/* 植物新品种权管理系统统一导航栏样式 - 修复布局问题 */
.navbar,
.custom-navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.15);
    border-bottom: 1px solid var(--accent-color);
    min-height: 70px !important;
    height: 70px !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 1000 !important;
    padding-right: 0 !important;
    /* Prevent bootstrap adding padding */
}

.navbar .container-fluid,
.navbar .container,
.nav-container {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    min-height: 70px !important;
    height: auto !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 0 20px !important;
    flex-wrap: wrap !important; /* Allowed wrapping for collapse to work */
}


.navbar-brand,
.nav-brand {
    color: white !important;
    font-weight: 700 !important;
    font-size: 1.3rem !important;
    /* 略微减小字号以适应两行 */
    text-decoration: none !important;
    display: flex !important;
    align-items: center !important;
    line-height: 1.1 !important;
    /* 紧凑行高 */
    white-space: normal !important;
    /* 允许换行 */
}

.navbar-nav,
.nav-menu {
    display: flex;
    flex-direction: row;
    align-items: center;
    flex-wrap: nowrap;
    gap: 20px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.navbar-collapse {
    /* Remove display: flex !important from here */
    flex-direction: row;
    align-items: center;
    flex-grow: 1;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500 !important;
    padding: 8px 16px !important;
    transition: background-color 0.3s ease, color 0.3s ease !important;
    border-radius: 6px !important;
    margin: 0 !important;
    height: auto !important;
    display: inline-block !important;
    align-items: center !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    box-sizing: border-box !important;
    background-color: transparent !important;
}

.nav-link:hover {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.1) !important;
    font-weight: 500 !important;
    text-decoration: none !important;
}

.nav-link.active {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.15) !important;
    font-weight: 500 !important;
}

.auth-section {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    height: auto !important;
}

.auth-btn,
.login-btn {
    padding: 8px 16px !important;
    border-radius: 6px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    display: flex !important;
    align-items: center !important;
    gap: 5px !important;
    height: auto !important;
    min-width: 80px !important;
    text-decoration: none !important;
    color: white !important;
    border: none !important;
}

.login-btn {
    background: var(--primary-color) !important;
    color: white !important;
}

.login-btn:hover {
    background: var(--secondary-color) !important;
    color: white !important;
}

.user-info {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    cursor: pointer !important;
    padding: 8px 12px !important;
    border-radius: 6px !important;
    transition: all 0.3s ease !important;
    height: auto !important;
    min-width: 80px !important;
    background: rgba(255, 255, 255, 0.1) !important;
    color: white !important;
    text-decoration: none !important;
}

.user-info:hover {
    background: rgba(255, 255, 255, 0.2) !important;
    color: white !important;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

/* 响应式导航栏修复 */
.navbar-toggler {
    display: none; /* Hidden by default on desktop */
    border: 1px solid rgba(255, 255, 255, 0.5) !important;
    padding: 4px 8px !important;
    background: transparent;
}


.navbar-nav .nav-item {
    display: flex;
    align-items: center;
}

.navbar-nav .nav-item .nav-link {
    display: flex;
    align-items: center;
    white-space: nowrap;
}

/* 确保导航栏在所有页面都正确显示 */
body {
    padding-top: 70px !important;
}

/* 响应式逻辑 */
@media (max-width: 991px) {
    .navbar,
    .custom-navbar {
        height: auto !important;
        min-height: 60px !important;
    }

    .navbar-toggler {
        display: block !important;
    }

    .navbar .container-fluid,
    .navbar .container,
    .nav-container {
        flex-wrap: wrap !important; /* Ensure wrapping on mobile */
        padding: 0 12px !important;
    }

    .navbar-brand {
        font-size: 1.05rem !important;
        max-width: calc(100% - 56px);
    }

    .navbar-toggler {
        margin-left: auto;
    }

    /* Make toggler icon visible on gradient background */
    .navbar-toggler-icon {
        filter: invert(1);
        opacity: 0.95;
    }

    .navbar-collapse {
        display: none !important; /* Force hide by default on mobile */
        flex-basis: 100%;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        padding: 12px 0;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        margin-top: 8px;
        max-height: calc(100vh - 60px);
        overflow-y: auto;
    }

    .navbar-collapse.show {
        display: flex !important; /* Visible when Bootstrap 'show' class is present */
    }

    .navbar-nav, .nav-menu {
        flex-direction: column !important;
        align-items: flex-start !important;
        width: 100% !important;
        gap: 10px !important;
        padding: 0 12px !important;
    }

    /* Make right-side blocks behave like menu items */
    .navbar-collapse > .d-flex {
        width: 100% !important;
        padding: 0 12px 12px !important;
        margin: 0 !important;
        justify-content: flex-start !important;
        order: 99;
    }

    .navbar-nav .nav-item {
        width: 100%;
    }

    .nav-link {
        width: 100% !important;
        padding: 12px 15px !important;
        display: flex !important;
        align-items: center !important;
        gap: 8px !important;
    }

    /* External link becomes full-width like others */
    .nav-link-external {
        width: 100% !important;
        margin-left: 0 !important;
        justify-content: space-between !important;
        border-radius: 10px !important;
        padding: 12px 15px !important;
    }

    .auth-section {
        width: 100% !important;
        padding-top: 15px !important;
        border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
        margin-top: 10px !important;
        justify-content: flex-start !important;
    }

    #loginButton.auth-btn,
    #loginButton.login-btn,
    .login-btn {
        width: 100% !important;
        justify-content: center !important;
    }
}

/* Mobile: always hide admin-only entry points (even if common.css not loaded) */
@media (max-width: 768px) {
    .admin-entry {
        display: none !important;
    }
}


/* External Link Style */
.nav-link-external {
    border: 1px solid rgba(255, 255, 255, 0.4) !important;
    border-radius: 20px !important;
    padding: 6px 16px !important;
    margin-left: 10px !important;
    background: rgba(255, 255, 255, 0.1) !important;
    display: flex !important;
    align-items: center !important;
    gap: 5px !important;
}

/* Strict centering for desktop/* Standard flex behavior */
.navbar-center {
    width: auto;
    justify-content: center;
}

.nav-link-external:hover {
    background: rgba(255, 255, 255, 0.25) !important;
    border-color: rgba(255, 255, 255, 0.8) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.nav-link-external i {
    font-size: 0.9em;
}