repair-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.option-item {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 12px;
}

.option-item input[type="radio"],
.option-item input[type="checkbox"] {
    width: 14px;
    height: 14px;
    cursor: pointer;
    accent-color: var(--accent-color);
}

.option-label {
    color: var(--text-primary);
    user-select: none;
}

/* 按钮 */
.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #e9ecef !important;
    border: 1.5px solid #ced4da !important;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
}

.action-btn:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

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

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

.action-btn.small {
    padding: 6px 12px;
    font-size: 11px;
}

.btn-icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: middle;
}

.btn-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

.title-icon {
    width: 20px;
    height: 20px;
    display: inline-block;
    vertical-align: middle;
    margin-right: 8px;
    color: var(--text-accent);
}

.title-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* 屏幕阅读器专用样式 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* 加载状态 */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-icon.loading-icon {
    animation: spin 1s linear infinite;
}

/* 输出操作 */
.output-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.output-area {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* 页脚 */
.terminal-footer {
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    padding: 24px 20px;
    margin-top: 40px;
}

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

.footer-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 16px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-brand-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.footer-version {
    font-size: 11px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    padding: 2px 6px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 2px;
}

.footer-platform {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
}

.footer-platform-label {
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.footer-platform-link {
    color: var(--text-accent);
    text-decoration: none;
    font-family: var(--font-mono);
    transition: color 0.2s;
}

.footer-platform-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.footer-divider {
    height: 1px;
    background: var(--border-color);
    margin: 16px 0;
}

.footer-links-section {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-links-label {
    font-size: 11px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    min-width: fit-content;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-link {
    font-size: 11px;
    color: var(--text-accent);
    text-decoration: none;
    font-family: var(--font-mono);
    transition: all 0.2s;
    padding: 4px 0;
    position: relative;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-hover);
    transition: width 0.2s;
}

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

.footer-link:hover::after {
    width: 100%;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .terminal-container {
        margin: 10px;
        width: calc(100% - 20px);
    }

    .main-panel {
        grid-template-columns: 1fr;
    }

    .panel-section:nth-child(1),
    .panel-section:nth-child(4) {
        grid-column: 1;
    }

    .detect-grid {
        grid-template-columns: 1fr;
    }

    .option-group {
        flex-direction: column;
    }

    .terminal-body {
        padding: 12px;
    }

    .terminal-header {
        padding: 8px 12px;
        font-size: 11px;
    }

    .terminal-icon {
        font-size: 12px;
    }

    .terminal-controls {
        gap: 8px;
    }

    .control-btn {
        width: 12px;
        height: 12px;
        font-size: 10px;
    }

    .terminal-output {
        font-size: 12px;
    }

    .output-line {
        margin-bottom: 5px;
    }

    .version-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .meta-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .features-info {
        gap: 4px;
    }

    .feature-tag {
        font-size: 9px;
        padding: 1px 4px;
    }

    .terminal-footer {
        padding: 20px 16px;
    }

    .footer-main {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .footer-brand {
        width: 100%;
    }

    .footer-platform {
        width: 100%;
    }

    .footer-links-section {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .footer-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .footer-link {
        display: block;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border: 1px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* 帮助和文档区域 */
.help-container {
    max-width: 1400px;
    margin: 40px auto;
    width: 95%;
    padding: 0 20px;
}

.help-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.help-section {
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    padding: 30px;
    border-radius: 4px;
}

.help-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
    font-family: 'JetBrains Mono', monospace;
}

.help-text {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-primary);
}

.help-text h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 24px;
    margin-bottom: 12px;
    font-family: 'JetBrains Mono', monospace;
}

.help-text h3:first-child {
    margin-top: 0;
}

.help-text p {
    margin-bottom: 16px;
    color: var(--text-primary);
}

.help-text ul,
.help-text ol {
    margin: 16px 0;
    padding-left: 30px;
    color: var(--text-primary);
}

.help-text li {
    margin-bottom: 10px;
    line-height: 1.7;
}

.help-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.help-text code {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--text-accent);
}

.help-text a {
    color: var(--text-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.help-text a:hover {
    border-bottom-color: var(--text-accent);
}

.faq-item {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.faq-item h3 {
    color: var(--text-accent);
    font-size: 16px;
    margin-bottom: 12px;
}

.faq-item p {
    margin-bottom: 12px;
}

/* 响应式设计 - 帮助区域 */
@media (max-width: 768px) {
    .help-container {
        margin: 20px auto;
        padding: 0 10px;
    }

    .help-section {
        padding: 20px;
    }

    .help-title {
        font-size: 20px;
    }

    .help-text {
        font-size: 14px;
    }

    .help-text h3 {
        font-size: 16px;
    }
}

/* 打赏按钮样式覆盖 - 放在右上角 */
.donate-button {
    position: fixed !important;
    top: 20px !important;
    right: 20px !important;
    left: auto !important;
    z-index: 99999 !important;
    background: #0366d6 !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    font-family: 'JetBrains Mono', 'Consolas', 'Monaco', 'Courier New', monospace !important;
    font-size: 12px !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    border-radius: 4px !important;
    box-shadow: 0 2px 8px rgba(3, 102, 214, 0.3) !important;
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.donate-button:hover {
    background: #0256c2 !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 12px rgba(3, 102, 214, 0.4) !important;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .donate-button {
        top: 10px !important;
        right: 10px !important;
        padding: 10px 18px !important;
        font-size: 11px !important;
    }
}