/* ============================================
   无限邮箱 - 深色赛博朋克主题样式
   ============================================ */

/* CSS 变量 */
:root {
    /* 主色调 - 霓虹青色/紫色 */
    --primary: #00f5d4;
    --primary-dim: #00c4aa;
    --primary-glow: rgba(0, 245, 212, 0.3);
    --secondary: #9b5de5;
    --secondary-dim: #7b3ec5;
    --accent: #f15bb5;
    --accent-dim: #d13b95;
    
    /* 背景色 */
    --bg-dark: #0a0e17;
    --bg-darker: #060912;
    --bg-card: #111827;
    --bg-card-hover: #1a2332;
    --bg-elevated: #1e293b;
    
    /* 文字色 */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* 边框 */
    --border: #1e293b;
    --border-glow: rgba(0, 245, 212, 0.2);
    
    /* 状态色 */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* 字体 */
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;
    --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    
    /* 动画 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 背景效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(155, 93, 229, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(0, 245, 212, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(241, 91, 181, 0.04) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* 网格线背景 */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 245, 212, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 245, 212, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* 主容器 */
.app-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   头部
   ============================================ */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px var(--primary-glow);
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { filter: drop-shadow(0 0 8px var(--primary-glow)); }
    50% { filter: drop-shadow(0 0 20px var(--primary)); }
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 2px;
}

.status-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.pulse {
    width: 10px;
    height: 10px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }
    50% { 
        transform: scale(1.1);
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
}

.status-text {
    font-size: 0.875rem;
    color: var(--success);
    font-weight: 500;
}

.email-count, .refresh-status {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.email-count span {
    color: var(--primary);
    font-weight: 600;
}

/* ============================================
   主内容区
   ============================================ */
.main-content {
    display: grid;
    grid-template-columns: 300px 1fr 280px;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    flex: 1;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
    height: calc(100vh - 70px);
    overflow: hidden;
    align-items: stretch;
}

/* ============================================
   面板通用样式
   ============================================ */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.panel:hover {
    border-color: var(--border-glow);
    box-shadow: 0 0 30px rgba(0, 245, 212, 0.05);
}

.panel-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.panel-title .icon {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

/* ============================================
   侧边栏
   ============================================ */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    overflow-y: auto;
    height: 100%;
}

.sidebar-left {
    height: 100%;
}

.sidebar-left .email-panel {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.sidebar-left .refresh-setting {
    margin-top: auto;
}

.sidebar-right {
    height: 100%;
}

.sidebar-right .history-panel {
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.sidebar-right .donate-panel {
    flex: 1;
}

/* 当前邮箱显示 */
.current-email {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.email-display {
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    word-break: break-all;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2px;
    transition: all var(--transition-normal);
}

.email-display:hover {
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.email-prefix {
    color: var(--primary);
    font-weight: 500;
}

.email-at {
    color: var(--text-muted);
}

.email-domain {
    color: var(--secondary);
    font-weight: 500;
}

.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: var(--spacing-sm) 0;
}

/* 域名选择器 */
.label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.domain-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
}

.domain-btn {
    padding: var(--spacing-sm) var(--spacing-xs);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-family: var(--font-mono);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.domain-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    color: var(--text-primary);
}

.domain-btn.active {
    background: linear-gradient(135deg, rgba(0, 245, 212, 0.15), rgba(155, 93, 229, 0.15));
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 10px var(--primary-glow);
}

/* 前缀输入 */
.prefix-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    outline: none;
    transition: all var(--transition-fast);
}

.input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

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

/* 自动刷新设置 */
.toggle-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.toggle {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 26px;
    transition: all var(--transition-normal);
}

.toggle-slider::before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.toggle input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--primary-dim), var(--secondary-dim));
    border-color: var(--primary);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(22px);
    background: white;
    box-shadow: 0 0 10px var(--primary);
}

.toggle-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* 历史邮箱 */
.history-panel {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.history-list {
    flex: 1;
    overflow-y: auto;
    max-height: 180px;
}

.history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.history-item:hover {
    background: var(--bg-card-hover);
    color: var(--primary);
}

