/* ============================================
   唯璐招聘系统 — 导航栏样式
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
    background: rgba(255, 255, 255, 0.95);
}

/* ---- 内部容器 ---- */
.navbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ---- Logo ---- */
.navbar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    flex-shrink: 0;
    transition: var(--transition);
}

.navbar-logo:hover {
    color: var(--text);
    opacity: 0.85;
}

.navbar-logo img,
.navbar-logo svg {
    height: 32px;
    width: auto;
    flex-shrink: 0;
}

/* ---- 导航链接 ---- */
.navbar-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar-nav li {
    list-style: none;
}

.navbar-nav a {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
}

.navbar-nav a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
    transition: all 0.25s ease;
    transform: translateX(-50%);
}

.navbar-nav a:hover {
    color: var(--primary);
    background: var(--primary-bg);
}

.navbar-nav a:hover::after {
    width: 24px;
}

.navbar-nav a.active {
    color: var(--primary);
    background: var(--primary-bg);
    font-weight: 600;
}

.navbar-nav a.active::after {
    width: 24px;
}

/* ---- 右侧操作区 ---- */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* ---- 汉堡菜单按钮 ---- */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    border: none;
    background: none;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
    transform-origin: center;
}

/* 汉堡动画：打开状态 */
.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

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

    .navbar-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--surface);
        flex-direction: column;
        padding: 12px 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        gap: 2px;
    }

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

    .navbar-nav a {
        width: 100%;
        padding: 14px 16px;
        font-size: 1rem;
        border-radius: var(--radius-sm);
    }

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

    .navbar-actions .btn-outline {
        display: none;
    }
}

@media (max-width: 480px) {
    .navbar-inner {
        padding: 0 16px;
    }

    .navbar-logo {
        font-size: 1.125rem;
    }

    .navbar-logo img,
    .navbar-logo svg {
        height: 28px;
    }
}