/* ===========================
   标题栏专用样式 header.css
   仅与 <header id="header"> 及其内部元素相关
   =========================== */

/* ---------- 根变量（与 app.css 保持一致，避免依赖） ---------- */
:root {
    --primary-color: #4a00e0;
    --secondary-color: #8e2de2;
    --accent-color: #00c6ff;
    --dark-bg: #0a0a0a;
    --darker-bg: #050505;
    --text-light: #ffffff;
    --text-gray: #b0b0b0;
    --card-bg: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.1);
    --gradient-primary: linear-gradient(135deg, #4a00e0 0%, #8e2de2 100%);
    --gradient-accent: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
}

/* ---------- 整个 header ---------- */
#header {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 0;
}

/* 导航栏内部容器 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    max-width: 1200px;
    margin: 0 auto;
}

/* Logo 区域 */
.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
}

.logo i {
    margin-right: 0.5rem;
    font-size: 1.8rem;
    color: var(--accent-color);
}

/* 桌面端导航链接 */
.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* 登录按钮 */
.login-btn {
    padding: 0.6rem 1.5rem;
    background: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    margin-left: 2rem;
}

.login-btn:hover {
    background: var(--accent-color);
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 198, 255, 0.3);
}

/* 用户头像容器 */
.user-avatar {
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
}

.user-avatar img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 3px solid var(--accent-color);
}

/* 用户浮窗 */
.user-popup {
    position: absolute;
    top: 55px;
    right: 0;
    width: 200px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    display: none;
    flex-direction: column;
    gap: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .5);
    z-index: 1000;
}

.user-popup.show {
    display: flex;
}

.pop-header {
    font-weight: 600;
    color: var(--text-light);
}

.pop-phone {
    font-size: .9rem;
    color: var(--text-gray);
}

.pop-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 8px;
}
.person-center,
.add-new,
.sf,
.pop-logout,
.remove-user {
    width: 100%;
    padding: 6px;
    border: none;
    border-radius: 4px;
    font-size: .9rem;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.person-center {
    margin-bottom: 5px;
    background: linear-gradient(90deg, #65f436, #7aff22);
    color: #fff;
}

.add-new {
    margin-bottom: 5px;
    background: linear-gradient(90deg, #4936f4, #6b5af6);
    color: #fff;
}

.sf {
    margin-bottom: 5px;
    background: linear-gradient(90deg, #ffdb29, #fde346);
    color: #fff;
}

.pop-logout {
    margin-bottom: 5px;
    background: linear-gradient(90deg, #f46f36, #f67e55);
    color: #fff;
}

.remove-user {
    background: linear-gradient(90deg, #F44336, #FF5722);
    color: #fff;
}

.pop-logout:hover,
.remove-user:hover {
    opacity: .9;
}

/* 内测按钮 */
.beta-btn {
    background: #ffe411;
    border: 2px solid transparent;
    border-radius: 15px;
    font-weight: 600;
    color: var(--accent-color);
    cursor: pointer;
    margin-left: 1rem;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
    line-height: 1.75;
    padding: 0 1.3rem;
}

.beta-btn::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    margin: -2px;
    border-radius: inherit;
    background: var(--gradient-accent);
    transition: all 0.3s ease;
}

.beta-btn:hover {
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 198, 255, 0.35);
}

/* ---------- 汉堡菜单（移动端） ---------- */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

/* ---------- 移动端适配 ---------- */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
        border-top: 1px solid var(--border-color);
        gap: 0;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links li {
        margin: 0;
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 15px 20px;
        font-size: 1.1rem;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-links a::after {
        display: none;
    }

    .nav-links a:hover {
        background: rgba(255, 255, 255, 0.05);
    }

    .login-btn {
        margin: 1rem auto;
        display: block;
        width: fit-content;
    }
}
@media (min-width: 769px) {
  .kf-chat {
    margin-left: 40px;
  }
}
footer {
    text-align: center;
    padding: 30px;
    color: var(--text-gray);
    font-size: 0.95rem;
    border-top: 1px solid var(--border-color);
    margin-top: 50px;
    animation: fadeIn 1s ease-out;
}

/* 通知提示样式 */
#notification-container {
    position: fixed;
    top: 90px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 90%;
    max-width: 500px;
}

.notification {
    padding: 18px 25px;
    border-radius: 12px;
    color: white;
    font-weight: 500;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: slideDown 0.4s ease-out forwards, fadeOut 0.4s ease-in forwards 3s;
    opacity: 0;
    transform: translateY(-20px);
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.notification.success {
    background: linear-gradient(90deg, #4CAF50, #8BC34A);
}

.notification.warning {
    background: linear-gradient(90deg, #FF9800, #FFC107);
}

.notification.error {
    background: linear-gradient(90deg, #F44336, #FF5722);
}

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

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