/* ============================================
   按钮样式
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}

.btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
}

.btn .icon {
    width: 16px;
    height: 16px;
}

.btn-copy {
    background: linear-gradient(135deg, rgba(0, 245, 212, 0.1), rgba(155, 93, 229, 0.1));
    border-color: var(--primary);
    color: var(--primary);
    width: 100%;
}

.btn-copy:hover {
    background: linear-gradient(135deg, rgba(0, 245, 212, 0.2), rgba(155, 93, 229, 0.2));
    box-shadow: 0 0 20px var(--primary-glow);
}

.btn-generate {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    color: var(--bg-dark);
    font-weight: 600;
    width: 100%;
    padding: var(--spacing-md);
}

.btn-generate:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px var(--primary-glow);
}

.btn-secondary {
    width: 100%;
}

.btn-back {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: var(--spacing-sm);
}

.btn-back:hover {
    color: var(--primary);
    background: transparent;
    border: none;
}

.btn-view {
    padding: var(--spacing-xs) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.75rem;
}

.btn-view:first-child {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.btn-view:last-child {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    border-left: none;
}

.btn-view.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--bg-dark);
}

.btn-view:hover:not(.active) {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

/* ============================================
   中间内容区
   ============================================ */
.content-area {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

/* 邮件列表 */
.mail-list-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.mail-list {
    flex: 1;
    overflow-y: auto;
    margin: calc(var(--spacing-md) * -1);
    margin-top: 0;
    padding: var(--spacing-md);
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--primary);
    color: var(--bg-dark);
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 10px;
    margin-left: auto;
}

.mail-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.mail-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateX(4px);
}

.mail-item.unread {
    border-left: 3px solid var(--primary);
}

.mail-item.active {
    background: linear-gradient(135deg, rgba(0, 245, 212, 0.1), rgba(155, 93, 229, 0.1));
    border-color: var(--primary);
}

.mail-from {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

.mail-from .avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--bg-dark);
    flex-shrink: 0;
}

.mail-subject {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-left: 40px;
}

.mail-time {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    padding-left: 40px;
}

/* ============================================
   模态框
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(6, 9, 18, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 95%;
    max-width: 900px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 
        0 0 60px rgba(0, 245, 212, 0.1),
        0 25px 50px rgba(0, 0, 0, 0.5);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(0, 245, 212, 0.05), rgba(155, 93, 229, 0.05));
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    white-space: nowrap;
    gap: var(--spacing-sm);
}

.modal-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.modal-title .icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--primary);
}

.modal-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-close {
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-close:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error);
    color: var(--error);
    transform: rotate(90deg);
}

.btn-close .icon {
    width: 18px;
    height: 18px;
}

.modal-body {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    min-height: 0;
}

.view-toggle {
    display: flex;
}

.mail-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
}

.meta-row {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
}

.meta-label {
    color: var(--text-muted);
    min-width: 60px;
    flex-shrink: 0;
}

.meta-value {
    color: var(--text-primary);
    word-break: break-all;
}

.mail-body {
    flex: 1;
    overflow: auto;
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    min-height: 200px;
}

.text-content {
    padding: var(--spacing-lg);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.8;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--text-secondary);
    display: none;
}

.text-content.active {
    display: block;
}

.html-content {
    width: 100%;
    height: 100%;
    min-height: 250px;
    border: none;
    background: white;
    border-radius: var(--radius-md);
    display: none;
}

.html-content.active {
    display: block;
}

/* 空状态 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
    text-align: center;
    min-height: 150px;
}

.empty-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.empty-state span {
    font-size: 0.875rem;
}

.empty-state.small {
    padding: var(--spacing-md);
    min-height: auto;
}

.empty-state.small p {
    font-size: 0.85rem;
    margin-bottom: 0;
}


/* ============================================
   捐赠面板
   ============================================ */
.donate-panel {
    background: linear-gradient(135deg, rgba(241, 91, 181, 0.05), rgba(155, 93, 229, 0.05));
    border-color: rgba(241, 91, 181, 0.2);
}

