/* ===== 首页专用样式 ===== */

/* 页面基础样式 */
.home-page {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f8fafc; /* 恢复原始背景色 */
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow: hidden; /* 防止滚动条 */
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* 飞鸟特效容器 */
.birds-container {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: url('/static/img/backimage.avif') no-repeat center center / cover;
}







/* 登录页面主体 */
.login-hero-section {
    height: calc(100vh - 2.5rem); /* 减去页脚高度 */
    background: transparent; /* 完全透明，不遮挡背景 */
    position: relative;
    overflow: hidden;
    padding: 1rem 0;
    display: flex;
    align-items: center;
}





/* 网站标题 */
.site-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    animation: slideInDown 1s ease-out;
}

.site-subtitle {
    font-size: 1.3rem;
    color: #6b7280;
    margin-bottom: 0;
    font-weight: 500;
    animation: slideInDown 1s ease-out 0.2s both;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 右侧登录卡片 */
.login-card {
    background: rgba(255, 255, 255, 0.1); /* 半透明白色背景 */
    backdrop-filter: blur(10px); /* 毛玻璃效果 */
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2); /* 半透明边框 */
    position: relative;
    z-index: 2;
    animation: slideInUp 1s ease-out 0.4s both;
    margin: auto;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff; /* 白色文字 */
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8); /* 文字阴影确保可读性 */
}

.login-subtitle {
    color: rgba(255, 255, 255, 0.8); /* 半透明白色 */
    margin: 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-weight: 600;
    color: #ffffff; /* 白色文字 */
    margin-bottom: 0.5rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}

.input-group-text {
    background: rgba(255, 255, 255, 0.08); /* 更透明的背景 */
    border: 1px solid rgba(255, 255, 255, 0.2); /* 更淡的边框 */
    color: rgba(255, 255, 255, 0.7); /* 稍微透明的图标 */
    backdrop-filter: blur(3px); /* 减少模糊效果 */
}

.form-control {
    background: rgba(255, 255, 255, 0.05); /* 更透明的背景 */
    border: 1px solid rgba(255, 255, 255, 0.2); /* 更淡的边框 */
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9); /* 稍微透明的白色文字 */
    transition: all 0.3s ease;
    backdrop-filter: blur(3px); /* 减少模糊效果 */
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.4); /* 更透明的占位符 */
}

.form-control:focus {
    border-color: rgba(102, 126, 234, 0.6); /* 更柔和的聚焦边框 */
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15); /* 更淡的阴影 */
    background: rgba(255, 255, 255, 0.1); /* 聚焦时稍微明显但不突兀 */
    color: rgba(255, 255, 255, 0.95); /* 聚焦时文字稍微明显一些 */
}

/* 表单提示文字样式 */
.form-text {
    color: rgba(255, 255, 255, 0.7) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}

.text-muted {
    color: rgba(255, 255, 255, 0.6) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}

.text-success {
    color: rgba(34, 197, 94, 0.9) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}

.text-danger {
    color: rgba(239, 68, 68, 0.9) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}

/* 密码提示文字样式 */
.password-hint {
    color: #ef4444 !important; /* 红色文字 */
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
    font-size: 0.85rem;
}

.login-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    padding: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.login-btn:disabled {
    opacity: 0.7;
    transform: none;
    cursor: not-allowed;
}

.login-btn:disabled:hover {
    transform: none;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

/* 注册按钮样式 */
.register-btn {
    background: linear-gradient(135deg, #10b981, #059669);
    border: none;
    padding: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.register-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

/* 表单切换样式 */
.form-switch-container {
    margin-top: 2rem;
}

.register-form {
    animation: fadeIn 0.3s ease-in-out;
}

.login-form {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-divider {
    text-align: center;
    margin: 2rem 0;
    position: relative;
}

/* 去掉横线效果 */
.login-divider::before {
    display: none; /* 隐藏横线 */
}

.login-divider span {
    background: rgba(255, 255, 255, 0.1); /* 半透明背景 */
    padding: 0 1rem;
    color: #ef4444; /* 红色文字 */
    font-size: 0.9rem;
    font-weight: 500; /* 稍微加粗 */
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6); /* 文字阴影 */
}

/* 浏览量统计 - 低调显示 */
.page-views-counter {
    position: fixed;
    bottom: 3.5rem; /* 调整位置，避免与页脚重叠 */
    right: 20px;
    background: transparent; /* 去掉背景色 */
    border: none; /* 去掉边框 */
    border-radius: 12px;
    padding: 0.5rem 0.75rem; /* 减小内边距 */
    z-index: 1000;
    font-size: 0.75rem; /* 更小的字体 */
    color: rgba(255, 255, 255, 0.6); /* 半透明白色，更不显眼 */
    transition: all 0.3s ease;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8); /* 文字阴影确保可读性 */
}

.page-views-counter:hover {
    color: rgba(255, 255, 255, 0.9); /* 悬停时稍微明显一些 */
    transform: translateY(-1px); /* 减小悬停效果 */
}

.page-views-counter i {
    margin-right: 0.4rem;
    color: rgba(255, 255, 255, 0.5); /* 图标也用半透明白色 */
    font-size: 0.7rem; /* 更小的图标 */
}

.page-views-number {
    font-weight: 500; /* 减轻字重 */
    color: rgba(255, 255, 255, 0.7); /* 半透明白色 */
}

/* 正版阅读提醒页脚 */
.copyright-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: transparent;
    border-top: none;
    padding: 0.5rem 1rem;
    text-align: center;
    z-index: 999;

    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copyright-footer p {
    margin: 0;
    font-size: 0.8rem;
    color: #ffffff; /* 改为白色文字 */
    line-height: 1.2;
    text-align: center;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8); /* 添加文字阴影确保可读性 */
}

.copyright-footer p::before {
    margin-right: 0.25rem;
}