* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

img {
    max-width: 100%;
}

a {
    text-decoration: none;
}

.main-header {

    position: sticky;
    top: 0;
    z-index: 1000;

    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);

    border-bottom: 1px solid #e5e7eb;

}

body {
    padding-top: 65px;
}

.top-nav {

    max-width: 1200px;
    margin: 0 auto;

    height: 64px;

    padding: 0 18px;

    display: flex;
    align-items: center;

    gap: 14px;

}

.brand {
    flex-shrink: 0;
}

.site-logo {
    height: 34px;
}

.search-wrap {
    flex: 1;
    display: flex;
    justify-content: center;
}

.search-form {
    width: 100%;
    max-width: 520px;
}

.search-form input {

    width: 100%;
    height: 38px;

    padding: 0 14px;

    border: 1px solid #d1d5db;
    border-radius: 10px;

    font-size: 0.95rem;

    outline: none;

}

.search-form input:focus {
    border-color: #111827;
}

.header-actions {

    display: flex;
    align-items: center;
    gap: 10px;

    flex-shrink: 0;

}

.nav-link {

    color: #4b5563;
    font-size: 0.92rem;
    font-weight: 500;

    padding: 8px 10px;
    border-radius: 8px;

    transition: 0.15s ease;

}

.nav-link:hover {
    background: #f3f4f6;
    color: #111827;
}

.active-nav {

    background: #111827;
    color: #fff !important;

}

.signup-btn {

    padding: 8px 12px;

    border-radius: 10px;

    background: #111827;
    color: white;

    font-size: 0.9rem;

}

.user-pill {

    display: flex;
    align-items: center;
    gap: 8px;

    padding: 4px 10px;

    border-radius: 999px;

    background: #f3f4f6;

}

.user-pill img {

    width: 30px;
    height: 30px;

    border-radius: 20%;
    object-fit: cover;

}

.user-pill span {

    max-width: 130px;

    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;

    font-size: 0.9rem;
    color: #111827;

}

.menu-dropdown {
    position: relative;
}

.menu-toggle {

    width: 40px;
    height: 40px;

    border: none;
    border-radius: 10px;

    background: #f3f4f6;

    cursor: pointer;

    font-size: 1.2rem;

}

.menu-toggle:hover {
    background: #e5e7eb;
}

.dropdown-menu {

    position: absolute;
    top: 48px;
    right: 0;

    width: 180px;

    background: #fff;

    border: 1px solid #e5e7eb;
    border-radius: 12px;

    overflow: hidden;

    display: none;

    box-shadow: 0 12px 30px rgba(0,0,0,0.12);

}

.dropdown-menu.show {
    display: block;
}

.dropdown-menu a {

    display: block;

    padding: 12px 14px;

    color: #374151;
    font-size: 0.95rem;

}

.dropdown-menu a:hover {
    background: #f3f4f6;
}

@media (max-width: 768px) {

    body {
        padding-top: 110px;
    }

    .top-nav {

        flex-wrap: wrap;
        height: auto;

        padding: 10px;

        gap: 10px;

    }

    .search-wrap {
        order: 3;
        width: 100%;
    }

    .search-form {
        max-width: none;
    }

    .user-pill span {
        display: none;
    }

}