.donate-panel:hover {
    border-color: rgba(241, 91, 181, 0.4);
}

.donate-panel .panel-title .icon {
    color: var(--accent);
}

.donate-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.btn-donate {
    width: 100%;
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    border: none;
    color: white;
    font-weight: 600;
    padding: var(--spacing-md);
}

.btn-donate:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(241, 91, 181, 0.3);
}

.donors-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.donors-title .icon {
    width: 16px;
    height: 16px;
    color: #fbbf24;
}

.donors-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.donor-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(245, 158, 11, 0.1));
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: 20px;
    font-size: 0.75rem;
    color: #fbbf24;
    transition: all var(--transition-fast);
}

.donor-tag:hover {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(245, 158, 11, 0.2));
    border-color: rgba(251, 191, 36, 0.5);
    transform: scale(1.05);
}

.donor-tag .donor-icon {
    width: 12px;
    height: 12px;
}

.donor-tag.vip {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(245, 158, 11, 0.1));
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.donor-tag.vip:hover {
    border-color: rgba(239, 68, 68, 0.5);
}

/* 捐赠模态框 */
.donate-modal {
    max-width: 480px;
    width: 90%;
    height: auto;
    max-height: 85vh;
    overflow-y: auto;
}

.donate-info {
    text-align: center;
}

.donate-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.donate-header-text {
    text-align: center;
}

.donate-header-text h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.donate-header-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.donate-icon-large {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(241, 91, 181, 0.2), rgba(155, 93, 229, 0.2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: heartbeat 1.5s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.donate-icon-large svg {
    width: 28px;
    height: 28px;
    color: var(--accent);
}

.donate-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.donate-middle {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.donate-steps,
.donate-requirements,
.donate-contact,
.donate-benefits {
    text-align: left;
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
}

.donate-steps h5,
.donate-requirements h5,
.donate-contact h5,
.donate-benefits h5 {
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.donate-steps ol {
    list-style: none;
    font-size: 0.85rem;
    color: var(--text-secondary);
    counter-reset: step-counter;
}

.donate-steps li {
    padding: 6px 0;
    padding-left: 32px;
    position: relative;
    border-left: 2px solid var(--border);
    margin-left: 10px;
}

.donate-steps li:last-child {
    border-left-color: transparent;
}

.donate-steps li::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    left: -12px;
    top: 5px;
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--bg-dark);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.donate-steps li strong {
    color: var(--text-primary);
}

.donate-requirements ul,
.donate-benefits ul {
    list-style: none;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.donate-requirements li,
.donate-benefits li {
    padding: 4px 0;
    padding-left: 20px;
    position: relative;
}

.donate-requirements li::before,
.donate-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-size: 0.8rem;
}

.contact-tip {
    margin-top: var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-darker);
    border-radius: var(--radius-sm);
}

.contact-item .icon {
    width: 18px;
    height: 18px;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-item span {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-primary);
    word-break: break-all;
}

.btn-sm {
    padding: 4px 12px;
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* ============================================
   管理后台
   ============================================ */
.admin-modal {
    max-width: 700px;
    width: 95%;
    max-height: 85vh;
}

.admin-modal .modal-header {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(239, 68, 68, 0.1));
}

.admin-modal .modal-title .icon {
    color: var(--warning);
}

.admin-body {
    padding: 0 !important;
}

.admin-key-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-darker);
    border-bottom: 1px solid var(--border);
}

.admin-key-section label {
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.admin-key-section .input {
    flex: 1;
    font-size: 0.85rem;
}

.admin-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
}

.admin-tab {
    flex: 1;
    padding: var(--spacing-md);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.admin-tab:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.admin-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.admin-content {
    padding: var(--spacing-lg);
    max-height: 60vh;
    overflow-y: auto;
}

.admin-section {
    margin-bottom: var(--spacing-lg);
}

.admin-section h5 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.admin-form {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: center;
}

.admin-form .input {
    flex: 1;
    min-width: 150px;
}

.admin-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
}

.admin-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--warning);
}

.admin-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.admin-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.admin-list-item:hover {
    border-color: var(--primary);
}

