/* 動畫關鍵幀 */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* 為每個項目添加延遲動畫 */
.changelog-item:nth-child(1) { animation-delay: 0.1s; }
.changelog-item:nth-child(2) { animation-delay: 0.2s; }
.changelog-item:nth-child(3) { animation-delay: 0.3s; }

.changelog-item:nth-child(1) li:nth-child(1) { animation-delay: 0.2s; }
.changelog-item:nth-child(1) li:nth-child(2) { animation-delay: 0.3s; }
.changelog-item:nth-child(1) li:nth-child(3) { animation-delay: 0.4s; }

/* 背景遮罩 */
.changelog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.changelog-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* 響應式調整 */
@media (max-width: 480px) {
    .changelog-sidebar {
        width: 100%;
    }

    .changelog-header {
        padding: 1rem;
    }

    .changelog-content {
        padding: 1rem;
    }
}

/* 更新顏色系統 */
:root {
    /* 主色系 - 深邃藍色系 */
    --primary-dark: #1E3D59;    /* 深邃藍 */
    --primary-main: #2C5282;    /* 主要藍 */
    --primary-light: #4A90E2;   /* 亮藍色 */
    
    /* 背景色系 - 淺藍色系 */
    --bg-light: #EBF8FF;        /* 最淺藍色 */
    --bg-main: #E1F0FF;         /* 主要背景藍 */
    --bg-dark: #D6E8FF;         /* 稍深背景藍 */
    
    /* 中性色系 */
    --neutral-100: #F7FAFC;
    --neutral-200: #EDF2F7;
    --neutral-300: #E2E8F0;

    /* 開發人員主題 - 綠色系 */
    --developer-primary: #2E7D32;    /* 深綠 */
    --developer-light: #4CAF50;      /* 主綠 */
    --developer-lighter: #81C784;    /* 淺綠 */
    --developer-bg: #E8F5E9;         /* 背景綠 */
    
    /* 訪客主題 - 深藍色系 (更新後的顏色) */
    --visitor-primary: #1a365d;      /* 更深的主藍色 */
    --visitor-light: #2b4c7e;        /* 更深的輔助藍 */
    --visitor-lighter: #3d6099;      /* 更深的亮藍 */
    --visitor-bg: #e2eeff;           /* 稍微深一點的背景藍 */
}

/* 更新加載動畫顏色 */
.rocket {
    color: var(--primary-blue);  /* 原本是 #4CAF50 */
}

.stars i {
    color: var(--primary-blue);  /* 原本是 #ffd700 */
    opacity: 0.8;
}

/* 更新標題卡片顏色 */
.fancy-title {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));  /* 原本是綠色漸變 */
}

.fancy-title:hover {
    background: linear-gradient(135deg, var(--dark-blue), var(--primary-blue));
}

/* 更新更新日誌顏色 */
.version {
    color: var(--primary-blue);  /* 原本是 #4CAF50 */
}

.changelog-item li i {
    color: var(--primary-blue);  /* 原本是 #4CAF50 */
}

/* 更新選擇器標記顏色 */
.type-option .check-mark {
    background: var(--primary-blue);  /* 原本是 #4CAF50 */
}

/* 更新 Logo 邊框顏色 */
.login-logo {
    border-color: var(--primary-blue);  /* 確保與主題色一致 */
}

/* 更新頂部導航欄顏色 */
.top-bar {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
}

.logout-btn:hover {
    color: var(--primary-blue);
}

/* 登入成功頁面樣式 */
.success-container {
    padding-top: 80px;
    min-height: 100vh;
    background: linear-gradient(135deg,
        var(--bg-light),
        var(--bg-main)
    );
}

.success-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* 歡迎區域樣式 */
.welcome-section {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInUp 0.5s ease-out;
}

.welcome-section i {
    font-size: 4rem;
    color: var(--primary-main);
    margin-bottom: 1rem;
}

.welcome-section h2 {
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.welcome-text {
    font-size: 1.2rem;
    color: #666;
}

/* 功能卡片樣式 */
.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 1rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.5s ease-out;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-main);
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary-dark);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: #666;
    font-size: 1rem;
}

/* 動畫延遲 */
.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }

/* 開發人員主題樣式 */
.developer-theme {
    background: linear-gradient(135deg, var(--developer-bg), #ffffff) !important;
}

.developer-theme .welcome-section i,
.developer-theme .feature-card i {
    color: var(--developer-primary) !important;
}

.developer-theme .welcome-section h2,
.developer-theme .feature-card h3 {
    color: var(--developer-primary) !important;
}

.developer-theme .feature-card:hover {
    border-color: var(--developer-light);
    box-shadow: 0 8px 25px rgba(46, 125, 50, 0.15);
}

/* 訪客主題樣式 */
.visitor-theme {
    background: linear-gradient(135deg, var(--visitor-bg), #ffffff) !important;
}