.admin-list-item .item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.admin-list-item .item-name {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.admin-list-item .item-detail {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.admin-list-item .item-badge {
    padding: 2px 8px;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(245, 158, 11, 0.2));
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: 10px;
    font-size: 0.7rem;
    color: #fbbf24;
    margin-left: var(--spacing-sm);
}

.btn-add {
    background: linear-gradient(135deg, var(--success), #059669);
    border: none;
    color: white;
    white-space: nowrap;
}

.btn-add:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-delete {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: 1px solid var(--error);
    color: var(--error);
    font-size: 0.75rem;
}

.btn-delete:hover {
    background: rgba(239, 68, 68, 0.1);
}

.admin-empty {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================
   Toast 通知
   ============================================ */
.toast-container {
    position: fixed;
    top: 80px;
    right: var(--spacing-lg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: toastIn 0.3s ease;
    min-width: 280px;
}

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

.toast.toast-out {
    animation: toastOut 0.3s ease forwards;
}

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

.toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.toast.success {
    border-color: var(--success);
}

.toast.success .toast-icon {
    color: var(--success);
}

.toast.error {
    border-color: var(--error);
}

.toast.error .toast-icon {
    color: var(--error);
}

.toast.info {
    border-color: var(--primary);
}

.toast.info .toast-icon {
    color: var(--primary);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.toast-message {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ============================================
   滚动条
   ============================================ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dim);
}

/* ============================================
   响应式布局
   ============================================ */
@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 280px 1fr 240px;
    }
}

@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr 1fr;
        height: auto;
        overflow: visible;
    }
    
    .sidebar-left {
        order: 1;
    }
    
    .content-area {
        order: 2;
        min-height: 400px;
    }
    
    .sidebar-right {
        order: 3;
        grid-column: span 2;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }
    
    .mail-list {
        max-height: 50vh;
    }
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .sidebar-right {
        grid-column: span 1;
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    html {
        font-size: 14px;
    }
    
    .header {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .status-bar {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
        font-size: 0.8rem;
    }
    
    .main-content {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    .sidebar {
        grid-template-columns: 1fr;
    }
    
    .panel {
        padding: var(--spacing-md);
    }
    
    .panel-title {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-md);
    }
    
    .domain-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .domain-btn {
        font-size: 0.65rem;
        padding: var(--spacing-xs);
    }
    
    .toast-container {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        top: 70px;
    }
    
    .toast {
        min-width: auto;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    /* 邮件列表移动端 */
    .mail-list {
        max-height: 40vh;
    }
    
    .mail-item {
        padding: var(--spacing-sm);
    }
    
    .mail-from .avatar {
        width: 28px;
        height: 28px;
        font-size: 0.7rem;
    }
    
    .mail-subject, .mail-time {
        padding-left: 36px;
    }
    
    /* 模态框移动端适配 */
    .modal {
        width: 95%;
        max-width: none;
        max-height: 85vh;
        margin: var(--spacing-sm);
    }
    
    .modal-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .modal-title {
        font-size: 0.9rem;
    }
    
    .modal-actions {
        gap: var(--spacing-sm);
    }
    
    .view-toggle .btn-view {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.7rem;
    }
    
    .btn-close {
        width: 32px;
        height: 32px;
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
    
    .mail-meta {
        padding: var(--spacing-sm);
    }
    
    .meta-row {
        font-size: 0.8rem;
        flex-wrap: wrap;
    }
    
    .mail-body {
        min-height: 150px;
    }
    
    .html-content {
        min-height: 200px;
    }
    
    /* 捐赠模态框移动端 */
    .donate-modal {
        max-width: none;
    }
    
    .donate-modal .modal-body {
        padding: var(--spacing-sm);
    }
    
    .donate-icon-large {
        width: 48px;
        height: 48px;
    }
    
    .donate-icon-large svg {
        width: 24px;
        height: 24px;
    }
    
    .donate-middle {
        flex-direction: column;
    }
}

/* 超小屏幕 */
@media (max-width: 360px) {
    html {
        font-size: 13px;
    }
    
    .domain-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .email-display {
        font-size: 0.8rem;
    }
}

/* ============================================
   加载动画
   ============================================ */
.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 0.8s linear infinite;
}

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

/* 邮件新到达动画 */
.mail-item.new {
    animation: newMail 0.5s ease;
}

@keyframes newMail {
    0% {
        opacity: 0;
        transform: scale(0.9);
        box-shadow: 0 0 0 0 var(--primary);
    }
    50% {
        box-shadow: 0 0 20px var(--primary-glow);
    }
    100% {
        opacity: 1;
        transform: scale(1);
        box-shadow: none;
    }
}

/* ============================================
   域名操作按钮
   ============================================ */
.domain-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.domain-actions .btn {
    flex: 1;
    font-size: 0.75rem;
    padding: 6px 10px;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(0, 245, 212, 0.05);
}

/* ============================================
   添加域名模态框
   ============================================ */
.add-domain-modal {
    max-width: 500px;
    width: 95%;
}

.add-domain-info {
    margin-bottom: var(--spacing-lg);
}

.info-text {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(0, 245, 212, 0.1);
    border: 1px solid rgba(0, 245, 212, 0.2);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

.info-text .icon {
    width: 18px;
    height: 18px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.info-text.info-tip {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    margin-top: var(--spacing-sm);
}

.info-text.info-tip .icon {
    color: var(--warning);
}

.info-text.info-warning {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    margin-top: var(--spacing-sm);
}

.info-text.info-warning .icon {
    color: var(--error);
}

.info-text code {
    background: var(--bg-darker);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.8em;
    color: var(--accent);
}

.add-domain-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group .label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.form-group .input {
    padding: 12px;
    font-size: 0.95rem;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.add-domain-status {
    min-height: 24px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.add-domain-status.checking {
    color: var(--warning);
}

.add-domain-status.success {
    color: var(--success);
}

.add-domain-status.error {
    color: var(--error);
}

.btn-full {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dim));
    color: var(--bg-dark);
    font-weight: 600;
}

.btn-primary:hover {
    box-shadow: 0 0 20px var(--primary-glow);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 当前域名列表 */
.current-domains-section {
    margin-top: var(--spacing-md);
}

.current-domains-section h5 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.current-domains-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    max-height: 150px;
    overflow-y: auto;
}

.domain-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-darker);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.domain-item-name {
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.domain-item .btn-delete-sm {
    padding: 4px 8px;
    font-size: 0.75rem;
    background: transparent;
    border: 1px solid var(--error);
    color: var(--error);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.domain-item .btn-delete-sm:hover {
    background: var(--error);
    color: white;
}

/* ============================================
   Worker 代码模态框
   ============================================ */
.worker-code-modal {
    max-width: 900px;
    width: 95%;
    max-height: 90vh;
}

.worker-code-info {
    margin-bottom: var(--spacing-lg);
}

.worker-code-info h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.deploy-steps {
    list-style: decimal;
    padding-left: var(--spacing-lg);
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.deploy-steps a {
    color: var(--primary);
    text-decoration: none;
}

.deploy-steps a:hover {
    text-decoration: underline;
}

.deploy-steps code {
    background: var(--bg-darker);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85em;
    color: var(--accent);
}

.deploy-tip {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.deploy-tip.deploy-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
}

.deploy-tip.deploy-warning {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}

.deploy-tip code {
    background: var(--bg-darker);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85em;
    color: var(--accent);
}

.code-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.code-container {
    background: #282c34;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    max-height: 400px;
    overflow: auto;
}

.code-block {
    margin: 0;
    padding: 0;
    background: transparent !important;
}

.code-block code {
    display: block;
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.6;
    white-space: pre;
    overflow-x: auto;
    background: transparent !important;
}

/* 覆盖 highlight.js 默认背景 */
.hljs {
    background: transparent !important;
}

@media (max-width: 768px) {
    .worker-code-modal {
        max-height: 95vh;
    }
    
    .code-container {
        max-height: 300px;
    }
    
    .code-actions {
        flex-direction: column;
    }
    
    .domain-actions {
        flex-direction: column;
    }
}