.visitor-theme .welcome-section i,
.visitor-theme .feature-card i {
    color: var(--visitor-primary) !important;
}

.visitor-theme .welcome-section h2,
.visitor-theme .feature-card h3 {
    color: var(--visitor-primary) !important;
}

.visitor-theme .feature-card:hover {
    border-color: var(--visitor-light);
    box-shadow: 0 8px 25px rgba(30, 61, 89, 0.15);
}

/* 功能卡片樣式更新 */
.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.5s ease-out;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
}

/* 開發人員卡片特效 */
.developer-theme .feature-card:hover {
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, var(--developer-primary), var(--developer-light)) border-box;
}

/* 訪客卡片特效 */
.visitor-theme .feature-card:hover {
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, var(--visitor-primary), var(--visitor-light)) border-box;
}

/* 帳戶選項樣式更新 */
.account-option.developer-option {
    border: 2px solid var(--neutral-300);
}

.account-option.developer-option:hover {
    border-color: var(--developer-light);
}

.account-option.developer-option.selected {
    border-color: var(--developer-primary);
    background: linear-gradient(
        135deg,
        rgba(46, 125, 50, 0.08),
        rgba(76, 175, 80, 0.08)
    );
}

.account-option.developer-option .option-content i {
    color: var(--developer-primary);
}

.account-option.developer-option.selected .check-icon {
    background: var(--developer-primary);
}

.account-option.visitor-option {
    border: 2px solid var(--neutral-300);
}

.account-option.visitor-option:hover {
    border-color: var(--visitor-light);
}

.account-option.visitor-option.selected {
    border-color: var(--visitor-primary);
    background: linear-gradient(
        135deg,
        rgba(30, 61, 89, 0.08),
        rgba(74, 144, 226, 0.08)
    );
}

.account-option.visitor-option .option-content i {
    color: var(--visitor-primary);
}

.account-option.visitor-option.selected .check-icon {
    background: var(--visitor-primary);
}

/* 登入按鈕樣式更新 */
.login-btn.developer-login {
    background: linear-gradient(135deg,
        var(--developer-primary) 0%,
        var(--developer-light) 100%
    );
}

.login-btn.developer-login:hover {
    background: linear-gradient(135deg,
        var(--developer-light) 0%,
        var(--developer-lighter) 100%
    );
}

.login-btn.visitor-login {
    background: linear-gradient(135deg,
        var(--visitor-primary) 0%,
        var(--visitor-light) 100%
    );
}

.login-btn.visitor-login:hover {
    background: linear-gradient(135deg,
        var(--visitor-light) 0%,
        var(--visitor-lighter) 100%
    );
}

/* 密碼輸入框樣式更新 */
.input-group.developer-input input:focus {
    border-color: var(--developer-primary);
    box-shadow: 0 0 0 4px rgba(46, 125, 50, 0.1);
}

.input-group.visitor-input input:focus {
    border-color: var(--visitor-primary);
    box-shadow: 0 0 0 4px rgba(30, 61, 89, 0.1);
}

.input-group.developer-input i {
    color: var(--developer-primary);
}

.input-group.visitor-input i {
    color: var(--visitor-primary);
}

/* 登入框主題樣式 */
.login-box.developer-theme {
    border: 1px solid rgba(76, 175, 80, 0.2);
    box-shadow: 
        0 8px 32px rgba(46, 125, 50, 0.08),
        0 2px 8px rgba(46, 125, 50, 0.05);
}

.login-box.visitor-theme {
    border: 1px solid rgba(74, 144, 226, 0.2);
    box-shadow: 
        0 8px 32px rgba(30, 61, 89, 0.08),
        0 2px 8px rgba(30, 61, 89, 0.05);
}

/* 登入分隔線主題樣式 */
.developer-theme .login-divider {
    background: linear-gradient(
        to bottom,
        transparent,
        var(--developer-light),
        transparent
    );
}

.visitor-theme .login-divider {
    background: linear-gradient(
        to bottom,
        transparent,
        var(--visitor-light),
        transparent
    );
}

/* 更新日誌按鈕主題樣式 */
.developer-theme .changelog-btn {
    background: rgba(76, 175, 80, 0.08);
}

.developer-theme .changelog-btn:hover {
    background: var(--developer-primary);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.2);
}

.visitor-theme .changelog-btn {
    background: rgba(74, 144, 226, 0.08);
}

.visitor-theme .changelog-btn:hover {
    background: var(--visitor-primary);
    box-shadow: 0 4px 12px rgba(30, 61, 89, 0.2);
}

/* 安全資訊主題樣式 */
.developer-theme .security-info {
    background: rgba(76, 175, 80, 0.08);
}

.developer-theme .security-info i {
    color: var(--developer-primary);
}

.visitor-theme .security-info {
    background: rgba(74, 144, 226, 0.08);
}

.visitor-theme .security-info i {
    color: var(--visitor-primary);
}

/* Logo 邊框主題樣式 */
.developer-theme .login-logo {
    background: linear-gradient(white, white) padding-box,
                linear-gradient(45deg, var(--developer-primary), var(--developer-light)) border-box;
}

.visitor-theme .login-logo {
    background: linear-gradient(white, white) padding-box,
                linear-gradient(45deg, var(--visitor-primary), var(--visitor-light)) border-box;
}

/* 標題文字主題樣式 */
.developer-theme .login-header h2 {
    color: var(--developer-primary);
}

.visitor-theme .login-header h2 {
    color: var(--visitor-primary);
}

/* 密碼輸入框容器相對定位 */
.input-group {
    position: relative;
}

/* 禁止輸入遮罩層 */
.input-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;  /* 允許點擊穿透 */
    z-index: 10;
}

/* 提示框容器 */
.overlay-hint {
    position: absolute;
    top: -60px;  /* 調整位置 */
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    min-width: 200px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    z-index: 20;
}

/* 提示內容 */
.hint-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
}

.hint-content i {
    font-size: 1.1rem;
}

.hint-content span {
    font-size: 0.95rem;
    font-weight: 500;
    white-space: nowrap;
}

/* 提示箭頭 */
.hint-arrow {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2rem;
    height: 10px;
    line-height: 0;
    color: white;
    text-shadow: 0 4px 4px rgba(0, 0, 0, 0.1);
}

/* 主題相關樣式 */
.developer-theme .overlay-hint {
    border: 1px solid rgba(46, 125, 50, 0.15);
}

.developer-theme .hint-content i,
.developer-theme .hint-content span {
    color: var(--developer-primary);
}

.visitor-theme .overlay-hint {
    border: 1px solid rgba(30, 61, 89, 0.15);
}

.visitor-theme .hint-content i,
.visitor-theme .hint-content span {
    color: var(--visitor-primary);
}

/* 動畫效果 */
.overlay-hint {
    animation: floatHint 2s ease-in-out infinite;
}

@keyframes floatHint {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-3px);  /* 減少浮動距離 */
    }
}

/* 登入品牌區域 */
.login-brand {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-top: 1rem;  /* 添加頂部間距 */
}

.brand-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.version-tag {
    background: var(--primary-light);
    color: white;
    padding: 0.2rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    align-self: flex-start;
}

/* 系統資訊區域 */
.system-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.info-item:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateX(5px);
}

.info-item i {
    font-size: 1.2rem;
    color: var(--primary-main);
    background: rgba(74, 144, 226, 0.1);
    padding: 0.8rem;
    border-radius: 12px;
}

.info-content {
    flex: 1;
}

.info-content h4 {
    margin: 0;
    font-size: 0.9rem;
    color: #666;
}

.info-content p {
    margin: 0.2rem 0 0;
    font-size: 1rem;
    color: #333;
    font-weight: 500;
}

/* 登入提示區域 */
.login-tips {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.tip-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.tip-header i {
    color: #FFB100;
    font-size: 1.2rem;
}

.tip-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: #333;
}

.tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tips-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.5rem 0;
    color: #555;
    font-size: 0.95rem;
}

.tips-list li i {
    color: #4CAF50;
    font-size: 0.9rem;
}

/* 支援資訊區域 */
.support-info {
    margin-top: 2rem;  /* 增加底部間距 */
    margin-bottom: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.support-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.5rem 0;
}

.support-item i {
    color: var(--primary-main);
    font-size: 1rem;
}

.support-item span {
    color: #666;
    font-size: 0.9rem;
}

/* 主題相關樣式 */
.developer-theme .version-tag {
    background: var(--developer-primary);
}

.visitor-theme .version-tag {
    background: var(--visitor-primary);
}

/* 響應式調整 */
@media (max-width: 992px) {
    .login-brand {
        justify-content: center;
    }

    .system-info,
    .login-tips,
    .support-info {
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* 開發者功能區域樣式 */
.developer-features {
    width: 100%;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
}

/* ===== 側邊導航欄樣式 ===== */
.side-nav {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: #1a2234;
    color: white;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    box-shadow: 4px 0 10px rgba(0, 0, 0, 0.1);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255,255,255,0.1);
    color: white;
    transform: translateX(5px);
}

.nav-link i {
    width: 20px;
    text-align: center;
}

.nav-footer {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.user-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.user-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.user-role {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
}

/* ===== 主要內容區域樣式 ===== */
.main-content {
    margin-left: 280px;
    padding: 2rem;
    background: #f4f6f8;
    min-height: 100vh;
}

/* ===== 頂部狀態欄樣式 ===== */
.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #666;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.search-bar {
    position: relative;
}